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<?php
namespace libphonenumber;
/**
* Utility for international phone numbers. Functionality includes formatting, parsing and
* validation.
*
* <p>If you use this library, and want to be notified about important changes, please sign up to
* our <a href="http://groups.google.com/group/libphonenumber-discuss/about">mailing list</a>.
*
* NOTE: A lot of methods in this class require Region Code strings. These must be provided using
* ISO 3166-1 two-letter country-code format. These should be in upper-case. The list of the codes
* can be found here:
* http://www.iso.org/iso/country_codes/iso_3166_code_lists/country_names_and_code_elements.htm
*
* @author Shaopeng Jia
* @author Lara Rennie
* @see https://code.google.com/p/libphonenumber/
*/
class PhoneNumberUtil
{
/** Flags to use when compiling regular expressions for phone numbers */
const REGEX_FLAGS = 'ui'; //Unicode and case insensitive
// The minimum and maximum length of the national significant number.
const MIN_LENGTH_FOR_NSN = 2;
// The ITU says the maximum length should be 15, but we have found longer numbers in Germany.
const MAX_LENGTH_FOR_NSN = 17;
// We don't allow input strings for parsing to be longer than 250 chars. This prevents malicious
// input from overflowing the regular-expression engine.
const MAX_INPUT_STRING_LENGTH = 250;
// The maximum length of the country calling code.
const MAX_LENGTH_COUNTRY_CODE = 3;
const REGION_CODE_FOR_NON_GEO_ENTITY = "001";
const META_DATA_FILE_PREFIX = 'PhoneNumberMetadata';
const TEST_META_DATA_FILE_PREFIX = 'PhoneNumberMetadataForTesting';
// Region-code for the unknown region.
const UNKNOWN_REGION = "ZZ";
const NANPA_COUNTRY_CODE = 1;
/*
* The prefix that needs to be inserted in front of a Colombian landline number when dialed from
* a mobile number in Colombia.
*/
const COLOMBIA_MOBILE_TO_FIXED_LINE_PREFIX = "3";
// The PLUS_SIGN signifies the international prefix.
const PLUS_SIGN = '+';
const PLUS_CHARS = '++';
const STAR_SIGN = '*';
const RFC3966_EXTN_PREFIX = ";ext=";
const RFC3966_PREFIX = "tel:";
const RFC3966_PHONE_CONTEXT = ";phone-context=";
const RFC3966_ISDN_SUBADDRESS = ";isub=";
// We use this pattern to check if the phone number has at least three letters in it - if so, then
// we treat it as a number where some phone-number digits are represented by letters.
const VALID_ALPHA_PHONE_PATTERN = "(?:.*?[A-Za-z]){3}.*";
// We accept alpha characters in phone numbers, ASCII only, upper and lower case.
const VALID_ALPHA = "A-Za-z";
// Default extension prefix to use when formatting. This will be put in front of any extension
// component of the number, after the main national number is formatted. For example, if you wish
// the default extension formatting to be " extn: 3456", then you should specify " extn: " here
// as the default extension prefix. This can be overridden by region-specific preferences.
const DEFAULT_EXTN_PREFIX = " ext. ";
// Regular expression of acceptable punctuation found in phone numbers. This excludes punctuation
// found as a leading character only.
// This consists of dash characters, white space characters, full stops, slashes,
// square brackets, parentheses and tildes. It also includes the letter 'x' as that is found as a
// placeholder for carrier information in some phone numbers. Full-width variants are also
// present.
const VALID_PUNCTUATION = "-x\xE2\x80\x90-\xE2\x80\x95\xE2\x88\x92\xE3\x83\xBC\xEF\xBC\x8D-\xEF\xBC\x8F \xC2\xA0\xC2\xAD\xE2\x80\x8B\xE2\x81\xA0\xE3\x80\x80()\xEF\xBC\x88\xEF\xBC\x89\xEF\xBC\xBB\xEF\xBC\xBD.\\[\\]/~\xE2\x81\x93\xE2\x88\xBC";
const DIGITS = "\\p{Nd}";
// Pattern that makes it easy to distinguish whether a region has a unique international dialing
// prefix or not. If a region has a unique international prefix (e.g. 011 in USA), it will be
// represented as a string that contains a sequence of ASCII digits. If there are multiple
// available international prefixes in a region, they will be represented as a regex string that
// always contains character(s) other than ASCII digits.
// Note this regex also includes tilde, which signals waiting for the tone.
const UNIQUE_INTERNATIONAL_PREFIX = "[\\d]+(?:[~\xE2\x81\x93\xE2\x88\xBC\xEF\xBD\x9E][\\d]+)?";
const NON_DIGITS_PATTERN = "(\\D+)";
// The FIRST_GROUP_PATTERN was originally set to $1 but there are some countries for which the
// first group is not used in the national pattern (e.g. Argentina) so the $1 group does not match
// correctly. Therefore, we use \d, so that the first group actually used in the pattern will be
// matched.
const FIRST_GROUP_PATTERN = "(\\$\\d)";
const NP_PATTERN = '\\$NP';
const FG_PATTERN = '\\$FG';
const CC_PATTERN = '\\$CC';
// A pattern that is used to determine if the national prefix formatting rule has the first group
// only, i.e., does not start with the national prefix. Note that the pattern explicitly allows
// for unbalanced parentheses.
const FIRST_GROUP_ONLY_PREFIX_PATTERN = '\\(?\\$1\\)?';
public static $PLUS_CHARS_PATTERN;
protected static $SEPARATOR_PATTERN;
protected static $CAPTURING_DIGIT_PATTERN;
protected static $VALID_START_CHAR_PATTERN = null;
protected static $SECOND_NUMBER_START_PATTERN = "[\\\\/] *x";
protected static $UNWANTED_END_CHAR_PATTERN = "[[\\P{N}&&\\P{L}]&&[^#]]+$";
protected static $DIALLABLE_CHAR_MAPPINGS = array();
protected static $CAPTURING_EXTN_DIGITS;
/**
* @var PhoneNumberUtil
*/
protected static $instance = null;
/**
* Only upper-case variants of alpha characters are stored.
* @var array
*/
protected static $ALPHA_MAPPINGS = array(
'A' => '2',
'B' => '2',
'C' => '2',
'D' => '3',
'E' => '3',
'F' => '3',
'G' => '4',
'H' => '4',
'I' => '4',
'J' => '5',
'K' => '5',
'L' => '5',
'M' => '6',
'N' => '6',
'O' => '6',
'P' => '7',
'Q' => '7',
'R' => '7',
'S' => '7',
'T' => '8',
'U' => '8',
'V' => '8',
'W' => '9',
'X' => '9',
'Y' => '9',
'Z' => '9',
);
/**
* Map of country calling codes that use a mobile token before the area code. One example of when
* this is relevant is when determining the length of the national destination code, which should
* be the length of the area code plus the length of the mobile token.
* @var array
*/
protected static $MOBILE_TOKEN_MAPPINGS = array();
/**
* Set of country codes that have geographically assigned mobile numbers (see GEO_MOBILE_COUNTRIES
* below) which are not based on *area codes*. For example, in China mobile numbers start with a
* carrier indicator, and beyond that are geographically assigned: this carrier indicator is not
* considered to be an area code.
*
* @var array
*/
protected static $GEO_MOBILE_COUNTRIES_WITHOUT_MOBILE_AREA_CODES;
/**
* Set of country calling codes that have geographically assigned mobile numbers. This may not be
* complete; we add calling codes case by case, as we find geographical mobile numbers or hear
* from user reports. Note that countries like the US, where we can't distinguish between
* fixed-line or mobile numbers, are not listed here, since we consider FIXED_LINE_OR_MOBILE to be
* a possibly geographically-related type anyway (like FIXED_LINE).
*
* @var array
*/
protected static $GEO_MOBILE_COUNTRIES;
/**
* For performance reasons, amalgamate both into one map.
* @var array
*/
protected static $ALPHA_PHONE_MAPPINGS = null;
/**
* Separate map of all symbols that we wish to retain when formatting alpha numbers. This
* includes digits, ASCII letters and number grouping symbols such as "-" and " ".
* @var array
*/
protected static $ALL_PLUS_NUMBER_GROUPING_SYMBOLS;
/**
* Simple ASCII digits map used to populate ALPHA_PHONE_MAPPINGS and
* ALL_PLUS_NUMBER_GROUPING_SYMBOLS.
* @var array
*/
protected static $asciiDigitMappings = array(
'0' => '0',
'1' => '1',
'2' => '2',
'3' => '3',
'4' => '4',
'5' => '5',
'6' => '6',
'7' => '7',
'8' => '8',
'9' => '9',
);
/**
* Regexp of all possible ways to write extensions, for use when parsing. This will be run as a
* case-insensitive regexp match. Wide character versions are also provided after each ASCII
* version.
* @var String
*/
protected static $EXTN_PATTERNS_FOR_PARSING;
protected static $EXTN_PATTERN = null;
protected static $VALID_PHONE_NUMBER_PATTERN;
protected static $MIN_LENGTH_PHONE_NUMBER_PATTERN;
/**
* Regular expression of viable phone numbers. This is location independent. Checks we have at
* least three leading digits, and only valid punctuation, alpha characters and
* digits in the phone number. Does not include extension data.
* The symbol 'x' is allowed here as valid punctuation since it is often used as a placeholder for
* carrier codes, for example in Brazilian phone numbers. We also allow multiple "+" characters at
* the start.
* Corresponds to the following:
* [digits]{minLengthNsn}|
* plus_sign*(([punctuation]|[star])*[digits]){3,}([punctuation]|[star]|[digits]|[alpha])*
*
* The first reg-ex is to allow short numbers (two digits long) to be parsed if they are entered
* as "15" etc, but only if there is no punctuation in them. The second expression restricts the
* number of digits to three or more, but then allows them to be in international form, and to
* have alpha-characters and punctuation.
*
* Note VALID_PUNCTUATION starts with a -, so must be the first in the range.
* @var string
*/
protected static $VALID_PHONE_NUMBER;
protected static $numericCharacters = array(
"\xef\xbc\x90" => 0,
"\xef\xbc\x91" => 1,
"\xef\xbc\x92" => 2,
"\xef\xbc\x93" => 3,
"\xef\xbc\x94" => 4,
"\xef\xbc\x95" => 5,
"\xef\xbc\x96" => 6,
"\xef\xbc\x97" => 7,
"\xef\xbc\x98" => 8,
"\xef\xbc\x99" => 9,
"\xd9\xa0" => 0,
"\xd9\xa1" => 1,
"\xd9\xa2" => 2,
"\xd9\xa3" => 3,
"\xd9\xa4" => 4,
"\xd9\xa5" => 5,
"\xd9\xa6" => 6,
"\xd9\xa7" => 7,
"\xd9\xa8" => 8,
"\xd9\xa9" => 9,
"\xdb\xb0" => 0,
"\xdb\xb1" => 1,
"\xdb\xb2" => 2,
"\xdb\xb3" => 3,
"\xdb\xb4" => 4,
"\xdb\xb5" => 5,
"\xdb\xb6" => 6,
"\xdb\xb7" => 7,
"\xdb\xb8" => 8,
"\xdb\xb9" => 9,
"\xe1\xa0\x90" => 0,
"\xe1\xa0\x91" => 1,
"\xe1\xa0\x92" => 2,
"\xe1\xa0\x93" => 3,
"\xe1\xa0\x94" => 4,
"\xe1\xa0\x95" => 5,
"\xe1\xa0\x96" => 6,
"\xe1\xa0\x97" => 7,
"\xe1\xa0\x98" => 8,
"\xe1\xa0\x99" => 9,
);
/**
* The set of county calling codes that map to the non-geo entity region ("001").
* @var array
*/
protected $countryCodesForNonGeographicalRegion = array();
/**
* The set of regions the library supports.
* @var array
*/
protected $supportedRegions = array();
/**
* A mapping from a country calling code to the region codes which denote the region represented
* by that country calling code. In the case of multiple regions sharing a calling code, such as
* the NANPA regions, the one indicated with "isMainCountryForCode" in the metadata should be
* first.
* @var array
*/
protected $countryCallingCodeToRegionCodeMap = array();
/**
* The set of regions that share country calling code 1.
* @var array
*/
protected $nanpaRegions = array();
/**
* @var MetadataSourceInterface
*/
protected $metadataSource;
/**
* This class implements a singleton, so the only constructor is protected.
