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tallesairan/TextMinifier.php

Created August 4, 2022 19:52
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Simple cache management on php scripts like wordpress super cache structure
Raw
config.php
<?php
define('DOMAIN','https://gist.github.com');
$root_directory = '';
$domainExploded = explode('/',DOMAIN);
$cache_directory = $root_directory."/wp-content/cache/supercache/".end($domainExploded);
if(!is_dir($cache_directory)){
mkdir($cache_directory, 0777, true);
}
define('CACHE_PATH',$cache_directory); // PHP path
$startTime = microtime(true);
define('START_TIME',$startTime); // PHP path
Raw
index.php
<?php
include 'config.php';
include 'TextMinifier.php';
$uShare = '';
function opCallback($buffer) {
return minify_html($buffer);
}
function saveResponse($dir,$response){
$cacheFile = $dir.'/index-https.html';
if(!file_exists($cacheFile)){
$file = fopen($cacheFile,'w');
$time_elapsed_secs = microtime(true) - START_TIME;
$response = $response.'<!-- cache generated by wp-super-cache in '.$time_elapsed_secs.' secs -->';
fwrite($file,$response);
fclose($file);
}else{
// verify if file is older than 1 day and update
$filemtime = filemtime($cacheFile);
$diff = time() - $filemtime;
$time_elapsed_secs = microtime(true) - START_TIME;
$response = $response.'<!-- cache generated by wp-super-cache in '.$time_elapsed_secs.' secs -->';
if($diff > 86400){
$file = fopen($cacheFile,'w');
fwrite($file,$response);
fclose($file);
}
}
return $response;
}
function opSaveCallback($buffer) {
$urlBase = '';
$urlComplete = $_SERVER['REQUEST_URI'];
$urlParts = explode('/', $urlComplete);
$responser = minify_html($buffer);
if(isset($urlParts[1])) {
$urlBase = $urlParts[1];
$cacheDir = CACHE_PATH.'/'.$urlBase.'/'.$urlParts[2];
if(!file_exists($cacheDir)){
if (mkdir($cacheDir, 0777, true) && is_dir($cacheDir)) {
return saveResponse($cacheDir, $responser);
}
}else{
return saveResponse($cacheDir, $responser);
}
}
return $responser;
}
$urlComplete = $_SERVER['REQUEST_URI'];
$urlParts = explode('/', $urlComplete);
if(isset($urlParts[1])){
$urlBase = $urlParts[1];
$urlContent = $urlParts[2]??'';
if($urlBase === 'video' || $urlBase === 'view'){
if(!empty($urlContent)){
if(empty(preg_match('/[^0-9a-zA-Z]/',$urlContent))){
if(str_contains($urlComplete, '?')){
ob_start('opCallback');
}else{
ob_start('opSaveCallback');
}
}else{
ob_start('opCallback');
}
}else{
ob_start('opCallback');
}
}else{
ob_start('opCallback');
}
}
}
include('header.php');
include('content.php')
include('footer.php');
Raw
TextMinifier.php
<?php
namespace x\minify\_ { // start namespace
$n = __NAMESPACE__;
\define($n . "\\token_boolean", '\b(?:true|false)\b');
\define($n . "\\token_number", '-?(?:(?:\d+)?\.)?\d+');
\define($n . "\\token_string", '(?:"(?:[^"\\\]|\\\.)*"|\'(?:[^\'\\\]|\\\.)*\')');
\define($n . "\\token_css_spec", '(?:[^\0-\237]|\\[a-f\d]{1,6}(?:\n\r|[ \f\n\r\t])?|\\[^a-f\d\f\n\r])');
\define($n . "\\token_css_combinator", '[~+>]');
\define($n . "\\token_css_comment", '/\*[^*]*\*+(?:[^/*][^*]*\*+)*/');
\define($n . "\\token_css_hack", '[!#$%&()*+,./:<=>?@\[\]_`|~]');
\define($n . "\\token_css_hex", '#(?:[a-f\d]{1,2}){3,4}');
\define($n . "\\token_css_property", '[a-z-][a-z\d-]*');
\define($n . "\\token_css_value", '(?:' . token_string . '|[^;])*');
// <https://drafts.csswg.org/css2#tokenization>
\define($n . "\\token_css_name", '(?:_[a-z]|' . token_css_spec . ')(?:[_a-z\d-]|' . token_css_spec . ')*');
\define($n . "\\token_css_function", token_css_property . '\(\s*(?:' . token_string . '|[^};])*\s*\)');
\define($n . "\\token_css_selector_any", '[&*]');
\define($n . "\\token_css_selector_at", '@' . token_css_name);
\define($n . "\\token_css_selector_attr", '\[(?:' . token_string . '|[^]])*\]');
\define($n . "\\token_css_selector_class", '\.' . token_css_name);
\define($n . "\\token_css_selector_element", token_css_name);
\define($n . "\\token_css_selector_function", '::?' . token_css_function);
\define($n . "\\token_css_selector_id", '#' . token_css_name);
\define($n . "\\token_css_selector_pseudo", '::?' . token_css_property);
\define($n . "\\token_css_function_url", 'url\(\s*(?:' . token_string . '|[^()]+)\s*\)');
\define($n . "\\tokens_css_color_name", [
'aliceblue' => '#f0f8ff',
'antiquewhite' => '#faebd7',
'aqua' => '#0ff',
'aquamarine' => '#7fffd4',
'azure' => '#f0ffff',
'beige' => '#f5f5dc',
'bisque' => '#ffe4c4',
'black' => '#000',
'blanchedalmond' => '#ffebcd',
'blue' => '#00f',
'blueviolet' => '#8a2be2',
'brown' => '#a52a2a',
'burlywood' => '#deb887',
'cadetblue' => '#5f9ea0',
'chartreuse' => '#7fff00',
