Created
May 22, 2016 03:12
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Este Script convierte un XML a un Arreglo
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<?php | |
function xml2array($contents, $get_attributes=1, $priority = 'tag') { | |
if(!$contents) return array(); | |
if(!function_exists('xml_parser_create')) { | |
//print "'xml_parser_create()' function not found!"; | |
return array(); | |
} | |
//Get the XML parser of PHP - PHP must have this module for the parser to work | |
$parser = xml_parser_create(''); | |
xml_parser_set_option($parser, XML_OPTION_TARGET_ENCODING, "UTF-8"); # http://minutillo.com/steve/weblog/2004/6/17/php-xml-and-character-encodings-a-tale-of-sadness-rage-and-data-loss | |
xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, 0); | |
xml_parser_set_option($parser, XML_OPTION_SKIP_WHITE, 1); | |
xml_parse_into_struct($parser, trim($contents), $xml_values); | |
xml_parser_free($parser); | |
if(!$xml_values) return;//Hmm... | |
//Initializations | |
$xml_array = array(); | |
$parents = array(); | |
$opened_tags = array(); | |
$arr = array(); | |
$current = &$xml_array; //Refference | |
//Go through the tags. | |
$repeated_tag_index = array();//Multiple tags with same name will be turned into an array | |
foreach($xml_values as $data) { | |
unset($attributes,$value);//Remove existing values, or there will be trouble | |
//This command will extract these variables into the foreach scope | |
// tag(string), type(string), level(int), attributes(array). | |
extract($data);//We could use the array by itself, but this cooler. | |
$result = array(); | |
$attributes_data = array(); | |
if(isset($value)) { | |
if($priority == 'tag') $result = $value; | |
else $result['value'] = $value; //Put the value in a assoc array if we are in the 'Attribute' mode | |
} | |
//Set the attributes too. | |
if(isset($attributes) and $get_attributes) { | |
foreach($attributes as $attr => $val) { | |
if($priority == 'tag') $attributes_data[$attr] = $val; | |
else $result['attr'][$attr] = $val; //Set all the attributes in a array called 'attr' | |
} | |
} | |
//See tag status and do the needed. | |
if($type == "open") {//The starting of the tag '<tag>' | |
$parent[$level-1] = &$current; | |
if(!is_array($current) or (!in_array($tag, array_keys($current)))) { //Insert New tag | |
$current[$tag] = $result; | |
if($attributes_data) $current[$tag. '_attr'] = $attributes_data; | |
$repeated_tag_index[$tag.'_'.$level] = 1; | |
$current = &$current[$tag]; | |
} else { //There was another element with the same tag name | |
if(isset($current[$tag][0])) {//If there is a 0th element it is already an array | |
$current[$tag][$repeated_tag_index[$tag.'_'.$level]] = $result; | |
$repeated_tag_index[$tag.'_'.$level]++; | |
} else {//This section will make the value an array if multiple tags with the same name appear together | |
$current[$tag] = array($current[$tag],$result);//This will combine the existing item and the new item together to make an array | |
$repeated_tag_index[$tag.'_'.$level] = 2; | |
if(isset($current[$tag.'_attr'])) { //The attribute of the last(0th) tag must be moved as well | |
$current[$tag]['0_attr'] = $current[$tag.'_attr']; | |
unset($current[$tag.'_attr']); | |
} | |
} | |
$last_item_index = $repeated_tag_index[$tag.'_'.$level]-1; | |
$current = &$current[$tag][$last_item_index]; | |
} | |
} elseif($type == "complete") { //Tags that ends in 1 line '<tag />' | |
//See if the key is already taken. | |
if(!isset($current[$tag])) { //New Key | |
$current[$tag] = $result; | |
$repeated_tag_index[$tag.'_'.$level] = 1; | |
if($priority == 'tag' and $attributes_data) $current[$tag. '_attr'] = $attributes_data; | |
} else { //If taken, put all things inside a list(array) | |
if(isset($current[$tag][0]) and is_array($current[$tag])) {//If it is already an array... | |
// ...push the new element into that array. | |
$current[$tag][$repeated_tag_index[$tag.'_'.$level]] = $result; | |
if($priority == 'tag' and $get_attributes and $attributes_data) { | |
$current[$tag][$repeated_tag_index[$tag.'_'.$level] . '_attr'] = $attributes_data; | |
} | |
$repeated_tag_index[$tag.'_'.$level]++; | |
} else { //If it is not an array... | |
$current[$tag] = array($current[$tag],$result); //...Make it an array using using the existing value and the new value | |
$repeated_tag_index[$tag.'_'.$level] = 1; | |
if($priority == 'tag' and $get_attributes) { | |
if(isset($current[$tag.'_attr'])) { //The attribute of the last(0th) tag must be moved as well | |
$current[$tag]['0_attr'] = $current[$tag.'_attr']; | |
unset($current[$tag.'_attr']); | |
} | |
if($attributes_data) { | |
$current[$tag][$repeated_tag_index[$tag.'_'.$level] . '_attr'] = $attributes_data; | |
} | |
} | |
$repeated_tag_index[$tag.'_'.$level]++; //0 and 1 index is already taken | |
} | |
} | |
} elseif($type == 'close') { //End of tag '</tag>' | |
$current = &$parent[$level-1]; | |
} | |
} | |
return($xml_array); | |
} | |
?> |
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