* @param MetadataSourceInterface $metadataSource
* @param $countryCallingCodeToRegionCodeMap
*/
protected function __construct(MetadataSourceInterface $metadataSource, $countryCallingCodeToRegionCodeMap)
{
$this->metadataSource = $metadataSource;
$this->countryCallingCodeToRegionCodeMap = $countryCallingCodeToRegionCodeMap;
$this->init();
static::initCapturingExtnDigits();
static::initExtnPatterns();
static::initExtnPattern();
static::$PLUS_CHARS_PATTERN = "[" . static::PLUS_CHARS . "]+";
static::$SEPARATOR_PATTERN = "[" . static::VALID_PUNCTUATION . "]+";
static::$CAPTURING_DIGIT_PATTERN = "(" . static::DIGITS . ")";
static::initValidStartCharPattern();
static::initAlphaPhoneMappings();
static::initDiallableCharMappings();
static::$ALL_PLUS_NUMBER_GROUPING_SYMBOLS = array();
// Put (lower letter -> upper letter) and (upper letter -> upper letter) mappings.
foreach (static::$ALPHA_MAPPINGS as $c => $value) {
static::$ALL_PLUS_NUMBER_GROUPING_SYMBOLS[strtolower($c)] = $c;
static::$ALL_PLUS_NUMBER_GROUPING_SYMBOLS[$c] = $c;
}
static::$ALL_PLUS_NUMBER_GROUPING_SYMBOLS += static::$asciiDigitMappings;
static::$ALL_PLUS_NUMBER_GROUPING_SYMBOLS["-"] = '-';
static::$ALL_PLUS_NUMBER_GROUPING_SYMBOLS["\xEF\xBC\x8D"] = '-';
static::$ALL_PLUS_NUMBER_GROUPING_SYMBOLS["\xE2\x80\x90"] = '-';
static::$ALL_PLUS_NUMBER_GROUPING_SYMBOLS["\xE2\x80\x91"] = '-';
static::$ALL_PLUS_NUMBER_GROUPING_SYMBOLS["\xE2\x80\x92"] = '-';
static::$ALL_PLUS_NUMBER_GROUPING_SYMBOLS["\xE2\x80\x93"] = '-';
static::$ALL_PLUS_NUMBER_GROUPING_SYMBOLS["\xE2\x80\x94"] = '-';
static::$ALL_PLUS_NUMBER_GROUPING_SYMBOLS["\xE2\x80\x95"] = '-';
static::$ALL_PLUS_NUMBER_GROUPING_SYMBOLS["\xE2\x88\x92"] = '-';
static::$ALL_PLUS_NUMBER_GROUPING_SYMBOLS["/"] = "/";
static::$ALL_PLUS_NUMBER_GROUPING_SYMBOLS["\xEF\xBC\x8F"] = "/";
static::$ALL_PLUS_NUMBER_GROUPING_SYMBOLS[" "] = " ";
static::$ALL_PLUS_NUMBER_GROUPING_SYMBOLS["\xE3\x80\x80"] = " ";
static::$ALL_PLUS_NUMBER_GROUPING_SYMBOLS["\xE2\x81\xA0"] = " ";
static::$ALL_PLUS_NUMBER_GROUPING_SYMBOLS["."] = ".";
static::$ALL_PLUS_NUMBER_GROUPING_SYMBOLS["\xEF\xBC\x8E"] = ".";
static::$MIN_LENGTH_PHONE_NUMBER_PATTERN = "[" . static::DIGITS . "]{" . static::MIN_LENGTH_FOR_NSN . "}";
static::$VALID_PHONE_NUMBER = "[" . static::PLUS_CHARS . "]*(?:[" . static::VALID_PUNCTUATION . static::STAR_SIGN . "]*[" . static::DIGITS . "]){3,}[" . static::VALID_PUNCTUATION . static::STAR_SIGN . static::VALID_ALPHA . static::DIGITS . "]*";
static::$VALID_PHONE_NUMBER_PATTERN = "%^" . static::$MIN_LENGTH_PHONE_NUMBER_PATTERN . "$|^" . static::$VALID_PHONE_NUMBER . "(?:" . static::$EXTN_PATTERNS_FOR_PARSING . ")?$%" . static::REGEX_FLAGS;
static::$UNWANTED_END_CHAR_PATTERN = "[^" . static::DIGITS . static::VALID_ALPHA . "#]+$";
static::initMobileTokenMappings();
static::$GEO_MOBILE_COUNTRIES_WITHOUT_MOBILE_AREA_CODES = array();
static::$GEO_MOBILE_COUNTRIES_WITHOUT_MOBILE_AREA_CODES[] = 86; // China
static::$GEO_MOBILE_COUNTRIES = array();
static::$GEO_MOBILE_COUNTRIES[] = 52; // Mexico
static::$GEO_MOBILE_COUNTRIES[] = 54; // Argentina
static::$GEO_MOBILE_COUNTRIES[] = 55; // Brazil
static::$GEO_MOBILE_COUNTRIES[] = 62; // Indonesia: some prefixes only (fixed CMDA wireless)
static::$GEO_MOBILE_COUNTRIES = array_merge(static::$GEO_MOBILE_COUNTRIES, static::$GEO_MOBILE_COUNTRIES_WITHOUT_MOBILE_AREA_CODES);
}
/**
* Gets a {@link PhoneNumberUtil} instance to carry out international phone number formatting,
* parsing, or validation. The instance is loaded with phone number metadata for a number of most
* commonly used regions.
*
* <p>The {@link PhoneNumberUtil} is implemented as a singleton. Therefore, calling getInstance
* multiple times will only result in one instance being created.
*
* @param string $baseFileLocation
* @param array|null $countryCallingCodeToRegionCodeMap
* @param MetadataLoaderInterface|null $metadataLoader
* @param MetadataSourceInterface|null $metadataSource
* @return PhoneNumberUtil instance
*/
public static function getInstance($baseFileLocation = self::META_DATA_FILE_PREFIX, array $countryCallingCodeToRegionCodeMap = null, MetadataLoaderInterface $metadataLoader = null, MetadataSourceInterface $metadataSource = null)
{
if (static::$instance === null) {
if ($countryCallingCodeToRegionCodeMap === null) {
$countryCallingCodeToRegionCodeMap = CountryCodeToRegionCodeMap::$countryCodeToRegionCodeMap;
}
if ($metadataLoader === null) {
$metadataLoader = new DefaultMetadataLoader();
}
if ($metadataSource === null) {
$metadataSource = new MultiFileMetadataSourceImpl($metadataLoader, __DIR__ . '/data/' . $baseFileLocation);
}
static::$instance = new static($metadataSource, $countryCallingCodeToRegionCodeMap);
}
return static::$instance;
}
protected function init()
{
foreach ($this->countryCallingCodeToRegionCodeMap as $countryCode => $regionCodes) {
// We can assume that if the country calling code maps to the non-geo entity region code then
// that's the only region code it maps to.
if (count($regionCodes) == 1 && static::REGION_CODE_FOR_NON_GEO_ENTITY === $regionCodes[0]) {
// This is the subset of all country codes that map to the non-geo entity region code.
$this->countryCodesForNonGeographicalRegion[] = $countryCode;
} else {
// The supported regions set does not include the "001" non-geo entity region code.
$this->supportedRegions = array_merge($this->supportedRegions, $regionCodes);
}
}
// If the non-geo entity still got added to the set of supported regions it must be because
// there are entries that list the non-geo entity alongside normal regions (which is wrong).
// If we discover this, remove the non-geo entity from the set of supported regions and log.
$idx_region_code_non_geo_entity = array_search(static::REGION_CODE_FOR_NON_GEO_ENTITY, $this->supportedRegions);
if ($idx_region_code_non_geo_entity !== false) {
unset($this->supportedRegions[$idx_region_code_non_geo_entity]);
}
$this->nanpaRegions = $this->countryCallingCodeToRegionCodeMap[static::NANPA_COUNTRY_CODE];
}
protected static function initCapturingExtnDigits()
{
static::$CAPTURING_EXTN_DIGITS = "(" . static::DIGITS . "{1,7})";
}
protected static function initExtnPatterns()
{
// One-character symbols that can be used to indicate an extension.
$singleExtnSymbolsForMatching = "x\xEF\xBD\x98#\xEF\xBC\x83~\xEF\xBD\x9E";
// For parsing, we are slightly more lenient in our interpretation than for matching. Here we
// allow "comma" and "semicolon" as possible extension indicators. When matching, these are
// hardly ever used to indicate this.
$singleExtnSymbolsForParsing = ",;" . $singleExtnSymbolsForMatching;
static::$EXTN_PATTERNS_FOR_PARSING = static::createExtnPattern($singleExtnSymbolsForParsing);
}
// The FIRST_GROUP_PATTERN was originally set to $1 but there are some countries for which the
// first group is not used in the national pattern (e.g. Argentina) so the $1 group does not match
// correctly. Therefore, we use \d, so that the first group actually used in the pattern will be
// matched.
/**
* Helper initialiser method to create the regular-expression pattern to match extensions,
* allowing the one-char extension symbols provided by {@code singleExtnSymbols}.
* @param string $singleExtnSymbols
* @return string
*/
protected static function createExtnPattern($singleExtnSymbols)
{
// There are three regular expressions here. The first covers RFC 3966 format, where the
// extension is added using ";ext=". The second more generic one starts with optional white
// space and ends with an optional full stop (.), followed by zero or more spaces/tabs/commas
// and then the numbers themselves. The other one covers the special case of American numbers
// where the extension is written with a hash at the end, such as "- 503#"
// Note that the only capturing groups should be around the digits that you want to capture as
// part of the extension, or else parsing will fail!
// Canonical-equivalence doesn't seem to be an option with Android java, so we allow two options
// for representing the accented o - the character itself, and one in the unicode decomposed
// form with the combining acute accent.
return (static::RFC3966_EXTN_PREFIX . static::$CAPTURING_EXTN_DIGITS . "|" . "[ \xC2\xA0\\t,]*" .
"(?:e?xt(?:ensi(?:o\xCC\x81?|\xC3\xB3))?n?|(?:\xEF\xBD\x85)?\xEF\xBD\x98\xEF\xBD\x94(?:\xEF\xBD\x8E)?|" .
"[" . $singleExtnSymbols . "]|int|\xEF\xBD\x89\xEF\xBD\x8E\xEF\xBD\x94|anexo)" .
"[:\\.\xEF\xBC\x8E]?[ \xC2\xA0\\t,-]*" . static::$CAPTURING_EXTN_DIGITS . "#?|" .
"[- ]+(" . static::DIGITS . "{1,5})#");
}
protected static function initExtnPattern()
{
static::$EXTN_PATTERN = "/(?:" . static::$EXTN_PATTERNS_FOR_PARSING . ")$/" . static::REGEX_FLAGS;
}
protected static function initAlphaPhoneMappings()
{
static::$ALPHA_PHONE_MAPPINGS = static::$ALPHA_MAPPINGS + static::$asciiDigitMappings;
}
protected static function initValidStartCharPattern()
{
static::$VALID_START_CHAR_PATTERN = "[" . static::PLUS_CHARS . static::DIGITS . "]";
}
protected static function initMobileTokenMappings()
{
static::$MOBILE_TOKEN_MAPPINGS = array();
static::$MOBILE_TOKEN_MAPPINGS['52'] = "1";
static::$MOBILE_TOKEN_MAPPINGS['54'] = "9";
}
protected static function initDiallableCharMappings()
{
static::$DIALLABLE_CHAR_MAPPINGS = static::$asciiDigitMappings;
static::$DIALLABLE_CHAR_MAPPINGS[static::PLUS_SIGN] = static::PLUS_SIGN;
static::$DIALLABLE_CHAR_MAPPINGS['*'] = '*';
static::$DIALLABLE_CHAR_MAPPINGS['#'] = '#';
}
/**
* Used for testing purposes only to reset the PhoneNumberUtil singleton to null.
*/
public static function resetInstance()
{
static::$instance = null;
}
/**
* Converts all alpha characters in a number to their respective digits on a keypad, but retains
* existing formatting.
* @param string $number
* @return string
*/
public static function convertAlphaCharactersInNumber($number)
{
if (static::$ALPHA_PHONE_MAPPINGS === null) {
static::initAlphaPhoneMappings();
}
return static::normalizeHelper($number, static::$ALPHA_PHONE_MAPPINGS, false);
}
/**
* Normalizes a string of characters representing a phone number by replacing all characters found
* in the accompanying map with the values therein, and stripping all other characters if
* removeNonMatches is true.
*
* @param string $number a string of characters representing a phone number
* @param array $normalizationReplacements a mapping of characters to what they should be replaced by in
* the normalized version of the phone number
* @param bool $removeNonMatches indicates whether characters that are not able to be replaced
* should be stripped from the number. If this is false, they will be left unchanged in the number.
* @return string the normalized string version of the phone number
*/
protected static function normalizeHelper($number, array $normalizationReplacements, $removeNonMatches)
{
$normalizedNumber = "";
$strLength = mb_strlen($number, 'UTF-8');
for ($i = 0; $i < $strLength; $i++) {
$character = mb_substr($number, $i, 1, 'UTF-8');
if (isset($normalizationReplacements[mb_strtoupper($character, 'UTF-8')])) {
$normalizedNumber .= $normalizationReplacements[mb_strtoupper($character, 'UTF-8')];
} else {
if (!$removeNonMatches) {
$normalizedNumber .= $character;
}
}
// If neither of the above are true, we remove this character.
}
return $normalizedNumber;
}
/**
* Helper function to check if the national prefix formatting rule has the first group only, i.e.,
* does not start with the national prefix.
* @param string $nationalPrefixFormattingRule
* @return bool
*/
public static function formattingRuleHasFirstGroupOnly($nationalPrefixFormattingRule)
{
$m = preg_match(static::FIRST_GROUP_ONLY_PREFIX_PATTERN, $nationalPrefixFormattingRule);
return $m > 0;
}
/**
* Convenience method to get a list of what regions the library has metadata for.
* @return array
*/
public function getSupportedRegions()
{
return $this->supportedRegions;
}
/**
* Convenience method to get a list of what global network calling codes the library has metadata
* for.
* @return array
*/
public function getSupportedGlobalNetworkCallingCodes()
{
return $this->countryCodesForNonGeographicalRegion;
}
/**
* Gets the length of the geographical area code from the {@code nationalNumber} field of the
* PhoneNumber object passed in, so that clients could use it to split a national significant
* number into geographical area code and subscriber number. It works in such a way that the
* resultant subscriber number should be diallable, at least on some devices. An example of how
* this could be used:
*
* <code>
* $phoneUtil = PhoneNumberUtil::getInstance();
* $number = $phoneUtil->parse("16502530000", "US");
* $nationalSignificantNumber = $phoneUtil->getNationalSignificantNumber($number);
*
* $areaCodeLength = $phoneUtil->getLengthOfGeographicalAreaCode($number);
* if ($areaCodeLength > 0)
* {
* $areaCode = substr($nationalSignificantNumber, 0,$areaCodeLength);
* $subscriberNumber = substr($nationalSignificantNumber, $areaCodeLength);
* } else {
* $areaCode = "";
* $subscriberNumber = $nationalSignificantNumber;
* }
* </code>
*
* N.B.: area code is a very ambiguous concept, so the I18N team generally recommends against
* using it for most purposes, but recommends using the more general {@code nationalNumber}
* instead. Read the following carefully before deciding to use this method:
* <ul>
* <li> geographical area codes change over time, and this method honors those changes;
* therefore, it doesn't guarantee the stability of the result it produces.