'chocolate' => '#d2691e',
'coral' => '#ff7f50',
'cornflowerblue' => '#6495ed',
'cornsilk' => '#fff8dc',
'crimson' => '#dc143c',
'cyan' => '#0ff',
'darkblue' => '#00008b',
'darkcyan' => '#008b8b',
'darkgoldenrod' => '#b8860b',
'darkgray' => '#a9a9a9',
'darkgreen' => '#006400',
'darkgrey' => '#a9a9a9',
'darkkhaki' => '#bdb76b',
'darkmagenta' => '#8b008b',
'darkolivegreen' => '#556b2f',
'darkorange' => '#ff8c00',
'darkorchid' => '#9932cc',
'darkred' => '#8b0000',
'darksalmon' => '#e9967a',
'darkseagreen' => '#8fbc8f',
'darkslateblue' => '#483d8b',
'darkslategray' => '#2f4f4f',
'darkslategrey' => '#2f4f4f',
'darkturquoise' => '#00ced1',
'darkviolet' => '#9400d3',
'deeppink' => '#ff1493',
'deepskyblue' => '#00bfff',
'dimgray' => '#696969',
'dimgrey' => '#696969',
'dodgerblue' => '#1e90ff',
'firebrick' => '#b22222',
'floralwhite' => '#fffaf0',
'forestgreen' => '#228b22',
'fuchsia' => '#f0f',
'gainsboro' => '#dcdcdc',
'ghostwhite' => '#f8f8ff',
'gold' => '#ffd700',
'goldenrod' => '#daa520',
'gray' => '#808080',
'green' => '#008000',
'greenyellow' => '#adff2f',
'grey' => '#808080',
'honeydew' => '#f0fff0',
'hotpink' => '#ff69b4',
'indianred' => '#cd5c5c',
'indigo' => '#4b0082',
'ivory' => '#fffff0',
'khaki' => '#f0e68c',
'lavender' => '#e6e6fa',
'lavenderblush' => '#fff0f5',
'lawngreen' => '#7cfc00',
'lemonchiffon' => '#fffacd',
'lightblue' => '#add8e6',
'lightcoral' => '#f08080',
'lightcyan' => '#e0ffff',
'lightgoldenrodyellow' => '#fafad2',
'lightgray' => '#d3d3d3',
'lightgreen' => '#90ee90',
'lightgrey' => '#d3d3d3',
'lightpink' => '#ffb6c1',
'lightsalmon' => '#ffa07a',
'lightseagreen' => '#20b2aa',
'lightskyblue' => '#87cefa',
'lightslategray' => '#789',
'lightslategrey' => '#789',
'lightsteelblue' => '#b0c4de',
'lightyellow' => '#ffffe0',
'lime' => '#0f0',
'limegreen' => '#32cd32',
'linen' => '#faf0e6',
'magenta' => '#f0f',
'maroon' => '#800000',
'mediumaquamarine' => '#66cdaa',
'mediumblue' => '#0000cd',
'mediumorchid' => '#ba55d3',
'mediumpurple' => '#9370db',
'mediumseagreen' => '#3cb371',
'mediumslateblue' => '#7b68ee',
'mediumspringgreen' => '#00fa9a',
'mediumturquoise' => '#48d1cc',
'mediumvioletred' => '#c71585',
'midnightblue' => '#191970',
'mintcream' => '#f5fffa',
'mistyrose' => '#ffe4e1',
'moccasin' => '#ffe4b5',
'navajowhite' => '#ffdead',
'navy' => '#000080',
'oldlace' => '#fdf5e6',
'olive' => '#808000',
'olivedrab' => '#6b8e23',
'orange' => '#ffa500',
'orangered' => '#ff4500',
'orchid' => '#da70d6',
'palegoldenrod' => '#eee8aa',
'palegreen' => '#98fb98',
'paleturquoise' => '#afeeee',
'palevioletred' => '#db7093',
'papayawhip' => '#ffefd5',
'peachpuff' => '#ffdab9',
'peru' => '#cd853f',
'pink' => '#ffc0cb',
'plum' => '#dda0dd',
'powderblue' => '#b0e0e6',
'purple' => '#800080',
'rebeccapurple' => '#639',
'red' => '#f00',
'rosybrown' => '#bc8f8f',
'royalblue' => '#4169e1',
'saddlebrown' => '#8b4513',
'salmon' => '#fa8072',
'sandybrown' => '#f4a460',
'seagreen' => '#2e8b57',
'seashell' => '#fff5ee',
'sienna' => '#a0522d',
'silver' => '#c0c0c0',
'skyblue' => '#87ceeb',
'slateblue' => '#6a5acd',
'slategray' => '#708090',
'slategrey' => '#708090',
'snow' => '#fffafa',
'springgreen' => '#00ff7f',
'steelblue' => '#4682b4',
'tan' => '#d2b48c',
'teal' => '#008080',
'thistle' => '#d8bfd8',
'tomato' => '#ff6347',
'turquoise' => '#40e0d0',
'violet' => '#ee82ee',
'wheat' => '#f5deb3',
'white' => '#fff',
'whitesmoke' => '#f5f5f5',
'yellow' => '#ff0',
'yellowgreen' => '#9acd32'
]);
\define($n . "\\tokens_css_color_hex", \array_flip(tokens_css_color_name));
// <https://drafts.csswg.org/css2#block>
\define($n . "\\token_css_block", '\{(?:' . token_string . '|[^{}]|(?R))*\}');
// <https://drafts.csswg.org/css2#rule-sets>
\define($n . "\\token_css_rules", '(?:\s*(?:' . \implode('|', [
token_css_comment,
token_css_selector_function,
token_css_selector_pseudo,
token_css_selector_attr,
token_css_selector_any,
token_css_selector_at,
token_css_selector_class,
token_css_selector_id,
token_css_selector_element,
token_css_combinator,
'[^{};]'
]) . ')\s*)+\s*' . token_css_block);
// <https://www.w3.org/TR/css-values-4>
\define($n . "\\token_css_unit", '%|Hz|Q|cap|ch|cm|deg|dpcm|dpi|dppx|em|ex|grad|ic|in|kHz|lh|mm|ms|pc|pt|px|rad|rcap|rch|rem|rex|ric|rlh|s|turn|vb|vh|vi|vmax|vmin|vw');
\define($n . "\\token_css_number", token_number . '(?:' . token_css_unit . ')');
\define($n . "\\token_html_name", '[a-z\d][a-z\d:-]*');
\define($n . "\\token_html_comment", '<!--[\s\S]*?-->');
\define($n . "\\token_html_dtd", '<!' . token_html_name . '(?:\s(?:' . token_string . '|[^>])*)?>');
\define($n . "\\token_html_element_end", '</' . token_html_name . '>');