* <li> subscriber numbers may not be diallable from all devices (notably mobile devices, which
* typically requires the full national_number to be dialled in most regions).
* <li> most non-geographical numbers have no area codes, including numbers from non-geographical
* entities
* <li> some geographical numbers have no area codes.
* </ul>
* @param PhoneNumber $number PhoneNumber object for which clients want to know the length of the area code.
* @return int the length of area code of the PhoneNumber object passed in.
*/
public function getLengthOfGeographicalAreaCode(PhoneNumber $number)
{
$metadata = $this->getMetadataForRegion($this->getRegionCodeForNumber($number));
if ($metadata === null) {
return 0;
}
// If a country doesn't use a national prefix, and this number doesn't have an Italian leading
// zero, we assume it is a closed dialling plan with no area codes.
if (!$metadata->hasNationalPrefix() && !$number->isItalianLeadingZero()) {
return 0;
}
$type = $this->getNumberType($number);
$countryCallingCode = $number->getCountryCode();
if ($type === PhoneNumberType::MOBILE
// Note this is a rough heuristic; it doesn't cover Indonesia well, for example, where area
// codes are present for some mobile phones but not for others. We have no better way of
// representing this in the metadata at this point.
&& in_array($countryCallingCode, self::$GEO_MOBILE_COUNTRIES_WITHOUT_MOBILE_AREA_CODES)
) {
return 0;
}
if (!$this->isNumberGeographical($type, $countryCallingCode)) {
return 0;
}
return $this->getLengthOfNationalDestinationCode($number);
}
/**
* Returns the metadata for the given region code or {@code null} if the region code is invalid
* or unknown.
* @param string $regionCode
* @return PhoneMetadata
*/
public function getMetadataForRegion($regionCode)
{
if (!$this->isValidRegionCode($regionCode)) {
return null;
}
return $this->metadataSource->getMetadataForRegion($regionCode);
}
/**
* Helper function to check region code is not unknown or null.
* @param string $regionCode
* @return bool
*/
protected function isValidRegionCode($regionCode)
{
return $regionCode !== null && in_array($regionCode, $this->supportedRegions);
}
/**
* Returns the region where a phone number is from. This could be used for geocoding at the region
* level.
*
* @param PhoneNumber $number the phone number whose origin we want to know
* @return null|string the region where the phone number is from, or null if no region matches this calling
* code
*/
public function getRegionCodeForNumber(PhoneNumber $number)
{
$countryCode = $number->getCountryCode();
if (!isset($this->countryCallingCodeToRegionCodeMap[$countryCode])) {
return null;
}
$regions = $this->countryCallingCodeToRegionCodeMap[$countryCode];
if (count($regions) == 1) {
return $regions[0];
} else {
return $this->getRegionCodeForNumberFromRegionList($number, $regions);
}
}
/**
* @param PhoneNumber $number
* @param array $regionCodes
* @return null|string
*/
protected function getRegionCodeForNumberFromRegionList(PhoneNumber $number, array $regionCodes)
{
$nationalNumber = $this->getNationalSignificantNumber($number);
foreach ($regionCodes as $regionCode) {
// If leadingDigits is present, use this. Otherwise, do full validation.
// Metadata cannot be null because the region codes come from the country calling code map.
$metadata = $this->getMetadataForRegion($regionCode);
if ($metadata->hasLeadingDigits()) {
$nbMatches = preg_match(
'/' . $metadata->getLeadingDigits() . '/',
$nationalNumber,
$matches,
PREG_OFFSET_CAPTURE
);
if ($nbMatches > 0 && $matches[0][1] === 0) {
return $regionCode;
}
} elseif ($this->getNumberTypeHelper($nationalNumber, $metadata) != PhoneNumberType::UNKNOWN) {
return $regionCode;
}
}
return null;
}
/**
* Gets the national significant number of the a phone number. Note a national significant number
* doesn't contain a national prefix or any formatting.
*
* @param PhoneNumber $number the phone number for which the national significant number is needed
* @return string the national significant number of the PhoneNumber object passed in
*/
public function getNationalSignificantNumber(PhoneNumber $number)
{
// If leading zero(s) have been set, we prefix this now. Note this is not a national prefix.
$nationalNumber = '';
if ($number->isItalianLeadingZero()) {
$zeros = str_repeat('0', $number->getNumberOfLeadingZeros());
$nationalNumber .= $zeros;
}
$nationalNumber .= $number->getNationalNumber();
return $nationalNumber;
}
/**
* @param string $nationalNumber
* @param PhoneMetadata $metadata
* @return int PhoneNumberType constant
*/
protected function getNumberTypeHelper($nationalNumber, PhoneMetadata $metadata)
{
if (!$this->isNumberMatchingDesc($nationalNumber, $metadata->getGeneralDesc())) {
return PhoneNumberType::UNKNOWN;
}
if ($this->isNumberMatchingDesc($nationalNumber, $metadata->getPremiumRate())) {
return PhoneNumberType::PREMIUM_RATE;
}
if ($this->isNumberMatchingDesc($nationalNumber, $metadata->getTollFree())) {
return PhoneNumberType::TOLL_FREE;
}
if ($this->isNumberMatchingDesc($nationalNumber, $metadata->getSharedCost())) {
return PhoneNumberType::SHARED_COST;
}
if ($this->isNumberMatchingDesc($nationalNumber, $metadata->getVoip())) {
return PhoneNumberType::VOIP;
}
if ($this->isNumberMatchingDesc($nationalNumber, $metadata->getPersonalNumber())) {
return PhoneNumberType::PERSONAL_NUMBER;
}
if ($this->isNumberMatchingDesc($nationalNumber, $metadata->getPager())) {
return PhoneNumberType::PAGER;
}
if ($this->isNumberMatchingDesc($nationalNumber, $metadata->getUan())) {
return PhoneNumberType::UAN;
}
if ($this->isNumberMatchingDesc($nationalNumber, $metadata->getVoicemail())) {
return PhoneNumberType::VOICEMAIL;
}
$isFixedLine = $this->isNumberMatchingDesc($nationalNumber, $metadata->getFixedLine());
if ($isFixedLine) {
if ($metadata->isSameMobileAndFixedLinePattern()) {
return PhoneNumberType::FIXED_LINE_OR_MOBILE;
} elseif ($this->isNumberMatchingDesc($nationalNumber, $metadata->getMobile())) {
return PhoneNumberType::FIXED_LINE_OR_MOBILE;
}
return PhoneNumberType::FIXED_LINE;
}
// Otherwise, test to see if the number is mobile. Only do this if certain that the patterns for
// mobile and fixed line aren't the same.
if (!$metadata->isSameMobileAndFixedLinePattern() &&
$this->isNumberMatchingDesc($nationalNumber, $metadata->getMobile())
) {
return PhoneNumberType::MOBILE;
}
return PhoneNumberType::UNKNOWN;
}
/**
* @param string $nationalNumber
* @param PhoneNumberDesc $numberDesc
* @return bool
*/
public function isNumberMatchingDesc($nationalNumber, PhoneNumberDesc $numberDesc)
{
// Check if any possible number lengths are present; if so, we use them to avoid checking the
// validation pattern if they don't match. If they are absent, this means they match the general
// description, which we have already checked before checking a specific number type.
$actualLength = mb_strlen($nationalNumber);
$possibleLengths = $numberDesc->getPossibleLength();
if (count($possibleLengths) > 0 && !in_array($actualLength, $possibleLengths)) {
return false;
}
$nationalNumberPatternMatcher = new Matcher($numberDesc->getNationalNumberPattern(), $nationalNumber);
return $nationalNumberPatternMatcher->matches();
}
/**
* isNumberGeographical(PhoneNumber)
*
* Tests whether a phone number has a geographical association. It checks if the number is
* associated to a certain region in the country where it belongs to. Note that this doesn't
* verify if the number is actually in use.
*
* isNumberGeographical(PhoneNumberType, $countryCallingCode)
*
* Tests whether a phone number has a geographical association, as represented by its type and the
* country it belongs to.
*
* This version exists since calculating the phone number type is expensive; if we have already
* done this, we don't want to do it again.
*
* @param PhoneNumber|int $phoneNumberObjOrType A PhoneNumber object, or a PhoneNumberType integer
* @param int|null $countryCallingCode Used when passing a PhoneNumberType
* @return bool
*/
public function isNumberGeographical($phoneNumberObjOrType, $countryCallingCode = null)
{
if ($phoneNumberObjOrType instanceof PhoneNumber) {
return $this->isNumberGeographical($this->getNumberType($phoneNumberObjOrType), $phoneNumberObjOrType->getCountryCode());
}
return $phoneNumberObjOrType == PhoneNumberType::FIXED_LINE
|| $phoneNumberObjOrType == PhoneNumberType::FIXED_LINE_OR_MOBILE
|| (in_array($countryCallingCode, static::$GEO_MOBILE_COUNTRIES)
&& $phoneNumberObjOrType == PhoneNumberType::MOBILE);
}
/**
* Gets the type of a phone number.
* @param PhoneNumber $number the number the phone number that we want to know the type
* @return int PhoneNumberType the type of the phone number
*/
public function getNumberType(PhoneNumber $number)
{
$regionCode = $this->getRegionCodeForNumber($number);
$metadata = $this->getMetadataForRegionOrCallingCode($number->getCountryCode(), $regionCode);
if ($metadata === null) {
return PhoneNumberType::UNKNOWN;
}
$nationalSignificantNumber = $this->getNationalSignificantNumber($number);
return $this->getNumberTypeHelper($nationalSignificantNumber, $metadata);
}
/**
* @param int $countryCallingCode
* @param string $regionCode
* @return PhoneMetadata
*/
protected function getMetadataForRegionOrCallingCode($countryCallingCode, $regionCode)
{
return static::REGION_CODE_FOR_NON_GEO_ENTITY === $regionCode ?
$this->getMetadataForNonGeographicalRegion($countryCallingCode) : $this->getMetadataForRegion($regionCode);
}
/**
* @param int $countryCallingCode
* @return PhoneMetadata
*/
public function getMetadataForNonGeographicalRegion($countryCallingCode)
{
if (!isset($this->countryCallingCodeToRegionCodeMap[$countryCallingCode])) {
return null;
}
return $this->metadataSource->getMetadataForNonGeographicalRegion($countryCallingCode);
}
/**
* Gets the length of the national destination code (NDC) from the PhoneNumber object passed in,
* so that clients could use it to split a national significant number into NDC and subscriber
* number. The NDC of a phone number is normally the first group of digit(s) right after the
* country calling code when the number is formatted in the international format, if there is a
* subscriber number part that follows. An example of how this could be used:
*
* <code>
* $phoneUtil = PhoneNumberUtil::getInstance();
* $number = $phoneUtil->parse("18002530000", "US");
* $nationalSignificantNumber = $phoneUtil->getNationalSignificantNumber($number);
*
* $nationalDestinationCodeLength = $phoneUtil->getLengthOfNationalDestinationCode($number);
* if ($nationalDestinationCodeLength > 0) {
* $nationalDestinationCode = substr($nationalSignificantNumber, 0, $nationalDestinationCodeLength);
* $subscriberNumber = substr($nationalSignificantNumber, $nationalDestinationCodeLength);
* } else {
* $nationalDestinationCode = "";
* $subscriberNumber = $nationalSignificantNumber;
* }
* </code>
*
* Refer to the unit tests to see the difference between this function and
* {@link #getLengthOfGeographicalAreaCode}.
*
* @param PhoneNumber $number the PhoneNumber object for which clients want to know the length of the NDC.
* @return int the length of NDC of the PhoneNumber object passed in.
*/
public function getLengthOfNationalDestinationCode(PhoneNumber $number)
{
if ($number->hasExtension()) {
// We don't want to alter the proto given to us, but we don't want to include the extension
// when we format it, so we copy it and clear the extension here.
$copiedProto = new PhoneNumber();
$copiedProto->mergeFrom($number);
$copiedProto->clearExtension();
} else {
$copiedProto = clone $number;
}
$nationalSignificantNumber = $this->format($copiedProto, PhoneNumberFormat::INTERNATIONAL);
$numberGroups = preg_split('/' . static::NON_DIGITS_PATTERN . '/', $nationalSignificantNumber);
// The pattern will start with "+COUNTRY_CODE " so the first group will always be the empty
// string (before the + symbol) and the second group will be the country calling code. The third
// group will be area code if it is not the last group.
if (count($numberGroups) <= 3) {
return 0;
}
if ($this->getNumberType($number) == PhoneNumberType::MOBILE) {
// For example Argentinian mobile numbers, when formatted in the international format, are in
// the form of +54 9 NDC XXXX.... As a result, we take the length of the third group (NDC) and
// add the length of the second group (which is the mobile token), which also forms part of
// the national significant number. This assumes that the mobile token is always formatted
// separately from the rest of the phone number.
$mobileToken = static::getCountryMobileToken($number->getCountryCode());
if ($mobileToken !== "") {
return mb_strlen($numberGroups[2]) + mb_strlen($numberGroups[3]);
}
}
return mb_strlen($numberGroups[2]);
}
/**
* Formats a phone number in the specified format using default rules. Note that this does not
* promise to produce a phone number that the user can dial from where they are - although we do
* format in either 'national' or 'international' format depending on what the client asks for, we
* do not currently support a more abbreviated format, such as for users in the same "area" who
* could potentially dial the number without area code. Note that if the phone number has a
* country calling code of 0 or an otherwise invalid country calling code, we cannot work out
* which formatting rules to apply so we return the national significant number with no formatting
* applied.
*
* @param PhoneNumber $number the phone number to be formatted
* @param int $numberFormat the PhoneNumberFormat the phone number should be formatted into
* @return string the formatted phone number
*/
public function format(PhoneNumber $number, $numberFormat)
{
if ($number->getNationalNumber() == 0 && $number->hasRawInput()) {
// Unparseable numbers that kept their raw input just use that.
// This is the only case where a number can be formatted as E164 without a
// leading '+' symbol (but the original number wasn't parseable anyway).
// TODO: Consider removing the 'if' above so that unparseable
// strings without raw input format to the empty string instead of "+00"
$rawInput = $number->getRawInput();
if (mb_strlen($rawInput) > 0) {
return $rawInput;
}
}
$metadata = null;
$formattedNumber = "";
$countryCallingCode = $number->getCountryCode();
$nationalSignificantNumber = $this->getNationalSignificantNumber($number);
if ($numberFormat == PhoneNumberFormat::E164) {
// Early exit for E164 case (even if the country calling code is invalid) since no formatting
// of the national number needs to be applied. Extensions are not formatted.
$formattedNumber .= $nationalSignificantNumber;
$this->prefixNumberWithCountryCallingCode($countryCallingCode, PhoneNumberFormat::E164, $formattedNumber);
} elseif (!$this->hasValidCountryCallingCode($countryCallingCode)) {
$formattedNumber .= $nationalSignificantNumber;
} else {
// Note getRegionCodeForCountryCode() is used because formatting information for regions which
// share a country calling code is contained by only one region for performance reasons. For
// example, for NANPA regions it will be contained in the metadata for US.
$regionCode = $this->getRegionCodeForCountryCode($countryCallingCode);
// Metadata cannot be null because the country calling code is valid (which means that the
// region code cannot be ZZ and must be one of our supported region codes).
$metadata = $this->getMetadataForRegionOrCallingCode($countryCallingCode, $regionCode);
$formattedNumber .= $this->formatNsn($nationalSignificantNumber, $metadata, $numberFormat);
$this->prefixNumberWithCountryCallingCode($countryCallingCode, $numberFormat, $formattedNumber);
}
$this->maybeAppendFormattedExtension($number, $metadata, $numberFormat, $formattedNumber);
return $formattedNumber;
}
/**
* A helper function that is used by format and formatByPattern.
* @param int $countryCallingCode
* @param int $numberFormat PhoneNumberFormat
* @param string $formattedNumber
*/
protected function prefixNumberWithCountryCallingCode($countryCallingCode, $numberFormat, &$formattedNumber)
{
switch ($numberFormat) {
case PhoneNumberFormat::E164:
$formattedNumber = static::PLUS_SIGN . $countryCallingCode . $formattedNumber;
return;
case PhoneNumberFormat::INTERNATIONAL:
$formattedNumber = static::PLUS_SIGN . $countryCallingCode . " " . $formattedNumber;
return;
case PhoneNumberFormat::RFC3966:
$formattedNumber = static::RFC3966_PREFIX . static::PLUS_SIGN . $countryCallingCode . "-" . $formattedNumber;
return;
case PhoneNumberFormat::NATIONAL:
default:
return;
}
}
/**
* Helper function to check the country calling code is valid.
* @param int $countryCallingCode
* @return bool
*/
protected function hasValidCountryCallingCode($countryCallingCode)
{
return isset($this->countryCallingCodeToRegionCodeMap[$countryCallingCode]);
}
/**
* Returns the region code that matches the specific country calling code. In the case of no
* region code being found, ZZ will be returned. In the case of multiple regions, the one
* designated in the metadata as the "main" region for this calling code will be returned. If the
* countryCallingCode entered is valid but doesn't match a specific region (such as in the case of
* non-geographical calling codes like 800) the value "001" will be returned (corresponding to
* the value for World in the UN M.49 schema).
*
* @param int $countryCallingCode
* @return string
*/
public function getRegionCodeForCountryCode($countryCallingCode)
{
$regionCodes = isset($this->countryCallingCodeToRegionCodeMap[$countryCallingCode]) ? $this->countryCallingCodeToRegionCodeMap[$countryCallingCode] : null;
return $regionCodes === null ? static::UNKNOWN_REGION : $regionCodes[0];
}
/**
* Note in some regions, the national number can be written in two completely different ways
* depending on whether it forms part of the NATIONAL format or INTERNATIONAL format. The
* numberFormat parameter here is used to specify which format to use for those cases. If a
* carrierCode is specified, this will be inserted into the formatted string to replace $CC.
* @param string $number
* @param PhoneMetadata $metadata
* @param int $numberFormat PhoneNumberFormat
* @param null|string $carrierCode
* @return string
*/
protected function formatNsn($number, PhoneMetadata $metadata, $numberFormat, $carrierCode = null)
{
$intlNumberFormats = $metadata->intlNumberFormats();
// When the intlNumberFormats exists, we use that to format national number for the
// INTERNATIONAL format instead of using the numberDesc.numberFormats.
$availableFormats = (count($intlNumberFormats) == 0 || $numberFormat == PhoneNumberFormat::NATIONAL)
? $metadata->numberFormats()
: $metadata->intlNumberFormats();
$formattingPattern = $this->chooseFormattingPatternForNumber($availableFormats, $number);
return ($formattingPattern === null)
? $number
: $this->formatNsnUsingPattern($number, $formattingPattern, $numberFormat, $carrierCode);
}
/**
* @param NumberFormat[] $availableFormats
* @param string $nationalNumber
* @return NumberFormat|null
*/
public function chooseFormattingPatternForNumber(array $availableFormats, $nationalNumber)
{
foreach ($availableFormats as $numFormat) {
$leadingDigitsPatternMatcher = null;
$size = $numFormat->leadingDigitsPatternSize();
// We always use the last leading_digits_pattern, as it is the most detailed.
if ($size > 0) {
$leadingDigitsPatternMatcher = new Matcher(
$numFormat->getLeadingDigitsPattern($size - 1),
$nationalNumber
);
}
if ($size == 0 || $leadingDigitsPatternMatcher->lookingAt()) {
$m = new Matcher($numFormat->getPattern(), $nationalNumber);
if ($m->matches() > 0) {
return $numFormat;
}
}
}
return null;
}
/**
* Note that carrierCode is optional - if null or an empty string, no carrier code replacement
* will take place.
* @param string $nationalNumber
* @param NumberFormat $formattingPattern
* @param int $numberFormat PhoneNumberFormat
* @param null|string $carrierCode
* @return string
*/
protected function formatNsnUsingPattern(
$nationalNumber,
NumberFormat $formattingPattern,
$numberFormat,
$carrierCode = null
) {
$numberFormatRule = $formattingPattern->getFormat();
$m = new Matcher($formattingPattern->getPattern(), $nationalNumber);
if ($numberFormat === PhoneNumberFormat::NATIONAL &&
$carrierCode !== null && mb_strlen($carrierCode) > 0 &&
mb_strlen($formattingPattern->getDomesticCarrierCodeFormattingRule()) > 0
) {
// Replace the $CC in the formatting rule with the desired carrier code.
$carrierCodeFormattingRule = $formattingPattern->getDomesticCarrierCodeFormattingRule();
$ccPatternMatcher = new Matcher(static::CC_PATTERN, $carrierCodeFormattingRule);
$carrierCodeFormattingRule = $ccPatternMatcher->replaceFirst($carrierCode);
// Now replace the $FG in the formatting rule with the first group and the carrier code
// combined in the appropriate way.
$firstGroupMatcher = new Matcher(static::FIRST_GROUP_PATTERN, $numberFormatRule);
$numberFormatRule = $firstGroupMatcher->replaceFirst($carrierCodeFormattingRule);
$formattedNationalNumber = $m->replaceAll($numberFormatRule);
} else {
// Use the national prefix formatting rule instead.
$nationalPrefixFormattingRule = $formattingPattern->getNationalPrefixFormattingRule();
if ($numberFormat == PhoneNumberFormat::NATIONAL &&
$nationalPrefixFormattingRule !== null &&
mb_strlen($nationalPrefixFormattingRule) > 0
) {
$firstGroupMatcher = new Matcher(static::FIRST_GROUP_PATTERN, $numberFormatRule);
$formattedNationalNumber = $m->replaceAll(
$firstGroupMatcher->replaceFirst($nationalPrefixFormattingRule)
);
} else {
$formattedNationalNumber = $m->replaceAll($numberFormatRule);
}
}
if ($numberFormat == PhoneNumberFormat::RFC3966) {
// Strip any leading punctuation.
$matcher = new Matcher(static::$SEPARATOR_PATTERN, $formattedNationalNumber);
if ($matcher->lookingAt()) {
$formattedNationalNumber = $matcher->replaceFirst("");
}
// Replace the rest with a dash between each number group.
$formattedNationalNumber = $matcher->reset($formattedNationalNumber)->replaceAll("-");
}
return $formattedNationalNumber;
}
/**
* Appends the formatted extension of a phone number to formattedNumber, if the phone number had
* an extension specified.
*
* @param PhoneNumber $number
* @param PhoneMetadata|null $metadata
* @param int $numberFormat PhoneNumberFormat
* @param string $formattedNumber
*/
protected function maybeAppendFormattedExtension(PhoneNumber $number, $metadata, $numberFormat, &$formattedNumber)
{
if ($number->hasExtension() && mb_strlen($number->getExtension()) > 0) {
if ($numberFormat === PhoneNumberFormat::RFC3966) {
$formattedNumber .= static::RFC3966_EXTN_PREFIX . $number->getExtension();
} else {
if (!empty($metadata) && $metadata->hasPreferredExtnPrefix()) {
$formattedNumber .= $metadata->getPreferredExtnPrefix() . $number->getExtension();
} else {
$formattedNumber .= static::DEFAULT_EXTN_PREFIX . $number->getExtension();
}
}
}
}
/**
* Returns the mobile token for the provided country calling code if it has one, otherwise
* returns an empty string. A mobile token is a number inserted before the area code when dialing
* a mobile number from that country from abroad.
*
* @param int $countryCallingCode the country calling code for which we want the mobile token
* @return string the mobile token, as a string, for the given country calling code
*/
public static function getCountryMobileToken($countryCallingCode)
{
if (count(static::$MOBILE_TOKEN_MAPPINGS) === 0) {
static::initMobileTokenMappings();
}
if (array_key_exists($countryCallingCode, static::$MOBILE_TOKEN_MAPPINGS)) {
return static::$MOBILE_TOKEN_MAPPINGS[$countryCallingCode];
}
return "";
}
/**
* Checks if the number is a valid vanity (alpha) number such as 800 MICROSOFT. A valid vanity
* number will start with at least 3 digits and will have three or more alpha characters. This
* does not do region-specific checks - to work out if this number is actually valid for a region,
* it should be parsed and methods such as {@link #isPossibleNumberWithReason} and
* {@link #isValidNumber} should be used.
*
* @param string $number the number that needs to be checked
* @return bool true if the number is a valid vanity number
*/
public function isAlphaNumber($number)
{
if (!static::isViablePhoneNumber($number)) {
// Number is too short, or doesn't match the basic phone number pattern.
return false;
}
$this->maybeStripExtension($number);
return (bool)preg_match('/' . static::VALID_ALPHA_PHONE_PATTERN . '/' . static::REGEX_FLAGS, $number);
}
/**
* Checks to see if the string of characters could possibly be a phone number at all. At the
* moment, checks to see that the string begins with at least 2 digits, ignoring any punctuation
* commonly found in phone numbers.
* This method does not require the number to be normalized in advance - but does assume that
* leading non-number symbols have been removed, such as by the method extractPossibleNumber.
*
* @param string $number to be checked for viability as a phone number
* @return boolean true if the number could be a phone number of some sort, otherwise false
*/
public static function isViablePhoneNumber($number)
{
if (mb_strlen($number) < static::MIN_LENGTH_FOR_NSN) {
return false;
}
$validPhoneNumberPattern = static::getValidPhoneNumberPattern();
$m = preg_match($validPhoneNumberPattern, $number);
return $m > 0;
}
/**
* We append optionally the extension pattern to the end here, as a valid phone number may
* have an extension prefix appended, followed by 1 or more digits.
* @return string
*/
protected static function getValidPhoneNumberPattern()
{
return static::$VALID_PHONE_NUMBER_PATTERN;
}
/**
* Strips any extension (as in, the part of the number dialled after the call is connected,
* usually indicated with extn, ext, x or similar) from the end of the number, and returns it.
*
* @param string $number the non-normalized telephone number that we wish to strip the extension from
* @return string the phone extension
*/
protected function maybeStripExtension(&$number)
{
$matches = array();
$find = preg_match(static::$EXTN_PATTERN, $number, $matches, PREG_OFFSET_CAPTURE);
// If we find a potential extension, and the number preceding this is a viable number, we assume
// it is an extension.
if ($find > 0 && static::isViablePhoneNumber(substr($number, 0, $matches[0][1]))) {
// The numbers are captured into groups in the regular expression.
for ($i = 1, $length = count($matches); $i <= $length; $i++) {
if ($matches[$i][0] != "") {
// We go through the capturing groups until we find one that captured some digits. If none
// did, then we will return the empty string.
$extension = $matches[$i][0];
$number = substr($number, 0, $matches[0][1]);
return $extension;
}
}
}
return "";
}
/**
* Parses a string and returns it in proto buffer format. This method differs from {@link #parse}
* in that it always populates the raw_input field of the protocol buffer with numberToParse as
* well as the country_code_source field.
*
* @param string $numberToParse number that we are attempting to parse. This can contain formatting
* such as +, ( and -, as well as a phone number extension. It can also
* be provided in RFC3966 format.
* @param string $defaultRegion region that we are expecting the number to be from. This is only used
* if the number being parsed is not written in international format.
* The country calling code for the number in this case would be stored
* as that of the default region supplied.
* @param PhoneNumber $phoneNumber
* @return PhoneNumber a phone number proto buffer filled with the parsed number
*/
public function parseAndKeepRawInput($numberToParse, $defaultRegion, PhoneNumber $phoneNumber = null)
{
if ($phoneNumber === null) {
$phoneNumber = new PhoneNumber();
}
$this->parseHelper($numberToParse, $defaultRegion, true, true, $phoneNumber);
return $phoneNumber;
}
/**
* A helper function to set the values related to leading zeros in a PhoneNumber.