\define($n . "\\token_html_element_start", '<' . token_html_name . '(?:\s(?:' . token_string . '|[^>])*)?>');
\define($n . "\\token_html_pi", '<\?' . token_html_name . '(?:\s(?:' . token_string . '|[^>])*)?\?>');
// Don’t touch HTML content of `<pre>`, `<code>`, `<script>`, `<style>`, `<textarea>` element
\define($n . "\\token_html_element_skip", (static function($tags) {
foreach ($tags as &$tag) {
$tag = '<' . $tag . '(?:\s(?:' . token_string . '|[^>])*)?>[\s\S]*?</' . $tag . '>';
}
unset($tag);
return '(?:' . \implode('|', $tags) . ')';
})(['pre', 'code', 'script', 'style', 'textarea']));
\define($n . "\\token_html_entity", '&(?:[a-z\d]+|#\d+|#x[a-f\d]+);');
\define($n . "\\token_js_comment", token_css_comment);
\define($n . "\\token_js_comment_2", '//[^\n]*');
\define($n . "\\token_js_name", '[a-z$_][a-z$_\d]*');
\define($n . "\\token_js_pattern", '/(?:(?![*+?])(?:[^\n\[/\\\]|\\\.|\[(?:[^\n\]\\\]|\\\.)*\])+)/[gimuy]*');
\define($n . "\\token_js_string", '`(?:[^`\\\]|\\\.)*`');
if(!function_exists('every')){
function every(array $tokens, callable $fn = null, string $in = null, string $flag = 'i') {
if ("" === ($in = \trim($in))) {
return "";
}
$pattern = \strtr('(?:' . \implode(')|(?:', $tokens) . ')', ['/' => "\\/"]);
$chops = \preg_split('/(' . $pattern . ')/' . $flag, $in, null, \PREG_SPLIT_DELIM_CAPTURE | \PREG_SPLIT_NO_EMPTY);
if (!$fn) {
return $chops;
}
$out = "";
while ($chops) {
$chop = \array_shift($chops);
if ("" === ($token = \trim($chop))) {
continue;
}
$out .= $fn($token, $chop);
}
return $out;
}
}
function get_css_rules($token) {
$block = $selector = "";
$m = \preg_split('/(' . token_string . '|[{])/', $token, null, \PREG_SPLIT_DELIM_CAPTURE | \PREG_SPLIT_NO_EMPTY);
while ($m) {
if ('{' === ($v = \array_shift($m))) {
break;
}
$selector .= $v;
}
$selector = \trim($selector);
$block = \trim(\substr(\implode("", $m), 0, -1), ' ;');
return [$selector, $block];
}
function get_css_function($token) {
if (is_token_css_function($token)) {
return \explode('(', \substr($token, 0, -1), 2);
}
return [];
}
function get_html_name($token) {
if (is_token_element($token)) {
$m = \preg_split('/\s+/', \trim(\trim($token, '<>')), 2);
return [$m[0], $m[1] ?? ""];
}
return [];
}
function is_token_boolean($token) {
return 'false' === $token || 'true' === $token;
}
function is_token_element($token) {
return $token && '<' === $token[0] && '>' === \substr($token, -1);
}
function is_token_number($token) {
return \is_numeric($token);
}
function is_token_string($token) {
if ("" === $token) {
return false;
}
return ('"' === $token[0] && '"' === \substr($token, -1) || "'" === $token[0] && "'" === \substr($token, -1));
}
function is_token_css_comment($token) {
return '/*' === \substr($token, 0, 2) && '*/' === \substr($token, -2);
}
function is_token_css_function($token) {
return ')' === \substr($token, -1) && \strpos($token, '(') > 0;
}
function is_token_css_hex($token) {
return '#' === $token[0];
}
function is_token_css_unit($token) {
return (
// `1`
\is_numeric($token) || (
// `1px`
(
'-' === $token[0] || '.' === $token[0] || \is_numeric($token[0])
) && \preg_match('/^' . token_css_number . '$/', $token)
)
);
}
function is_token_html_comment($token) {
return '<!--' === \substr($token, 0, 4) && '-->' === \substr($token, -3);
}
function is_token_html_entity($token) {
return '&' === $token[0] && ';' === \substr($token, -1);
}
function is_token_js_comment($token) {
return 0 === \strpos($token, '//') || '/*' === \substr($token, 0, 2) && '*/' === \substr($token, -2);
}
function is_token_js_pattern($token) {
return '/' === $token[0] && '/' === \substr($token, -1);
}
function is_token_js_string($token) {
return is_token_string($token) || '`' === $token[0] && '`' === \substr($token, -1);
}
function minify_number($token) {
if ('-' === $token[0] && \strlen($token) > 1) {
$number = minify_number(\substr($token, 1));
return '0' === $number ? '0' : '-' . $number;
}
if (\is_numeric($token)) {
if (false !== \strpos($token, '.')) {
// Convert `5.0` to `5.`
// Convert `5.10` to `5.1`
$token = \rtrim($token, '0');
// Convert `5.` to `5`
$token = \rtrim($token, '.');
}
// Convert `0.5` to `.5`
return ('0.' === \substr($token, 0, 2) ? \substr($token, 1) : $token);
}
return $token;
}
function minify_number_long($token) {
// TODO: Convert `1000` to `1e3`
// if ('0' === $token) {
// return $token;
// }
// $x = '-' === $token[0] ? '-' : "";
// <https://stackoverflow.com/a/21417604/1163000>
// $token = (float) ($x ? \substr($token, 1) : $token);
// $exp = \floor(\log($token, 10));
// return $x . \sprintf('%.2fE%+03d', $token / \pow(10, $exp), $exp);
return $token;
}
function minify_css_color($token) {
if (is_token_css_hex($token)) {
$token = \strtolower(\preg_replace('/^#([a-f\d])\1([a-f\d])\2([a-f\d])\3(?:([a-f\d])\4)?$/i', '#$1$2$3$4', $token));
// Remove solid alpha channel from HEX color
if (9 === \strlen($token)) {
if ('ff' === \substr($token, -2)) {
$token = \substr($token, 0, -2);
} else if ('00' === \substr($token, -2)) {
$token = 'transparent';
}
} else if (5 === \strlen($token)) {
if ('f' === \substr($token, -1)) {
$token = \substr($token, 0, -1);
} else if ('0' === \substr($token, -1)) {
$token = 'transparent';
}
}
$v = tokens_css_color_hex[$token] ?? $token;
return $v !== $token && \strlen($v) < \strlen($token) ? $v : $token;
}
$token = \preg_replace('/\s*([(),\/])\s*/', '$1', $token);
if (is_token_css_function($token)) {
if (0 === \strpos($token, 'rgba(')) {
// Remove solid alpha channel from RGB color
if (',1)' === \substr($token, -3) || '/1)' === \substr($token, -3)) {
// Solid alpha channel, convert it to RGB
$hex = minify_css_color($rgb = 'rgb(' . \substr($token, 5, -3) . ')');
return \strlen($hex) < \strlen($rgb) ? $hex : $rgb;
}
if (\preg_match('/^rgba\((\d+)[, ](\d+)[, ](\d+)[,\/](' . token_number . ')\)$/', $token, $m)) {
$hex = minify_css_color(\sprintf("#%02x%02x%02x%02x", $m[1], $m[2], $m[3], ((float) $m[4]) * 255));
return \strlen($hex) < \strlen($token) ? $hex : $token;
}
}
if (0 === \strpos($token, 'rgb(')) {
if (\preg_match('/^rgb\((\d+)[, ](\d+)[, ](\d+)\)$/', $token, $m)) {
$hex = minify_css_color(\sprintf("#%02x%02x%02x", $m[1], $m[2], $m[3]));
return \strlen($hex) < \strlen($token) ? $hex : $token;
}
}
// Assume that any number in other color function(s) can be minified anyway
}
$v = tokens_css_color_name[$token] ?? $token;
return $v !== $token && \strlen($v) < \strlen($token) ? $v : $token;
}
function minify_css_function($token, int $quote = 2) {
if (!$m = get_css_function($token)) {
return $token;
}
$name = $m[0];
$params = $m[1];
$raw = "";
// Prepare to remove quote(s) from string-only argument in function
if ($params && is_token_string($params)) {
$raw = \substr($params, 1, -1);
}
if ('calc' === $name) {
// Only minify the number, do not remove the unit for now. I have no idea how
// this `calc()` thing works in handling the unit(s). As far as I know, the only
// valid unit-less number is when they are used as the divisor/multiplicator.
// We can remove the space between `(` and `)` safely.
$params = \trim(\preg_replace_callback('/' . token_number . '/', static function($m) {
return minify_number($m[0]);
}, $params));
return 'calc(' . \strtr($params, [
'( ' => '(',
' )' => ')'
]) . ')';
}
if ('format' === $name && "" !== $raw) {
// Cannot remove quote(s) from `format()` safely :(
return "format('" . $raw . "')";
}
if ('url' === $name && "" !== $raw) {
// <https://datatracker.ietf.org/doc/html/rfc3986#section-2.2>
// <https://datatracker.ietf.org/doc/html/rfc3986#section-2.3>
if (1 !== $quote && false === \strpos($raw, ' ') && \preg_match('/^[!#$&\'()*+,\-.\/:;=?@\[\]~\w]+$/', $raw)) {
return 'url(' . $raw . ')';
}
return "url('" . $raw . "')";
}
// <https://www.w3.org/TR/css-color-4>
if (false !== \strpos(',color,device-cmyk,hsl,hsla,hwb,lab,lch,rgb,rgba,', ',' . $name . ',')) {
return minify_css_color($token);
}
return $name . '(' . $params . ')';
}
function minify_css_unit($token) {
$number = $token;
$unit = "";
if (!\is_numeric($token) && \preg_match('/^(' . token_number . ')(' . token_css_unit . ')$/i', $token, $m)) {
$number = $m[1];
$unit = $m[2];
}
$number = minify_number($number);
if ('0' === $number) {
// `0%` or `0deg`
if ('%' === $unit || 'deg' === $unit) {
return $number . $unit;
}
return $number;
}
return $number . $unit;
}
function minify_css_values($token, int $quote = 2) {
$token = every([
token_css_comment,
token_css_hex,
token_css_function_url,
token_css_function,
token_string,
token_css_property,
token_css_number,
token_number,
'[;,]'
], static function($token) use($quote) {
if (is_token_css_comment($token)) {
return $token;
}
if ('""' === $token || "''" === $token) {
return '""';
}
if (is_token_string($token)) {
$raw = \substr($token, 1, -1);
return false !== \strpos($raw, "'") ? '"' . $raw . '"' : "'" . $raw . "'";
}
if (is_token_css_hex($token) || isset(tokens_css_color_name[$token])) {
$token = minify_css_color($token);
} else if (is_token_css_function($token)) {
$token = minify_css_function($token, $quote);
} else if (is_token_css_unit($token)) {
$token = minify_css_unit($token);
}
return ' ' . $token . ' '; // Ensure white-space around token!