* @param string $nationalNumber
* @param PhoneNumber $phoneNumber
*/
public static function setItalianLeadingZerosForPhoneNumber($nationalNumber, PhoneNumber $phoneNumber)
{
if (strlen($nationalNumber) > 1 && substr($nationalNumber, 0, 1) == '0') {
$phoneNumber->setItalianLeadingZero(true);
$numberOfLeadingZeros = 1;
// Note that if the national number is all "0"s, the last "0" is not counted as a leading
// zero.
while ($numberOfLeadingZeros < (strlen($nationalNumber) - 1) &&
substr($nationalNumber, $numberOfLeadingZeros, 1) == '0') {
$numberOfLeadingZeros++;
}
if ($numberOfLeadingZeros != 1) {
$phoneNumber->setNumberOfLeadingZeros($numberOfLeadingZeros);
}
}
}
/**
* Parses a string and fills up the phoneNumber. This method is the same as the public
* parse() method, with the exception that it allows the default region to be null, for use by
* isNumberMatch(). checkRegion should be set to false if it is permitted for the default region
* to be null or unknown ("ZZ").
* @param string $numberToParse
* @param string $defaultRegion
* @param bool $keepRawInput
* @param bool $checkRegion
* @param PhoneNumber $phoneNumber
* @throws NumberParseException
*/
protected function parseHelper($numberToParse, $defaultRegion, $keepRawInput, $checkRegion, PhoneNumber $phoneNumber)
{
if ($numberToParse === null) {
throw new NumberParseException(NumberParseException::NOT_A_NUMBER, "The phone number supplied was null.");
}
$numberToParse = trim($numberToParse);
if (mb_strlen($numberToParse) > static::MAX_INPUT_STRING_LENGTH) {
throw new NumberParseException(
NumberParseException::TOO_LONG,
"The string supplied was too long to parse."
);
}
$nationalNumber = '';
$this->buildNationalNumberForParsing($numberToParse, $nationalNumber);
/*if (!static::isViablePhoneNumber($nationalNumber)) {
throw new NumberParseException(
NumberParseException::NOT_A_NUMBER,
"The string supplied did not seem to be a phone number."
);
}*/
// Check the region supplied is valid, or that the extracted number starts with some sort of +
// sign so the number's region can be determined.
if ($checkRegion && !$this->checkRegionForParsing($nationalNumber, $defaultRegion)) {
throw new NumberParseException(
NumberParseException::INVALID_COUNTRY_CODE,
"Missing or invalid default region."
);
}
if ($keepRawInput) {
$phoneNumber->setRawInput($numberToParse);
}
// Attempt to parse extension first, since it doesn't require region-specific data and we want
// to have the non-normalised number here.
$extension = $this->maybeStripExtension($nationalNumber);
if (mb_strlen($extension) > 0) {
$phoneNumber->setExtension($extension);
}
$regionMetadata = $this->getMetadataForRegion($defaultRegion);
// Check to see if the number is given in international format so we know whether this number is
// from the default region or not.
$normalizedNationalNumber = "";
try {
// TODO: This method should really just take in the string buffer that has already
// been created, and just remove the prefix, rather than taking in a string and then
// outputting a string buffer.
$countryCode = $this->maybeExtractCountryCode(
$nationalNumber,
$regionMetadata,
$normalizedNationalNumber,
$keepRawInput,
$phoneNumber
);
} catch (NumberParseException $e) {
$matcher = new Matcher(static::$PLUS_CHARS_PATTERN, $nationalNumber);
if ($e->getErrorType() == NumberParseException::INVALID_COUNTRY_CODE && $matcher->lookingAt()) {
// Strip the plus-char, and try again.
$countryCode = $this->maybeExtractCountryCode(
substr($nationalNumber, $matcher->end()),
$regionMetadata,
$normalizedNationalNumber,
$keepRawInput,
$phoneNumber
);
if ($countryCode == 0) {
throw new NumberParseException(
NumberParseException::INVALID_COUNTRY_CODE,
"Could not interpret numbers after plus-sign."
);
}
} else {
throw new NumberParseException($e->getErrorType(), $e->getMessage(), $e);
}
}
if ($countryCode !== 0) {
$phoneNumberRegion = $this->getRegionCodeForCountryCode($countryCode);
if ($phoneNumberRegion != $defaultRegion) {
// Metadata cannot be null because the country calling code is valid.
$regionMetadata = $this->getMetadataForRegionOrCallingCode($countryCode, $phoneNumberRegion);
}
} else {
// If no extracted country calling code, use the region supplied instead. The national number
// is just the normalized version of the number we were given to parse.
$normalizedNationalNumber .= static::normalize($nationalNumber);
if ($defaultRegion !== null) {
$countryCode = $regionMetadata->getCountryCode();
$phoneNumber->setCountryCode($countryCode);
} elseif ($keepRawInput) {
$phoneNumber->clearCountryCodeSource();
}
}
/*if (mb_strlen($normalizedNationalNumber) < static::MIN_LENGTH_FOR_NSN) {
throw new NumberParseException(
NumberParseException::TOO_SHORT_NSN,
"The string supplied is too short to be a phone number."
);
}*/
if ($regionMetadata !== null) {
$carrierCode = "";
$potentialNationalNumber = $normalizedNationalNumber;
$this->maybeStripNationalPrefixAndCarrierCode($potentialNationalNumber, $regionMetadata, $carrierCode);
// We require that the NSN remaining after stripping the national prefix and carrier code be
// long enough to be a possible length for the region. Otherwise, we don't do the stripping,
// since the original number could be a valid short number.
if ($this->testNumberLength($potentialNationalNumber, $regionMetadata->getGeneralDesc()) !== ValidationResult::TOO_SHORT) {
$normalizedNationalNumber = $potentialNationalNumber;
if ($keepRawInput && mb_strlen($carrierCode) > 0) {
$phoneNumber->setPreferredDomesticCarrierCode($carrierCode);
}
}
}
$lengthOfNationalNumber = mb_strlen($normalizedNationalNumber);
/*if ($lengthOfNationalNumber < static::MIN_LENGTH_FOR_NSN) {
throw new NumberParseException(
NumberParseException::TOO_SHORT_NSN,
"The string supplied is too short to be a phone number."
);
}
if ($lengthOfNationalNumber > static::MAX_LENGTH_FOR_NSN) {
throw new NumberParseException(
NumberParseException::TOO_LONG,
"The string supplied is too long to be a phone number."
);
}*/
static::setItalianLeadingZerosForPhoneNumber($normalizedNationalNumber, $phoneNumber);
/*
* We have to store the National Number as a string instead of a "long" as Google do
*
* Since PHP doesn't always support 64 bit INTs, this was a float, but that had issues
* with long numbers.
*
* We have to remove the leading zeroes ourself though
*/
if ((int)$normalizedNationalNumber == 0) {
$normalizedNationalNumber = "0";
} else {
$normalizedNationalNumber = ltrim($normalizedNationalNumber, '0');
}
$phoneNumber->setNationalNumber($normalizedNationalNumber);
}
/**
* Converts numberToParse to a form that we can parse and write it to nationalNumber if it is
* written in RFC3966; otherwise extract a possible number out of it and write to nationalNumber.
* @param string $numberToParse
* @param string $nationalNumber
*/
protected function buildNationalNumberForParsing($numberToParse, &$nationalNumber)
{
$indexOfPhoneContext = strpos($numberToParse, static::RFC3966_PHONE_CONTEXT);
if ($indexOfPhoneContext > 0) {
$phoneContextStart = $indexOfPhoneContext + mb_strlen(static::RFC3966_PHONE_CONTEXT);
// If the phone context contains a phone number prefix, we need to capture it, whereas domains
// will be ignored.
if (substr($numberToParse, $phoneContextStart, 1) == static::PLUS_SIGN) {
// Additional parameters might follow the phone context. If so, we will remove them here
// because the parameters after phone context are not important for parsing the
// phone number.
$phoneContextEnd = strpos($numberToParse, ';', $phoneContextStart);
if ($phoneContextEnd > 0) {
$nationalNumber .= substr($numberToParse, $phoneContextStart, $phoneContextEnd - $phoneContextStart);
} else {
$nationalNumber .= substr($numberToParse, $phoneContextStart);
}
}
// Now append everything between the "tel:" prefix and the phone-context. This should include
// the national number, an optional extension or isdn-subaddress component. Note we also
// handle the case when "tel:" is missing, as we have seen in some of the phone number inputs.
// In that case, we append everything from the beginning.
$indexOfRfc3966Prefix = strpos($numberToParse, static::RFC3966_PREFIX);
$indexOfNationalNumber = ($indexOfRfc3966Prefix !== false) ? $indexOfRfc3966Prefix + strlen(static::RFC3966_PREFIX) : 0;
$nationalNumber .= substr($numberToParse, $indexOfNationalNumber, ($indexOfPhoneContext - $indexOfNationalNumber));
} else {
// Extract a possible number from the string passed in (this strips leading characters that
// could not be the start of a phone number.)
$nationalNumber .= static::extractPossibleNumber($numberToParse);
}
// Delete the isdn-subaddress and everything after it if it is present. Note extension won't
// appear at the same time with isdn-subaddress according to paragraph 5.3 of the RFC3966 spec,
$indexOfIsdn = strpos($nationalNumber, static::RFC3966_ISDN_SUBADDRESS);
if ($indexOfIsdn > 0) {
$nationalNumber = substr($nationalNumber, 0, $indexOfIsdn);
}
// If both phone context and isdn-subaddress are absent but other parameters are present, the
// parameters are left in nationalNumber. This is because we are concerned about deleting
// content from a potential number string when there is no strong evidence that the number is
// actually written in RFC3966.
}
/**
* Attempts to extract a possible number from the string passed in. This currently strips all
* leading characters that cannot be used to start a phone number. Characters that can be used to
* start a phone number are defined in the VALID_START_CHAR_PATTERN. If none of these characters
* are found in the number passed in, an empty string is returned. This function also attempts to
* strip off any alternative extensions or endings if two or more are present, such as in the case
* of: (530) 583-6985 x302/x2303. The second extension here makes this actually two phone numbers,
* (530) 583-6985 x302 and (530) 583-6985 x2303. We remove the second extension so that the first
* number is parsed correctly.
*
* @param int $number the string that might contain a phone number
* @return string the number, stripped of any non-phone-number prefix (such as "Tel:") or an empty
* string if no character used to start phone numbers (such as + or any digit) is
* found in the number
*/
public static function extractPossibleNumber($number)
{
if (static::$VALID_START_CHAR_PATTERN === null) {
static::initValidStartCharPattern();
}
$matches = array();
$match = preg_match('/' . static::$VALID_START_CHAR_PATTERN . '/ui', $number, $matches, PREG_OFFSET_CAPTURE);
if ($match > 0) {
$number = substr($number, $matches[0][1]);
// Remove trailing non-alpha non-numerical characters.
$trailingCharsMatcher = new Matcher(static::$UNWANTED_END_CHAR_PATTERN, $number);
if ($trailingCharsMatcher->find() && $trailingCharsMatcher->start() > 0) {
$number = substr($number, 0, $trailingCharsMatcher->start());
}
// Check for extra numbers at the end.
$match = preg_match('%' . static::$SECOND_NUMBER_START_PATTERN . '%', $number, $matches, PREG_OFFSET_CAPTURE);
if ($match > 0) {
$number = substr($number, 0, $matches[0][1]);
}
return $number;
} else {
return "";
}
}
/**
* Checks to see that the region code used is valid, or if it is not valid, that the number to
* parse starts with a + symbol so that we can attempt to infer the region from the number.
* Returns false if it cannot use the region provided and the region cannot be inferred.
* @param string $numberToParse
* @param string $defaultRegion
* @return bool
*/
protected function checkRegionForParsing($numberToParse, $defaultRegion)
{
if (!$this->isValidRegionCode($defaultRegion)) {
// If the number is null or empty, we can't infer the region.
$plusCharsPatternMatcher = new Matcher(static::$PLUS_CHARS_PATTERN, $numberToParse);
if ($numberToParse === null || mb_strlen($numberToParse) == 0 || !$plusCharsPatternMatcher->lookingAt()) {
return false;
}
}
return true;
}
/**
* Tries to extract a country calling code from a number. This method will return zero if no
* country calling code is considered to be present. Country calling codes are extracted in the
* following ways:
* <ul>
* <li> by stripping the international dialing prefix of the region the person is dialing from,
* if this is present in the number, and looking at the next digits
* <li> by stripping the '+' sign if present and then looking at the next digits
* <li> by comparing the start of the number and the country calling code of the default region.
* If the number is not considered possible for the numbering plan of the default region
* initially, but starts with the country calling code of this region, validation will be
* reattempted after stripping this country calling code. If this number is considered a
* possible number, then the first digits will be considered the country calling code and
* removed as such.
* </ul>
* It will throw a NumberParseException if the number starts with a '+' but the country calling
* code supplied after this does not match that of any known region.
*
* @param string $number non-normalized telephone number that we wish to extract a country calling
* code from - may begin with '+'
* @param PhoneMetadata $defaultRegionMetadata metadata about the region this number may be from
* @param string $nationalNumber a string buffer to store the national significant number in, in the case
* that a country calling code was extracted. The number is appended to any existing contents.
* If no country calling code was extracted, this will be left unchanged.
* @param bool $keepRawInput true if the country_code_source and preferred_carrier_code fields of
* phoneNumber should be populated.
* @param PhoneNumber $phoneNumber the PhoneNumber object where the country_code and country_code_source need
* to be populated. Note the country_code is always populated, whereas country_code_source is
* only populated when keepCountryCodeSource is true.