}, $token);
$token = 'x' . $token . 'x';
$token = every([
token_css_comment,
'\s*' . token_css_function_url . '\s*',
'\s*' . token_css_function . '\s*',
'\s*' . token_string . '\s*',
'[;,/]'
], function($token, $chop) {
if (is_token_css_comment($token) || is_token_string($token) || is_token_css_function($token)) {
return $chop;
}
return $token;
}, $token);
return \substr($token, 1, -1);
}
function minify_css(string $in, int $comment = 2, int $quote = 2) {
if ("" === ($in = \trim($in))) {
return "";
}
$out = every([token_css_comment], static function($token) use($comment) {
if (1 === $comment) {
return $token;
}
if (is_token_css_comment($token)) {
if (2 === $comment) {
if (
// Detect special comment(s) from the third character.
// Should be an `!` or `*` → `/*! asdf */` or `/** asdf */`
isset($token[2]) && false !== \strpos('!*', $token[2]) ||
// Detect license comment(s) from the content phrase.
// It should contains character(s) like `@license`
false !== \strpos($token, '@licence') || // noun
false !== \strpos($token, '@license') || // verb
false !== \strpos($token, '@preserve')
) {
$token = \ltrim(\substr($token, 2, -2), '!*');
return '/*' . \trim(\strtr($token, ['@preserve' => ""])) . '*/';
}
}
return ""; // Remove!
}
return $token;
}, $in);
$out = every([
token_css_rules,
token_css_comment,
'@charset\s+' . token_string . '\s*;',
'@import\s+' . token_string . '[^;]*;',
'@import\s+' . token_css_function_url . '[^;]*;',
], static function($token) use($comment, $quote) {
if (is_token_css_comment($token)) {
return $token; // Keep!
}
// Normalize white-space(s) to a space
$token = \preg_replace('/\s+/', ' ', $token);
// Remove empty selector and rule(s)
if ('{}' === \substr($token, -2) || '{ }' === \substr($token, -3)) {
return "";
}
if ('@' === $token[0]) {
if (0 === \strpos($token, '@charset ')) {
return \strtolower(\strtr($token, "'", '"')); // Force double quote
}
if (';' === \substr($token, -1)) {
return \substr(minify_css(\substr($token, 0, -1) . '{x:x}', $comment, $quote), 0, -5) . ';';
}
[$selector, $block] = get_css_rules($token);
if ('@font-face' === $selector) {
return $selector . \substr(minify_css('x{' . $block . '}', $comment, $quote), 1);
}
$selector = \preg_replace_callback('/((?:[a-z][a-z\d-]*)?)\(\s*((?:' . token_string . '|[^()]|(?R))*)\s*\)/', static function($m) use($comment, $quote) {
if ("" !== $m[1]) {
return minify_css_function($m[0], $quote);
}
return '(' . \substr(minify_css('x{' . $m[2] . '}', $comment, $quote), 2, -1) . ')';
}, $selector);
return $selector . '{' . minify_css($block, $comment, $quote) . '}';
}
if ('}' === \substr($token, -1)) {
[$selector, $block] = get_css_rules($token);
$selector = every([
token_css_comment,
'\s*' . token_css_selector_function . '\s*',
'\s*' . token_css_selector_pseudo . '\s*',
'\s*' . token_css_selector_attr . '\s*',
'\s*' . token_css_selector_any . '\s*',
'\s*' . token_css_selector_class . '\s*',
'\s*' . token_css_selector_id . '\s*',
'\s*' . token_number . '%\s*', // Frame selector denoted in percent unit for `@keyframes`
// '\s*' . token_css_selector_element . '\s*',
token_css_combinator,
'[,]'
], static function($token, $chop) use($comment, $quote) {
if (':' === $token[0]) {
if (')' === \substr($token, -1)) {
return \preg_replace_callback('/\(\s*((?:' . token_string . '|[^()]|(?R))*)\s*\)/', static function($m) use($comment, $quote) {
// Assume that argument(s) of `:foo()` is a complete CSS selector so we can minify it recursively.
// FYI, that `{x:x}` part is a dummy just to make sure that the minifier will not remove the whole rule(s)
// since `x{x:x}` is not considered as a selector with empty rule(s).
return '(' . \substr(minify_css($m[1] . '{x:x}', $comment, $quote), 0, -5) . ')';
}, $chop);
}
return $chop;
}
if ('[' === $token[0] && ']' === \substr($token, -1)) {
return \preg_replace_callback('/=(' . token_string . ')(?:\s*([is]))?(?=\])/i', static function($m) use($quote) {
$token = \substr($m[1], 1, -1);
if ("" === $token) {
return '=""';
}
// <https://mothereff.in/unquoted-attributes>
if (1 !== $quote && \ctype_alpha($token[0]) && \preg_match('/^' . token_css_property . '$/i', $token)) {
return '=' . $token . (isset($m[2]) ? ' ' . $m[2] : "");
}
if (false !== \strpos($token, "'")) {
return '="' . $token . '"' . ($m[2] ?? "");
}
return "='" . $token . "'" . ($m[2] ?? "");
}, $chop);
}
if ('%' === \substr($token, -1)) {
return $token;
}
return $chop;
}, $selector);
$selector = every([
token_string,
token_css_combinator,
'[,]'
], static function($token) {
return $token;
}, $selector);
$property = null; // Store current property
$block = every([
token_css_comment,
token_css_function_url,
token_css_function,
// Match property
token_css_hack . '?' . token_css_property . '\s*:\s*'
// … other must be the value