* @return int the country calling code extracted or 0 if none could be extracted
* @throws NumberParseException
*/
public function maybeExtractCountryCode(
$number,
PhoneMetadata $defaultRegionMetadata = null,
&$nationalNumber,
$keepRawInput,
PhoneNumber $phoneNumber
) {
if (mb_strlen($number) == 0) {
return 0;
}
$fullNumber = $number;
// Set the default prefix to be something that will never match.
$possibleCountryIddPrefix = "NonMatch";
if ($defaultRegionMetadata !== null) {
$possibleCountryIddPrefix = $defaultRegionMetadata->getInternationalPrefix();
}
$countryCodeSource = $this->maybeStripInternationalPrefixAndNormalize($fullNumber, $possibleCountryIddPrefix);
if ($keepRawInput) {
$phoneNumber->setCountryCodeSource($countryCodeSource);
}
if ($countryCodeSource != CountryCodeSource::FROM_DEFAULT_COUNTRY) {
if (mb_strlen($fullNumber) <= static::MIN_LENGTH_FOR_NSN) {
throw new NumberParseException(
NumberParseException::TOO_SHORT_AFTER_IDD,
"Phone number had an IDD, but after this was not long enough to be a viable phone number."
);
}
$potentialCountryCode = $this->extractCountryCode($fullNumber, $nationalNumber);
if ($potentialCountryCode != 0) {
$phoneNumber->setCountryCode($potentialCountryCode);
return $potentialCountryCode;
}
// If this fails, they must be using a strange country calling code that we don't recognize,
// or that doesn't exist.
throw new NumberParseException(
NumberParseException::INVALID_COUNTRY_CODE,
"Country calling code supplied was not recognised."
);
} elseif ($defaultRegionMetadata !== null) {
// Check to see if the number starts with the country calling code for the default region. If
// so, we remove the country calling code, and do some checks on the validity of the number
// before and after.
$defaultCountryCode = $defaultRegionMetadata->getCountryCode();
$defaultCountryCodeString = (string)$defaultCountryCode;
$normalizedNumber = (string)$fullNumber;
if (strpos($normalizedNumber, $defaultCountryCodeString) === 0) {
$potentialNationalNumber = substr($normalizedNumber, mb_strlen($defaultCountryCodeString));
$generalDesc = $defaultRegionMetadata->getGeneralDesc();
$validNumberPattern = $generalDesc->getNationalNumberPattern();
// Don't need the carrier code.
$carriercode = null;
$this->maybeStripNationalPrefixAndCarrierCode(
$potentialNationalNumber,
$defaultRegionMetadata,
$carriercode
);
// If the number was not valid before but is valid now, or if it was too long before, we
// consider the number with the country calling code stripped to be a better result and
// keep that instead.
if ((preg_match('/^(' . $validNumberPattern . ')$/x', $fullNumber) == 0
&& preg_match('/^(' . $validNumberPattern . ')$/x', $potentialNationalNumber) > 0)
|| $this->testNumberLength((string)$fullNumber, $generalDesc) === ValidationResult::TOO_LONG
) {
$nationalNumber .= $potentialNationalNumber;
if ($keepRawInput) {
$phoneNumber->setCountryCodeSource(CountryCodeSource::FROM_NUMBER_WITHOUT_PLUS_SIGN);
}
$phoneNumber->setCountryCode($defaultCountryCode);
return $defaultCountryCode;
}
}
}
// No country calling code present.
$phoneNumber->setCountryCode(0);
return 0;
}
/**
* Strips any international prefix (such as +, 00, 011) present in the number provided, normalizes
* the resulting number, and indicates if an international prefix was present.
*
* @param string $number the non-normalized telephone number that we wish to strip any international
* dialing prefix from.
* @param string $possibleIddPrefix string the international direct dialing prefix from the region we
* think this number may be dialed in
* @return int the corresponding CountryCodeSource if an international dialing prefix could be
* removed from the number, otherwise CountryCodeSource.FROM_DEFAULT_COUNTRY if the number did
* not seem to be in international format.
*/
public function maybeStripInternationalPrefixAndNormalize(&$number, $possibleIddPrefix)
{
if (mb_strlen($number) == 0) {
return CountryCodeSource::FROM_DEFAULT_COUNTRY;
}
$matches = array();
// Check to see if the number begins with one or more plus signs.
$match = preg_match('/^' . static::$PLUS_CHARS_PATTERN . '/' . static::REGEX_FLAGS, $number, $matches, PREG_OFFSET_CAPTURE);
if ($match > 0) {
$number = mb_substr($number, $matches[0][1] + mb_strlen($matches[0][0]));
// Can now normalize the rest of the number since we've consumed the "+" sign at the start.
$number = static::normalize($number);
return CountryCodeSource::FROM_NUMBER_WITH_PLUS_SIGN;
}
// Attempt to parse the first digits as an international prefix.
$iddPattern = $possibleIddPrefix;
$number = static::normalize($number);
return $this->parsePrefixAsIdd($iddPattern, $number)
? CountryCodeSource::FROM_NUMBER_WITH_IDD
: CountryCodeSource::FROM_DEFAULT_COUNTRY;
}
/**
* Normalizes a string of characters representing a phone number. This performs
* the following conversions:
* Punctuation is stripped.
* For ALPHA/VANITY numbers:
* Letters are converted to their numeric representation on a telephone
* keypad. The keypad used here is the one defined in ITU Recommendation
* E.161. This is only done if there are 3 or more letters in the number,
* to lessen the risk that such letters are typos.
* For other numbers:
* Wide-ascii digits are converted to normal ASCII (European) digits.
* Arabic-Indic numerals are converted to European numerals.
* Spurious alpha characters are stripped.
*
* @param string $number a string of characters representing a phone number.
* @return string the normalized string version of the phone number.
*/
public static function normalize(&$number)
{
if (static::$ALPHA_PHONE_MAPPINGS === null) {
static::initAlphaPhoneMappings();
}
$m = new Matcher(static::VALID_ALPHA_PHONE_PATTERN, $number);
if ($m->matches()) {
return static::normalizeHelper($number, static::$ALPHA_PHONE_MAPPINGS, true);
} else {
return static::normalizeDigitsOnly($number);
}
}
/**
* Normalizes a string of characters representing a phone number. This converts wide-ascii and
* arabic-indic numerals to European numerals, and strips punctuation and alpha characters.
*
* @param $number string a string of characters representing a phone number
* @return string the normalized string version of the phone number
*/
public static function normalizeDigitsOnly($number)
{
return static::normalizeDigits($number, false /* strip non-digits */);
}
/**
* @param string $number
* @param bool $keepNonDigits
* @return string
*/
public static function normalizeDigits($number, $keepNonDigits)
{
$normalizedDigits = "";
$numberAsArray = preg_split('/(?<!^)(?!$)/u', $number);
foreach ($numberAsArray as $character) {
if (is_numeric($character)) {
$normalizedDigits .= $character;
} elseif ($keepNonDigits) {
$normalizedDigits .= $character;
}
// If neither of the above are true, we remove this character.
// Check if we are in the unicode number range
if (array_key_exists($character, static::$numericCharacters)) {
$normalizedDigits .= static::$numericCharacters[$character];
}
}
return $normalizedDigits;
}
/**
* Strips the IDD from the start of the number if present. Helper function used by
* maybeStripInternationalPrefixAndNormalize.
* @param string $iddPattern
* @param string $number
* @return bool
*/
protected function parsePrefixAsIdd($iddPattern, &$number)
{
$m = new Matcher($iddPattern, $number);
if ($m->lookingAt()) {
$matchEnd = $m->end();
// Only strip this if the first digit after the match is not a 0, since country calling codes
// cannot begin with 0.
$digitMatcher = new Matcher(static::$CAPTURING_DIGIT_PATTERN, substr($number, $matchEnd));
if ($digitMatcher->find()) {
$normalizedGroup = static::normalizeDigitsOnly($digitMatcher->group(1));
if ($normalizedGroup == "0") {
return false;
}
}
$number = substr($number, $matchEnd);
return true;
}
return false;
}
/**
* Extracts country calling code from fullNumber, returns it and places the remaining number in nationalNumber.
* It assumes that the leading plus sign or IDD has already been removed.
* Returns 0 if fullNumber doesn't start with a valid country calling code, and leaves nationalNumber unmodified.
* @param string $fullNumber
* @param string $nationalNumber
* @return int
*/
protected function extractCountryCode(&$fullNumber, &$nationalNumber)
{
if ((mb_strlen($fullNumber) == 0) || ($fullNumber[0] == '0')) {
// Country codes do not begin with a '0'.
return 0;
}
$numberLength = mb_strlen($fullNumber);
for ($i = 1; $i <= static::MAX_LENGTH_COUNTRY_CODE && $i <= $numberLength; $i++) {
$potentialCountryCode = (int)substr($fullNumber, 0, $i);
if (isset($this->countryCallingCodeToRegionCodeMap[$potentialCountryCode])) {
$nationalNumber .= substr($fullNumber, $i);
return $potentialCountryCode;
}
}
return 0;
}
/**
* Strips any national prefix (such as 0, 1) present in the number provided.
*
* @param string $number the normalized telephone number that we wish to strip any national
* dialing prefix from
* @param PhoneMetadata $metadata the metadata for the region that we think this number is from
* @param string $carrierCode a place to insert the carrier code if one is extracted
* @return bool true if a national prefix or carrier code (or both) could be extracted.
*/
public function maybeStripNationalPrefixAndCarrierCode(&$number, PhoneMetadata $metadata, &$carrierCode)
{
$numberLength = mb_strlen($number);
$possibleNationalPrefix = $metadata->getNationalPrefixForParsing();
if ($numberLength == 0 || $possibleNationalPrefix === null || mb_strlen($possibleNationalPrefix) == 0) {
// Early return for numbers of zero length.
return false;
}
// Attempt to parse the first digits as a national prefix.
$prefixMatcher = new Matcher($possibleNationalPrefix, $number);
if ($prefixMatcher->lookingAt()) {
$nationalNumberRule = $metadata->getGeneralDesc()->getNationalNumberPattern();
// Check if the original number is viable.
$nationalNumberRuleMatcher = new Matcher($nationalNumberRule, $number);
$isViableOriginalNumber = $nationalNumberRuleMatcher->matches();
// $prefixMatcher->group($numOfGroups) === null implies nothing was captured by the capturing
// groups in $possibleNationalPrefix; therefore, no transformation is necessary, and we just
// remove the national prefix
$numOfGroups = $prefixMatcher->groupCount();
$transformRule = $metadata->getNationalPrefixTransformRule();
if ($transformRule === null
|| mb_strlen($transformRule) == 0
|| $prefixMatcher->group($numOfGroups - 1) === null
) {
// If the original number was viable, and the resultant number is not, we return.
$matcher = new Matcher($nationalNumberRule, substr($number, $prefixMatcher->end()));
if ($isViableOriginalNumber && !$matcher->matches()) {
return false;
}
if ($carrierCode !== null && $numOfGroups > 0 && $prefixMatcher->group($numOfGroups) !== null) {
$carrierCode .= $prefixMatcher->group(1);
}
$number = substr($number, $prefixMatcher->end());
return true;
} else {
// Check that the resultant number is still viable. If not, return. Check this by copying
// the string and making the transformation on the copy first.
$transformedNumber = $number;
$transformedNumber = substr_replace(
$transformedNumber,
$prefixMatcher->replaceFirst($transformRule),
0,
$numberLength
);
$matcher = new Matcher($nationalNumberRule, $transformedNumber);
if ($isViableOriginalNumber && !$matcher->matches()) {
return false;
}
if ($carrierCode !== null && $numOfGroups > 1) {
$carrierCode .= $prefixMatcher->group(1);
}
$number = substr_replace($number, $transformedNumber, 0, mb_strlen($number));
return true;
}
}
return false;
}
/**
* Helper method to check a number against possible lengths for this number, and determine whether
* it matches, or is too short or too long. Currently, if a number pattern suggests that numbers
* of length 7 and 10 are possible, and a number in between these possible lengths is entered,
* such as of length 8, this will return TOO_LONG.
* @param string $number
* @param PhoneNumberDesc $phoneNumberDesc
* @return int ValidationResult
*/
protected function testNumberLength($number, PhoneNumberDesc $phoneNumberDesc)
{
$possibleLengths = $phoneNumberDesc->getPossibleLength();
$localLengths = $phoneNumberDesc->getPossibleLengthLocalOnly();
$actualLength = mb_strlen($number);
if (in_array($actualLength, $localLengths)) {
return ValidationResult::IS_POSSIBLE;
}
// There should always be "possibleLengths" set for every element. This will be a build-time
// check once ShortNumberMetadata.xml is migrated to contain this information as well.
$minimumLength = reset($possibleLengths);
if ($minimumLength == $actualLength) {
return ValidationResult::IS_POSSIBLE;
} elseif ($minimumLength > $actualLength) {
return ValidationResult::TOO_SHORT;
} elseif (isset($possibleLengths[count($possibleLengths) - 1]) && $possibleLengths[count($possibleLengths) - 1] < $actualLength) {
return ValidationResult::TOO_LONG;
}
// Note that actually the number is not too long if possibleLengths does not contain the length:
// we know it is less than the highest possible number length, and higher than the lowest
// possible number length. However, we don't currently have an enum to express this, so we
// return TOO_LONG in the short-term.
// We skip the first element; we've already checked it.
array_shift($possibleLengths);
return in_array($actualLength, $possibleLengths) ? ValidationResult::IS_POSSIBLE : ValidationResult::TOO_LONG;
}
/**
* Returns a list with the region codes that match the specific country calling code. For
* non-geographical country calling codes, the region code 001 is returned. Also, in the case
* of no region code being found, an empty list is returned.
* @param int $countryCallingCode
* @return array
*/
public function getRegionCodesForCountryCode($countryCallingCode)
{
$regionCodes = isset($this->countryCallingCodeToRegionCodeMap[$countryCallingCode]) ? $this->countryCallingCodeToRegionCodeMap[$countryCallingCode] : null;
return $regionCodes === null ? array() : $regionCodes;
}
/**
* Returns the country calling code for a specific region. For example, this would be 1 for the
* United States, and 64 for New Zealand. Assumes the region is already valid.
*
* @param string $regionCode the region that we want to get the country calling code for
* @return int the country calling code for the region denoted by regionCode
*/
public function getCountryCodeForRegion($regionCode)
{
if (!$this->isValidRegionCode($regionCode)) {
return 0;
}
return $this->getCountryCodeForValidRegion($regionCode);
}
/**
* Returns the country calling code for a specific region. For example, this would be 1 for the
* United States, and 64 for New Zealand. Assumes the region is already valid.
*
* @param string $regionCode the region that we want to get the country calling code for
* @return int the country calling code for the region denoted by regionCode
* @throws \InvalidArgumentException if the region is invalid
*/
protected function getCountryCodeForValidRegion($regionCode)
{
$metadata = $this->getMetadataForRegion($regionCode);
if ($metadata === null) {
throw new \InvalidArgumentException("Invalid region code: " . $regionCode);
}
return $metadata->getCountryCode();
}
/**
* Returns a number formatted in such a way that it can be dialed from a mobile phone in a
* specific region. If the number cannot be reached from the region (e.g. some countries block
* toll-free numbers from being called outside of the country), the method returns an empty
* string.
*
* @param PhoneNumber $number the phone number to be formatted
* @param string $regionCallingFrom the region where the call is being placed
* @param boolean $withFormatting whether the number should be returned with formatting symbols, such as
* spaces and dashes.
* @return string the formatted phone number
*/
public function formatNumberForMobileDialing(PhoneNumber $number, $regionCallingFrom, $withFormatting)
{
$countryCallingCode = $number->getCountryCode();
if (!$this->hasValidCountryCallingCode($countryCallingCode)) {
return $number->hasRawInput() ? $number->getRawInput() : "";
}
$formattedNumber = "";
// Clear the extension, as that part cannot normally be dialed together with the main number.
$numberNoExt = new PhoneNumber();
$numberNoExt->mergeFrom($number)->clearExtension();
$regionCode = $this->getRegionCodeForCountryCode($countryCallingCode);
$numberType = $this->getNumberType($numberNoExt);
$isValidNumber = ($numberType !== PhoneNumberType::UNKNOWN);
if ($regionCallingFrom == $regionCode) {
$isFixedLineOrMobile = ($numberType == PhoneNumberType::FIXED_LINE) || ($numberType == PhoneNumberType::MOBILE) || ($numberType == PhoneNumberType::FIXED_LINE_OR_MOBILE);
// Carrier codes may be needed in some countries. We handle this here.
if ($regionCode == "CO" && $numberType == PhoneNumberType::FIXED_LINE) {
$formattedNumber = $this->formatNationalNumberWithCarrierCode(
$numberNoExt,
static::COLOMBIA_MOBILE_TO_FIXED_LINE_PREFIX
);
} elseif ($regionCode == "BR" && $isFixedLineOrMobile) {
// Historically, we set this to an empty string when parsing with raw input if none was
// found in the input string. However, this doesn't result in a number we can dial. For this
// reason, we treat the empty string the same as if it isn't set at all.
$formattedNumber = mb_strlen($numberNoExt->getPreferredDomesticCarrierCode()) > 0
? $this->formatNationalNumberWithPreferredCarrierCode($numberNoExt, "")
// Brazilian fixed line and mobile numbers need to be dialed with a carrier code when
// called within Brazil. Without that, most of the carriers won't connect the call.
// Because of that, we return an empty string here.
: "";
} elseif ($isValidNumber && $regionCode == "HU") {
// The national format for HU numbers doesn't contain the national prefix, because that is
// how numbers are normally written down. However, the national prefix is obligatory when
// dialing from a mobile phone, except for short numbers. As a result, we add it back here
// if it is a valid regular length phone number.
$formattedNumber = $this->getNddPrefixForRegion(
$regionCode,
true /* strip non-digits */
) . " " . $this->format($numberNoExt, PhoneNumberFormat::NATIONAL);
} elseif ($countryCallingCode === static::NANPA_COUNTRY_CODE) {
// For NANPA countries, we output international format for numbers that can be dialed
// internationally, since that always works, except for numbers which might potentially be
// short numbers, which are always dialled in national format.
$regionMetadata = $this->getMetadataForRegion($regionCallingFrom);
if ($this->canBeInternationallyDialled($numberNoExt)
&& $this->testNumberLength($this->getNationalSignificantNumber($numberNoExt),
$regionMetadata->getGeneralDesc()) !== ValidationResult::TOO_SHORT
) {
$formattedNumber = $this->format($numberNoExt, PhoneNumberFormat::INTERNATIONAL);
} else {
$formattedNumber = $this->format($numberNoExt, PhoneNumberFormat::NATIONAL);
}
} else {
// For non-geographical countries, Mexican and Chilean fixed line and mobile numbers, we
// output international format for numbers that can be dialed internationally as that always
// works.
if (($regionCode == static::REGION_CODE_FOR_NON_GEO_ENTITY ||
// MX fixed line and mobile numbers should always be formatted in international format,
// even when dialed within MX. For national format to work, a carrier code needs to be
// used, and the correct carrier code depends on if the caller and callee are from the
// same local area. It is trickier to get that to work correctly than using
// international format, which is tested to work fine on all carriers.
// CL fixed line numbers need the national prefix when dialing in the national format,
// but don't have it when used for display. The reverse is true for mobile numbers.
// As a result, we output them in the international format to make it work.
(($regionCode == "MX" || $regionCode == "CL") && $isFixedLineOrMobile)) && $this->canBeInternationallyDialled(
$numberNoExt
)
) {
$formattedNumber = $this->format($numberNoExt, PhoneNumberFormat::INTERNATIONAL);
} else {
$formattedNumber = $this->format($numberNoExt, PhoneNumberFormat::NATIONAL);
}
}
} elseif ($isValidNumber && $this->canBeInternationallyDialled($numberNoExt)) {
// We assume that short numbers are not diallable from outside their region, so if a number
// is not a valid regular length phone number, we treat it as if it cannot be internationally
// dialled.
return $withFormatting ?
$this->format($numberNoExt, PhoneNumberFormat::INTERNATIONAL) :
$this->format($numberNoExt, PhoneNumberFormat::E164);
}
return $withFormatting ? $formattedNumber : static::normalizeDiallableCharsOnly($formattedNumber);
}
/**
* Formats a phone number in national format for dialing using the carrier as specified in the
* {@code carrierCode}. The {@code carrierCode} will always be used regardless of whether the
* phone number already has a preferred domestic carrier code stored. If {@code carrierCode}
* contains an empty string, returns the number in national format without any carrier code.
*
* @param PhoneNumber $number the phone number to be formatted
* @param string $carrierCode the carrier selection code to be used
* @return string the formatted phone number in national format for dialing using the carrier as
* specified in the {@code carrierCode}
*/
public function formatNationalNumberWithCarrierCode(PhoneNumber $number, $carrierCode)
{
$countryCallingCode = $number->getCountryCode();
$nationalSignificantNumber = $this->getNationalSignificantNumber($number);
if (!$this->hasValidCountryCallingCode($countryCallingCode)) {
return $nationalSignificantNumber;
}
// Note getRegionCodeForCountryCode() is used because formatting information for regions which
// share a country calling code is contained by only one region for performance reasons. For
// example, for NANPA regions it will be contained in the metadata for US.
$regionCode = $this->getRegionCodeForCountryCode($countryCallingCode);
// Metadata cannot be null because the country calling code is valid.
$metadata = $this->getMetadataForRegionOrCallingCode($countryCallingCode, $regionCode);
$formattedNumber = $this->formatNsn(
$nationalSignificantNumber,
$metadata,
PhoneNumberFormat::NATIONAL,
$carrierCode
);
$this->maybeAppendFormattedExtension($number, $metadata, PhoneNumberFormat::NATIONAL, $formattedNumber);
$this->prefixNumberWithCountryCallingCode(
$countryCallingCode,
PhoneNumberFormat::NATIONAL,
$formattedNumber
);
return $formattedNumber;
}
/**
* Formats a phone number in national format for dialing using the carrier as specified in the
* preferredDomesticCarrierCode field of the PhoneNumber object passed in. If that is missing,
* use the {@code fallbackCarrierCode} passed in instead. If there is no
* {@code preferredDomesticCarrierCode}, and the {@code fallbackCarrierCode} contains an empty
* string, return the number in national format without any carrier code.
*
* <p>Use {@link #formatNationalNumberWithCarrierCode} instead if the carrier code passed in
* should take precedence over the number's {@code preferredDomesticCarrierCode} when formatting.
*
* @param PhoneNumber $number the phone number to be formatted
* @param string $fallbackCarrierCode the carrier selection code to be used, if none is found in the
* phone number itself
* @return string the formatted phone number in national format for dialing using the number's
* {@code preferredDomesticCarrierCode}, or the {@code fallbackCarrierCode} passed in if
* none is found
*/
public function formatNationalNumberWithPreferredCarrierCode(PhoneNumber $number, $fallbackCarrierCode)
{
return $this->formatNationalNumberWithCarrierCode(
$number,
// Historically, we set this to an empty string when parsing with raw input if none was
// found in the input string. However, this doesn't result in a number we can dial. For this
// reason, we treat the empty string the same as if it isn't set at all.
mb_strlen($number->getPreferredDomesticCarrierCode()) > 0
? $number->getPreferredDomesticCarrierCode()
: $fallbackCarrierCode
);
}
/**
* Returns true if the number can be dialled from outside the region, or unknown. If the number
* can only be dialled from within the region, returns false. Does not check the number is a valid
* number.
* TODO: Make this method public when we have enough metadata to make it worthwhile.
*
* @param PhoneNumber $number the phone-number for which we want to know whether it is diallable from outside the region
* @return bool
*/
public function canBeInternationallyDialled(PhoneNumber $number)
{
$metadata = $this->getMetadataForRegion($this->getRegionCodeForNumber($number));
if ($metadata === null) {
// Note numbers belonging to non-geographical entities (e.g. +800 numbers) are always
// internationally diallable, and will be caught here.
return true;
}
$nationalSignificantNumber = $this->getNationalSignificantNumber($number);
return !$this->isNumberMatchingDesc($nationalSignificantNumber, $metadata->getNoInternationalDialling());
}
/**
* Normalizes a string of characters representing a phone number. This strips all characters which
* are not diallable on a mobile phone keypad (including all non-ASCII digits).
*
* @param string $number a string of characters representing a phone number
* @return string the normalized string version of the phone number
*/
public static function normalizeDiallableCharsOnly($number)
{
if (count(static::$DIALLABLE_CHAR_MAPPINGS) === 0) {
static::initDiallableCharMappings();
}
return static::normalizeHelper($number, static::$DIALLABLE_CHAR_MAPPINGS, true /* remove non matches */);
}
/**
* Formats a phone number for out-of-country dialing purposes.
*
* Note that in this version, if the number was entered originally using alpha characters and
* this version of the number is stored in raw_input, this representation of the number will be
* used rather than the digit representation. Grouping information, as specified by characters
* such as "-" and " ", will be retained.
*
* <p><b>Caveats:</b></p>
* <ul>
* <li> This will not produce good results if the country calling code is both present in the raw
* input _and_ is the start of the national number. This is not a problem in the regions
* which typically use alpha numbers.
* <li> This will also not produce good results if the raw input has any grouping information
* within the first three digits of the national number, and if the function needs to strip
* preceding digits/words in the raw input before these digits. Normally people group the
* first three digits together so this is not a huge problem - and will be fixed if it
* proves to be so.
* </ul>
*
* @param PhoneNumber $number the phone number that needs to be formatted
* @param String $regionCallingFrom the region where the call is being placed
* @return String the formatted phone number
*/
public function formatOutOfCountryKeepingAlphaChars(PhoneNumber $number, $regionCallingFrom)
{
$rawInput = $number->getRawInput();
// If there is no raw input, then we can't keep alpha characters because there aren't any.
// In this case, we return formatOutOfCountryCallingNumber.
if (mb_strlen($rawInput) == 0) {
return $this->formatOutOfCountryCallingNumber($number, $regionCallingFrom);
}
$countryCode = $number->getCountryCode();
if (!$this->hasValidCountryCallingCode($countryCode)) {
return $rawInput;
}
// Strip any prefix such as country calling code, IDD, that was present. We do this by comparing
// the number in raw_input with the parsed number.
// To do this, first we normalize punctuation. We retain number grouping symbols such as " "
// only.
$rawInput = $this->normalizeHelper($rawInput, static::$ALL_PLUS_NUMBER_GROUPING_SYMBOLS, true);
// Now we trim everything before the first three digits in the parsed number. We choose three
// because all valid alpha numbers have 3 digits at the start - if it does not, then we don't
// trim anything at all. Similarly, if the national number was less than three digits, we don't
// trim anything at all.
$nationalNumber = $this->getNationalSignificantNumber($number);
if (mb_strlen($nationalNumber) > 3) {
$firstNationalNumberDigit = strpos($rawInput, substr($nationalNumber, 0, 3));
if ($firstNationalNumberDigit !== false) {
$rawInput = substr($rawInput, $firstNationalNumberDigit);
}
}
$metadataForRegionCallingFrom = $this->getMetadataForRegion($regionCallingFrom);
if ($countryCode == static::NANPA_COUNTRY_CODE) {
if ($this->isNANPACountry($regionCallingFrom)) {
return $countryCode . " " . $rawInput;
}
} elseif ($metadataForRegionCallingFrom !== null &&
$countryCode == $this->getCountryCodeForValidRegion($regionCallingFrom)
) {
$formattingPattern =
$this->chooseFormattingPatternForNumber(
$metadataForRegionCallingFrom->numberFormats(),
$nationalNumber
);
if ($formattingPattern === null) {
// If no pattern above is matched, we format the original input.
return $rawInput;
}
$newFormat = new NumberFormat();
$newFormat->mergeFrom($formattingPattern);
// The first group is the first group of digits that the user wrote together.