], static function($token) use(&$property, $quote) {
if (is_token_css_comment($token)) {
return $token;
}
// `margin:`
if (':' === \substr($token, -1)) {
$property = \trim(\substr($token, 0, -1));
return $property . ':';
}
$end = ';' === \substr($token, -1) ? ';' : "";
$token = \rtrim($token, ';'); // Remove semi-colon
if (
'border' === $property ||
'border-radius' === $property ||
'border-width' === $property ||
'outline' === $property
) {
if ('none' === $token) {
return '0' . $end;
}
return minify_css_values($token . $end, $quote);
}
if (
'margin' === $property ||
'padding' === $property
) {
$unit = '(' . token_css_number . '|' . token_number . ')';
// `1px 0 1px 0`
if (\preg_match('/^' . $unit . ' ' . $unit . ' ' . $unit . ' ' . $unit . '$/i', $token, $m)) {
$m[1] = minify_css_unit($m[1]);
$m[2] = minify_css_unit($m[2]);
$m[3] = minify_css_unit($m[3]);
$m[4] = minify_css_unit($m[4]);
if ($m[1] === $m[3] && $m[2] === $m[4] && $m[1] !== $m[2] && $m[3] !== $m[4]) {
// `1px 0`
return $m[1] . ' ' . $m[2] . $end;
}
if ($m[1] === $m[2] && $m[2] === $m[3] && $m[3] === $m[4]) {
// `1px`
return $m[1] . $end;
}
}
// `1px 0 1px`
if (\preg_match('/^' . $unit . ' ' . $unit . ' ' . $unit . '$/i', $token, $m)) {
$m[1] = minify_css_unit($m[1]);
$m[2] = minify_css_unit($m[2]);
$m[3] = minify_css_unit($m[3]);
if ($m[1] === $m[3] && $m[1] !== $m[2]) {
// `1px 0`
return $m[1] . ' ' . $m[2] . $end;
}
if ($m[1] === $m[2] && $m[2] === $m[3]) {
// `1px`
return $m[1] . $end;
}
}
// `1px 0`
if (\preg_match('/^' . $unit . ' ' . $unit . '$/i', $token, $m)) {
$m[1] = minify_css_unit($m[1]);
$m[2] = minify_css_unit($m[2]);
if ($m[1] === $m[2]) {
// `1px`
return $m[1] . $end;
}
}
// `1px`
if (\preg_match('/^' . $unit . '$/i', $token, $m)) {
$m[1] = minify_css_unit($m[1]);
return $m[1] . $end;
}
return minify_css_values($token . $end, $quote);
}
if ('font-weight' === $property) {
return (['bold' => '700', 'normal' => '400'][$token] ?? $token) . $end;
}
// No space, this must be a keyword!
if ("" !== $token && false === \strpos($token, ' ')) {
if (is_token_css_hex($token) || isset(tokens_css_color_name[$token])) {
return minify_css_color($token) . $end;
}
}
$token .= $end; // Restore semi-colon
// Other(s)
return minify_css_values($token, $quote);
}, $block);
// Miscellaneous…
$block = \preg_replace_callback('/(?:' . \strtr(token_css_comment, ['/' => "\\/"]) . '|' . token_string . '|\s*[:;,]\s*)/', static function($m) {
if (is_token_css_comment($m[0]) || is_token_string($m[0])) {
return $m[0];
}
return \trim($m[0]);
}, \trim(\strtr($block, [' ' => ' '])));
return $selector . '{' . $block . '}';
}
return $token;
}, $out);
return $out;
}
function minify_html_content($token, $tag, $fn, int $quote = 2) {
return \preg_replace_callback('/^(\s*)<' . $tag . '(\s(?:' . token_string . '|[^>])*)?>([\s\S]*?)<\/' . $tag . '>(\s*)$/i', static function($m) use($fn, $quote, $tag) {
return $m[1] . minify_html_element('<' . $tag . $m[2] . '>', $quote) . \call_user_func($fn, $m[3]) . '</' . $tag . '>' . $m[4];
}, $token);
}
function minify_html_element($token, int $quote = 2) {
$m = get_html_name($token);
$m[0] = \trim($m[0]);
$m[1] = \trim($m[1]);
$m[1] = every([
token_string,
'\s' . token_html_name
], static function($token, $chop) use($quote) {
if (is_token_string($token)) {
if (1 !== $quote) {
$v = \trim($token, '\'"');
return \preg_match('/^' . token_html_name . '$/', $v) ? $v : $token;
}
return $token;
}
$chop = \preg_replace('/\s+/', ' ', $chop);
return \strtr($chop, [
' ?' => '?',
' /' => '/'
]);
}, $m[1]);
return '<' . $m[0] . ("" !== $m[1] ? ' ' . $m[1] : "") . '>';
}
function minify_html(string $in, int $comment = 2, int $quote = 1) {
if ("" === ($in = \trim($in))) {
return "";
}
$out = every([token_html_comment], static function($token) use($comment) {
if (1 === $comment) {
return $token;
}
if (is_token_html_comment($token)) {
if (2 === $comment) {
if ('<![endif]-->' === \substr($token, -12)) {
return $comment; // Keep legacy IE comment(s)
}
if (
// Detect license comment(s) from the content phrase.
// It should contains character(s) like `@license`
false !== \strpos($token, '@licence') || // noun
false !== \strpos($token, '@license') || // verb
false !== \strpos($token, '@preserve')
) {
$token = \substr($token, 4, -3);
return '<!--' . \trim(\strtr($token, ['@preserve' => ""])) . '-->';
}
}
return ""; // Remove!
}
return $token;
}, $in);
$out = every([
'\s*' . token_html_comment . '\s*',
'\s*' . token_html_dtd . '\s*',
'\s*' . token_html_pi . '\s*',
'\s*' . token_html_element_skip . '\s*',
'\s*' . token_html_element_end . '\s*',
'\s*' . token_html_element_start . '\s*',
'\s*' . token_html_entity . '\s*'
], static function($token, $chop) use($comment, $quote) {
if (is_token_html_comment($token)) {
return $token; // Keep!