$newFormat->setPattern("(\\d+)(.*)");
// Here we just concatenate them back together after the national prefix has been fixed.
$newFormat->setFormat("$1$2");
// Now we format using this pattern instead of the default pattern, but with the national
// prefix prefixed if necessary.
// This will not work in the cases where the pattern (and not the leading digits) decide
// whether a national prefix needs to be used, since we have overridden the pattern to match
// anything, but that is not the case in the metadata to date.
return $this->formatNsnUsingPattern($rawInput, $newFormat, PhoneNumberFormat::NATIONAL);
}
$internationalPrefixForFormatting = "";
// If an unsupported region-calling-from is entered, or a country with multiple international
// prefixes, the international format of the number is returned, unless there is a preferred
// international prefix.
if ($metadataForRegionCallingFrom !== null) {
$internationalPrefix = $metadataForRegionCallingFrom->getInternationalPrefix();
$uniqueInternationalPrefixMatcher = new Matcher(static::UNIQUE_INTERNATIONAL_PREFIX, $internationalPrefix);
$internationalPrefixForFormatting =
$uniqueInternationalPrefixMatcher->matches()
? $internationalPrefix
: $metadataForRegionCallingFrom->getPreferredInternationalPrefix();
}
$formattedNumber = $rawInput;
$regionCode = $this->getRegionCodeForCountryCode($countryCode);
// Metadata cannot be null because the country calling code is valid.
$metadataForRegion = $this->getMetadataForRegionOrCallingCode($countryCode, $regionCode);
$this->maybeAppendFormattedExtension(
$number,
$metadataForRegion,
PhoneNumberFormat::INTERNATIONAL,
$formattedNumber
);
if (mb_strlen($internationalPrefixForFormatting) > 0) {
$formattedNumber = $internationalPrefixForFormatting . " " . $countryCode . " " . $formattedNumber;
} else {
// Invalid region entered as country-calling-from (so no metadata was found for it) or the
// region chosen has multiple international dialling prefixes.
$this->prefixNumberWithCountryCallingCode(
$countryCode,
PhoneNumberFormat::INTERNATIONAL,
$formattedNumber
);
}
return $formattedNumber;
}
/**
* Formats a phone number for out-of-country dialing purposes. If no regionCallingFrom is
* supplied, we format the number in its INTERNATIONAL format. If the country calling code is the
* same as that of the region where the number is from, then NATIONAL formatting will be applied.
*
* <p>If the number itself has a country calling code of zero or an otherwise invalid country
* calling code, then we return the number with no formatting applied.
*
* <p>Note this function takes care of the case for calling inside of NANPA and between Russia and
* Kazakhstan (who share the same country calling code). In those cases, no international prefix
* is used. For regions which have multiple international prefixes, the number in its
* INTERNATIONAL format will be returned instead.
*
* @param PhoneNumber $number the phone number to be formatted
* @param string $regionCallingFrom the region where the call is being placed
* @return string the formatted phone number
*/
public function formatOutOfCountryCallingNumber(PhoneNumber $number, $regionCallingFrom)
{
if (!$this->isValidRegionCode($regionCallingFrom)) {
return $this->format($number, PhoneNumberFormat::INTERNATIONAL);
}
$countryCallingCode = $number->getCountryCode();
$nationalSignificantNumber = $this->getNationalSignificantNumber($number);
if (!$this->hasValidCountryCallingCode($countryCallingCode)) {
return $nationalSignificantNumber;
}
if ($countryCallingCode == static::NANPA_COUNTRY_CODE) {
if ($this->isNANPACountry($regionCallingFrom)) {
// For NANPA regions, return the national format for these regions but prefix it with the
// country calling code.
return $countryCallingCode . " " . $this->format($number, PhoneNumberFormat::NATIONAL);
}
} elseif ($countryCallingCode == $this->getCountryCodeForValidRegion($regionCallingFrom)) {
// If regions share a country calling code, the country calling code need not be dialled.
// This also applies when dialling within a region, so this if clause covers both these cases.
// Technically this is the case for dialling from La Reunion to other overseas departments of
// France (French Guiana, Martinique, Guadeloupe), but not vice versa - so we don't cover this
// edge case for now and for those cases return the version including country calling code.
// Details here: http://www.petitfute.com/voyage/225-info-pratiques-reunion
return $this->format($number, PhoneNumberFormat::NATIONAL);
}
// Metadata cannot be null because we checked 'isValidRegionCode()' above.
$metadataForRegionCallingFrom = $this->getMetadataForRegion($regionCallingFrom);
$internationalPrefix = $metadataForRegionCallingFrom->getInternationalPrefix();
// For regions that have multiple international prefixes, the international format of the
// number is returned, unless there is a preferred international prefix.
$internationalPrefixForFormatting = "";
$uniqueInternationalPrefixMatcher = new Matcher(static::UNIQUE_INTERNATIONAL_PREFIX, $internationalPrefix);
if ($uniqueInternationalPrefixMatcher->matches()) {
$internationalPrefixForFormatting = $internationalPrefix;
} elseif ($metadataForRegionCallingFrom->hasPreferredInternationalPrefix()) {
$internationalPrefixForFormatting = $metadataForRegionCallingFrom->getPreferredInternationalPrefix();
}
$regionCode = $this->getRegionCodeForCountryCode($countryCallingCode);
// Metadata cannot be null because the country calling code is valid.
$metadataForRegion = $this->getMetadataForRegionOrCallingCode($countryCallingCode, $regionCode);
$formattedNationalNumber = $this->formatNsn(
$nationalSignificantNumber,
$metadataForRegion,
PhoneNumberFormat::INTERNATIONAL
);
$formattedNumber = $formattedNationalNumber;
$this->maybeAppendFormattedExtension(
$number,
$metadataForRegion,
PhoneNumberFormat::INTERNATIONAL,
$formattedNumber
);
if (mb_strlen($internationalPrefixForFormatting) > 0) {
$formattedNumber = $internationalPrefixForFormatting . " " . $countryCallingCode . " " . $formattedNumber;
} else {
$this->prefixNumberWithCountryCallingCode(
$countryCallingCode,
PhoneNumberFormat::INTERNATIONAL,
$formattedNumber
);
}
return $formattedNumber;
}
/**
* Checks if this is a region under the North American Numbering Plan Administration (NANPA).
* @param string $regionCode
* @return boolean true if regionCode is one of the regions under NANPA
*/
public function isNANPACountry($regionCode)
{
return in_array($regionCode, $this->nanpaRegions);
}
/**
* Formats a phone number using the original phone number format that the number is parsed from.
* The original format is embedded in the country_code_source field of the PhoneNumber object
* passed in. If such information is missing, the number will be formatted into the NATIONAL
* format by default. When the number contains a leading zero and this is unexpected for this
* country, or we don't have a formatting pattern for the number, the method returns the raw input
* when it is available.
*
* Note this method guarantees no digit will be inserted, removed or modified as a result of
* formatting.
*
* @param PhoneNumber $number the phone number that needs to be formatted in its original number format
* @param string $regionCallingFrom the region whose IDD needs to be prefixed if the original number
* has one
* @return string the formatted phone number in its original number format
*/
public function formatInOriginalFormat(PhoneNumber $number, $regionCallingFrom)
{
if ($number->hasRawInput() &&
($this->hasUnexpectedItalianLeadingZero($number) || !$this->hasFormattingPatternForNumber($number))
) {
// We check if we have the formatting pattern because without that, we might format the number
// as a group without national prefix.
return $number->getRawInput();
}
if (!$number->hasCountryCodeSource()) {
return $this->format($number, PhoneNumberFormat::NATIONAL);
}
switch ($number->getCountryCodeSource()) {
case CountryCodeSource::FROM_NUMBER_WITH_PLUS_SIGN:
$formattedNumber = $this->format($number, PhoneNumberFormat::INTERNATIONAL);
break;
case CountryCodeSource::FROM_NUMBER_WITH_IDD:
$formattedNumber = $this->formatOutOfCountryCallingNumber($number, $regionCallingFrom);
break;
case CountryCodeSource::FROM_NUMBER_WITHOUT_PLUS_SIGN:
$formattedNumber = substr($this->format($number, PhoneNumberFormat::INTERNATIONAL), 1);
break;
case CountryCodeSource::FROM_DEFAULT_COUNTRY:
// Fall-through to default case.
default:
$regionCode = $this->getRegionCodeForCountryCode($number->getCountryCode());
// We strip non-digits from the NDD here, and from the raw input later, so that we can
// compare them easily.
$nationalPrefix = $this->getNddPrefixForRegion($regionCode, true /* strip non-digits */);
$nationalFormat = $this->format($number, PhoneNumberFormat::NATIONAL);
if ($nationalPrefix === null || mb_strlen($nationalPrefix) == 0) {
// If the region doesn't have a national prefix at all, we can safely return the national
// format without worrying about a national prefix being added.
$formattedNumber = $nationalFormat;
break;
}
// Otherwise, we check if the original number was entered with a national prefix.
if ($this->rawInputContainsNationalPrefix(
$number->getRawInput(),
$nationalPrefix,
$regionCode
)
) {
// If so, we can safely return the national format.
$formattedNumber = $nationalFormat;
break;
}
// Metadata cannot be null here because getNddPrefixForRegion() (above) returns null if
// there is no metadata for the region.
$metadata = $this->getMetadataForRegion($regionCode);
$nationalNumber = $this->getNationalSignificantNumber($number);
$formatRule = $this->chooseFormattingPatternForNumber($metadata->numberFormats(), $nationalNumber);
// The format rule could still be null here if the national number was 0 and there was no
// raw input (this should not be possible for numbers generated by the phonenumber library
// as they would also not have a country calling code and we would have exited earlier).
if ($formatRule === null) {
$formattedNumber = $nationalFormat;
break;
}
// When the format we apply to this number doesn't contain national prefix, we can just
// return the national format.
// TODO: Refactor the code below with the code in isNationalPrefixPresentIfRequired.
$candidateNationalPrefixRule = $formatRule->getNationalPrefixFormattingRule();
// We assume that the first-group symbol will never be _before_ the national prefix.
$indexOfFirstGroup = strpos($candidateNationalPrefixRule, '$1');
if ($indexOfFirstGroup <= 0) {
$formattedNumber = $nationalFormat;
break;
}
$candidateNationalPrefixRule = substr($candidateNationalPrefixRule, 0, $indexOfFirstGroup);
$candidateNationalPrefixRule = static::normalizeDigitsOnly($candidateNationalPrefixRule);
if (mb_strlen($candidateNationalPrefixRule) == 0) {
// National prefix not used when formatting this number.
$formattedNumber = $nationalFormat;
break;
}
// Otherwise, we need to remove the national prefix from our output.
$numFormatCopy = new NumberFormat();
$numFormatCopy->mergeFrom($formatRule);
$numFormatCopy->clearNationalPrefixFormattingRule();
$numberFormats = array();
$numberFormats[] = $numFormatCopy;
$formattedNumber = $this->formatByPattern($number, PhoneNumberFormat::NATIONAL, $numberFormats);
break;
}
$rawInput = $number->getRawInput();
// If no digit is inserted/removed/modified as a result of our formatting, we return the
// formatted phone number; otherwise we return the raw input the user entered.
if ($formattedNumber !== null && mb_strlen($rawInput) > 0) {
$normalizedFormattedNumber = static::normalizeDiallableCharsOnly($formattedNumber);
$normalizedRawInput = static::normalizeDiallableCharsOnly($rawInput);
if ($normalizedFormattedNumber != $normalizedRawInput) {
$formattedNumber = $rawInput;
}
}
return $formattedNumber;
}
/**
* Returns true if a number is from a region whose national significant number couldn't contain a
* leading zero, but has the italian_leading_zero field set to true.
* @param PhoneNumber $number
* @return bool
*/
protected function hasUnexpectedItalianLeadingZero(PhoneNumber $number)
{
return $number->isItalianLeadingZero() && !$this->isLeadingZeroPossible($number->getCountryCode());
}
/**
* Checks whether the country calling code is from a region whose national significant number
* could contain a leading zero. An example of such a region is Italy. Returns false if no
* metadata for the country is found.
* @param int $countryCallingCode
* @return bool
*/
public function isLeadingZeroPossible($countryCallingCode)
{
$mainMetadataForCallingCode = $this->getMetadataForRegionOrCallingCode(
$countryCallingCode,
$this->getRegionCodeForCountryCode($countryCallingCode)
);
if ($mainMetadataForCallingCode === null) {
return false;
}
return (bool)$mainMetadataForCallingCode->isLeadingZeroPossible();
}
/**
* @param PhoneNumber $number
* @return bool
*/
protected function hasFormattingPatternForNumber(PhoneNumber $number)
{
$countryCallingCode = $number->getCountryCode();
$phoneNumberRegion = $this->getRegionCodeForCountryCode($countryCallingCode);
$metadata = $this->getMetadataForRegionOrCallingCode($countryCallingCode, $phoneNumberRegion);
if ($metadata === null) {
return false;
}
$nationalNumber = $this->getNationalSignificantNumber($number);
$formatRule = $this->chooseFormattingPatternForNumber($metadata->numberFormats(), $nationalNumber);
return $formatRule !== null;
}
/**
* Returns the national dialling prefix for a specific region. For example, this would be 1 for
* the United States, and 0 for New Zealand. Set stripNonDigits to true to strip symbols like "~"
* (which indicates a wait for a dialling tone) from the prefix returned. If no national prefix is
* present, we return null.
*
* <p>Warning: Do not use this method for do-your-own formatting - for some regions, the
* national dialling prefix is used only for certain types of numbers. Use the library's
* formatting functions to prefix the na