}
if (is_token_html_entity($token)) {
return \preg_replace_callback('/(?:' . token_html_entity . '|\s+)/i', static function($m) {
if (is_token_html_entity($m[0])) {
$v = \html_entity_decode($m[0]);
return '&' !== $v && '<' !== $v && '>' !== $v ? $v : $m[0];
}
return ' ';
}, $chop);
}
if ('</pre>' === \substr($token, -6)) {
return \preg_replace_callback('/' . token_html_element_start . '/', static function($m) use($quote) {
return minify_html_element($m[0], $quote);
}, $token);
}
if ('</textarea>' === \substr($token, -11)) {
return \preg_replace_callback('/' . token_html_element_start . '/', static function($m) use($quote) {
return minify_html_element($m[0], $quote);
}, $token);
}
if ('</script>' === \substr($token, -9)) {
return minify_html_content($token, 'script', static function($v) use($comment, $quote, $token) {
if ($m = get_html_name($token)) {
if (false !== \strpos($m[1], 'type=') && \preg_match('/\btype=([\'"]?)application\/(?:ld\+)?json\1/i', $m[1])) {
return minify_json($v, $comment, $quote);
}
}
return minify_js($v, $comment, $quote);
}, $quote);
}
if ('</style>' === \substr($token, -8)) {
return minify_html_content($token, 'style', static function($v) use($comment, $quote) {
return minify_css($v, $comment, $quote);
}, $quote);
}
if (is_token_element($token)) {
if ('</code>' === \substr($token, -7)) {
$chop = minify_html_content($chop, 'code', static function($v) use($comment, $quote) {
return minify_html($v, $comment, $quote);
}, $quote);
} else {
if ('</' === \substr($token, 0, 2)) {
$chop = \ltrim($chop);
} else if ('/>' !== \substr($token, -2)) {
if (false === \strpos(',img,input,', ',' . get_html_name($token)[0] . ',')) {
$chop = \rtrim($chop);
}
}
}
if (' <' === \substr($chop, 0, 2) || '> ' === \substr($chop, -2)) {
return \preg_replace_callback('/<' . token_html_name . '(?:\s(?:' . token_string . '|[^>])*)?>/', static function($m) use($quote) {
return minify_html_element($m[0], $quote);
}, $chop);
}
return minify_html_element($token, $quote);
}
return \preg_replace('/\s+/', ' ', $token);
}, $out);
return $out;
}
function minify_js(string $in, int $comment = 2, int $quote = 2) {
if ("" === ($in = \trim($in))) {
return "";
}
$out = every([
token_js_comment,
token_js_comment_2,
token_string,
token_js_string,
token_js_pattern
], static function($token) use($comment, $quote) {
if (is_token_js_comment($token)) {
if (1 === $comment) {
if (0 === \strpos($token, '//')) {
return '/*' . \trim(\substr($token, 2)) . '*/';
}
return $token;
}
if (2 === $comment) {
if (
// Detect special comment(s) from the third character.
// Should be an `!` or `*` → `/*! asdf */` or `/** asdf */`
isset($token[2]) && false !== \strpos('!*', $token[2]) ||
// Detect license comment(s) from the content phrase.
// It should contains character(s) like `@license`
false !== \strpos($token, '@licence') || // noun
false !== \strpos($token, '@license') || // verb
false !== \strpos($token, '@preserve')
) {
$token = \ltrim(\substr($token, 2, -2), '!*');
$token = \preg_replace('/@preserve\s*/', "", $token);
return '/*' . \trim($token) . '*/';
}
}
return ""; // Remove!
}
return $token;
}, $in);
$out = every([
token_js_comment,
token_js_comment_2,
token_string,
token_js_string,
token_js_pattern,
token_boolean,
token_number,
'\b(?:case|return|typeof|void)\s*(?=[-.\d])',
'[%&()*+,\-/:;<=>?\[\]^{|}]'
], static function($token, $chop) use($comment, $quote) {
if (is_token_js_comment($token) || is_token_js_pattern($token) || is_token_js_string($token)) {
if ('`' === $token[0] && false !== \strpos($token, '${')) {
return \preg_replace_callback('/\$\{\s*((?:' . token_string . '|[^{}]|(?R))*)\s*\}/', static function($m) use($comment, $quote) {
return '${' . minify_js($m[1], $comment, $quote) . '}';
}, $token);
}
return $token;
}
$token = \preg_replace('/\s+/', ' ', $token);
if (is_token_boolean($token)) {
return ['false' => '!1', 'true' => '!0'][$token] ?? $token;
}
if (is_token_number($token)) {
$token = minify_number($token);
$e = minify_number_long($token);
return \strlen($e) < \strlen($token) ? \strtolower($e) : $token;
}
if (
'case ' === $chop ||
'return ' === $chop ||
'typeof ' === $chop ||
'void ' === $chop
) {
return $chop;
}
return $token;
}, $out);
$out = every([
token_js_comment,
token_js_comment_2,
token_js_pattern,
'(?:(?:' . token_js_name . ')|[\]])(?:\[(?:"' . token_js_name . '"|\'' . token_js_name . '\'|`' . token_js_name . '`)\])+',
'(?<=[\s{,])(?:"' . token_js_name . '"|\'' . token_js_name . '\'|`' . token_js_name . '`)\s*:',
token_string,
token_js_string,
'\(\s*' . token_js_name . '\s*\)\s*=>'
], static function($token, $chop) use($quote) {
if (is_token_js_comment($token) || is_token_js_pattern($token) || is_token_js_string($token)) {
return $token;
}
if ('=>' === \substr($token, -2)) {
return \trim(\substr(\trim(\substr($token, 1, -2)), 0, -1)) . '=>';
}
if (1 !== $quote) {
if (('"' === $token[0] || "'" === $token[0]) && ':' === \substr($token, -1)) {
return \trim(\trim(\substr($token, 0, -1)), '\'"') . ':';
}
if (']' === \substr($token, -1) && \preg_match('/^(?:(?:' . token_js_name . ')|[\]])\[/', $token)) {
return \strtr($token, [
"']" => "",
"['" => '.',
'"]' => "",
'["' => '.'
]);
}
}
return \strtr($token, [
',]' => ']',
',}' => '}',
';}' => '}'
]);
}, $out);
return $out;
}
function minify_json(string $in, int $comment = 2, int $quote = 1) {
return \json_encode(\json_decode($in), \JSON_UNESCAPED_SLASHES | \JSON_UNESCAPED_UNICODE);
}
// Based on <https://php.net/manual/en/function.php-strip-whitespace.php#82437>
function minify_php(string $in, int $comment = 2, int $quote = 1) {
$out = "";
$t = [];
// White-space(s) around these token(s) can be removed :)
foreach ([
'AND_EQUAL',
'ARRAY_CAST',
'BOOLEAN_AND',
'BOOLEAN_OR',
'BOOL_CAST',
'COALESCE',
'CONCAT_EQUAL',
'DEC',
'DIV_EQUAL',
'DOLLAR_OPEN_CURLY_BRACES',
'DOUBLE_ARROW',
'DOUBLE_CAST',
'DOUBLE_COLON',
'INC',
'INT_CAST',
'IS_EQUAL',
'IS_GREATER_OR_EQUAL',
'IS_IDENTICAL',
'IS_NOT_EQUAL',
'IS_NOT_IDENTICAL',
'IS_SMALLER_OR_EQUAL',
'MINUS_EQUAL',
'MOD_EQUAL',
'MUL_EQUAL',
'OBJECT_OPERATOR',
'OR_EQUAL',
'PAAMAYIM_NEKUDOTAYIM',
'PLUS_EQUAL',
'POW',
'POW_EQUAL',
'SL',
'SL_EQUAL',
'SPACESHIP',
'SR',
'SR_EQUAL',
'STRING_CAST',
'XOR_EQUAL'
] as $v) {
if (\defined($v = "\\T_" . $v)) {
$t[\constant($v)] = 1;
}
}
$c = \count($toks = \token_get_all($in));
$doc = $skip = false;
$start = $end = null;
for ($i = 0; $i < $c; ++$i) {
$tok = $toks[$i];
if (\is_array($tok)) {
$id = $tok[0];
$token = $tok[1];
if (\T_INLINE_HTML === $id) {
$out .= $token;
$skip = false;
} else {
if (\T_OPEN_TAG === $id) {
$out .= \rtrim($token) . ' ';
$start = \T_OPEN_TAG;
$skip = true;
} else if (\T_OPEN_TAG_WITH_ECHO === $id) {
$out .= $token;
$start = \T_OPEN_TAG_WITH_ECHO;
$skip = true;
} else if (\T_CLOSE_TAG === $id) {
if (\T_OPEN_TAG_WITH_ECHO === $start) {
$out = \rtrim($out, '; ');
} else {
$token = ' ' . $token;
}
$out .= \trim($token);
$start = null;
$skip = false;
} else if (isset($t[$id])) {
$out .= $token;
$skip = true;
} else if (\T_ENCAPSED_AND_WHITESPACE === $id || \T_CONSTANT_ENCAPSED_STRING === $id) {
if ('"' === $token[0]) {
$token = \addcslashes($token, "\n\r\t");
}
$out .= $token;
$skip = true;
} else if (\T_WHITESPACE === $id) {
$n = $toks[$i + 1] ?? null;
if(!$skip && (!\is_string($n) || '$' === $n) && !isset($t[$n[0]])) {
$out .= ' ';
}
$skip = false;
} else if (\T_START_HEREDOC === $id) {
$out .= "<<<S\n";
$skip = false;
$doc = true; // Enter HEREDOC
} else if (\T_END_HEREDOC === $id) {
$out .= "S\n";
$skip = true;
$doc = false; // Exit HEREDOC
for ($j = $i + 1; $j < $c; ++$j) {
if (\is_string($v = $toks[$j])) {
$out .= $v;
if (';' === $v || ',' === $v) {
if ("\nS\n" . $v === \substr($out, -4)) {
$out = \rtrim($out, "\n" . $v) . $v;
if (';' === $v) {
// Prior to PHP 7.3.0, it is very important to note that the line with the closing identifier must
// contain no other characters, except a semicolon (`;`). That means especially that the identifier
// may not be indented, and there may not be any spaces or tabs before or after the semicolon.
// It's also important to realize that the first character before the closing identifier must be a
// newline as defined by the local operating system. This is `\n` on UNIX systems, including macOS.
// The closing delimiter must also be followed by a newline.
//
// <https://www.php.net/manual/en/language.types.string.php#language.types.string.syntax.heredoc>
$out .= "\n";
}
}
$i = $j;
break;
}
} else if (\T_CLOSE_TAG === $v[0]) {
break;
} else {
$out .= \trim($v[1]);
}
}
} else if (\T_COMMENT === $id || \T_DOC_COMMENT === $id) {
if (
1 === $comment || (
2 === $comment && (
// Detect special comment(s) from the third character
// It should be a `!` or `*` → `/*! keep */` or `/** keep */`
!empty($token[2]) && false !== \strpos('!*', $token[2]) ||
// Detect license comment(s) from the content
// It should contains character(s) like `@license`
false !== \strpos($token, '@licence') || // noun
false !== \strpos($token, '@license') || // verb
false !== \strpos($token, '@preserve')
)
)
) {
$token = \ltrim(\substr($token, 2, -2), '!*');
$out .= '/*' . \trim(\strtr($token, ['@preserve' => ""])) . '*/';
}
$skip = true;
} else {
$out .= $token;
$skip = false;
}
}
$end = "";
} else {
if (false === \strpos(';:', $tok) || $end !== $tok) {
$out .= $tok;
$end = $tok;
}
$skip = true;
}
}
$out = every([
'\s*' . token_string . '\s*',
'\s*<\?php echo ',
';\?>\s*'
], static function($token, $chop) {
if (is_token_string($token)) {
return $chop;
}
return \strtr($chop, [
'<?php echo ' => '<?=',
';?>' => '?>'
]);
}, $out);
return $out;
}
} // end namespace
namespace {
function minify_css(...$lot) {
return \x\minify\_\minify_css(...$lot);
}
function minify_html(...$lot) {
return \x\minify\_\minify_html(...$lot);
}
function minify_js(...$lot) {
return \x\minify\_\minify_js(...$lot);
}
function minify_json(...$lot) {
return \x\minify\_\minify_json(...$lot);
}
function minify_php(...$lot) {
return \x\minify\_\minify_php(...$lot);
}
}
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