1234 lines
40 KiB
PHP
1234 lines
40 KiB
PHP
<?php
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function wptexturize($text) {
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global $wp_cockneyreplace;
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$next = true;
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$output = '';
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$curl = '';
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$textarr = preg_split('/(<.*>)/Us', $text, -1, PREG_SPLIT_DELIM_CAPTURE);
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$stop = count($textarr);
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// if a plugin has provided an autocorrect array, use it
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if ( isset($wp_cockneyreplace) ) {
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$cockney = array_keys($wp_cockneyreplace);
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$cockneyreplace = array_values($wp_cockneyreplace);
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} else {
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$cockney = array("'tain't","'twere","'twas","'tis","'twill","'til","'bout","'nuff","'round","'cause");
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$cockneyreplace = array("’tain’t","’twere","’twas","’tis","’twill","’til","’bout","’nuff","’round","’cause");
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}
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$static_characters = array_merge(array('---', ' -- ', '--', 'xn–', '...', '``', '\'s', '\'\'', ' (tm)'), $cockney);
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$static_replacements = array_merge(array('—', ' — ', '–', 'xn--', '…', '“', '’s', '”', ' ™'), $cockneyreplace);
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$dynamic_characters = array('/\'(\d\d(?:’|\')?s)/', '/(\s|\A|")\'/', '/(\d+)"/', '/(\d+)\'/', '/(\S)\'([^\'\s])/', '/(\s|\A)"(?!\s)/', '/"(\s|\S|\Z)/', '/\'([\s.]|\Z)/', '/(\d+)x(\d+)/');
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$dynamic_replacements = array('’$1','$1‘', '$1″', '$1′', '$1’$2', '$1“$2', '”$1', '’$1', '$1×$2');
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for ( $i = 0; $i < $stop; $i++ ) {
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$curl = $textarr[$i];
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if (isset($curl{0}) && '<' != $curl{0} && $next) { // If it's not a tag
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// static strings
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$curl = str_replace($static_characters, $static_replacements, $curl);
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// regular expressions
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$curl = preg_replace($dynamic_characters, $dynamic_replacements, $curl);
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} elseif (strpos($curl, '<code') !== false || strpos($curl, '<pre') !== false || strpos($curl, '<kbd') !== false || strpos($curl, '<style') !== false || strpos($curl, '<script') !== false) {
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$next = false;
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} else {
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$next = true;
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}
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$curl = preg_replace('/&([^#])(?![a-zA-Z1-4]{1,8};)/', '&$1', $curl);
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$output .= $curl;
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}
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return $output;
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}
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// Accepts matches array from preg_replace_callback in wpautop()
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// or a string
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function clean_pre($matches) {
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if ( is_array($matches) )
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$text = $matches[1] . $matches[2] . "</pre>";
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else
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$text = $matches;
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$text = str_replace('<br />', '', $text);
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$text = str_replace('<p>', "\n", $text);
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$text = str_replace('</p>', '', $text);
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return $text;
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}
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function wpautop($pee, $br = 1) {
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$pee = $pee . "\n"; // just to make things a little easier, pad the end
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$pee = preg_replace('|<br />\s*<br />|', "\n\n", $pee);
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// Space things out a little
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$allblocks = '(?:table|thead|tfoot|caption|colgroup|tbody|tr|td|th|div|dl|dd|dt|ul|ol|li|pre|select|form|map|area|blockquote|address|math|style|input|p|h[1-6]|hr)';
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$pee = preg_replace('!(<' . $allblocks . '[^>]*>)!', "\n$1", $pee);
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$pee = preg_replace('!(</' . $allblocks . '>)!', "$1\n\n", $pee);
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$pee = str_replace(array("\r\n", "\r"), "\n", $pee); // cross-platform newlines
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$pee = preg_replace("/\n\n+/", "\n\n", $pee); // take care of duplicates
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$pee = preg_replace('/\n?(.+?)(?:\n\s*\n|\z)/s', "<p>$1</p>\n", $pee); // make paragraphs, including one at the end
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$pee = preg_replace('|<p>\s*?</p>|', '', $pee); // under certain strange conditions it could create a P of entirely whitespace
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$pee = preg_replace('!<p>([^<]+)\s*?(</(?:div|address|form)[^>]*>)!', "<p>$1</p>$2", $pee);
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$pee = preg_replace( '|<p>|', "$1<p>", $pee );
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$pee = preg_replace('!<p>\s*(</?' . $allblocks . '[^>]*>)\s*</p>!', "$1", $pee); // don't pee all over a tag
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$pee = preg_replace("|<p>(<li.+?)</p>|", "$1", $pee); // problem with nested lists
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$pee = preg_replace('|<p><blockquote([^>]*)>|i', "<blockquote$1><p>", $pee);
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$pee = str_replace('</blockquote></p>', '</p></blockquote>', $pee);
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$pee = preg_replace('!<p>\s*(</?' . $allblocks . '[^>]*>)!', "$1", $pee);
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$pee = preg_replace('!(</?' . $allblocks . '[^>]*>)\s*</p>!', "$1", $pee);
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if ($br) {
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$pee = preg_replace('/<(script|style).*?<\/\\1>/se', 'str_replace("\n", "<WPPreserveNewline />", "\\0")', $pee);
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$pee = preg_replace('|(?<!<br />)\s*\n|', "<br />\n", $pee); // optionally make line breaks
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$pee = str_replace('<WPPreserveNewline />', "\n", $pee);
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}
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$pee = preg_replace('!(</?' . $allblocks . '[^>]*>)\s*<br />!', "$1", $pee);
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$pee = preg_replace('!<br />(\s*</?(?:p|li|div|dl|dd|dt|th|pre|td|ul|ol)[^>]*>)!', '$1', $pee);
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if (strpos($pee, '<pre') !== false)
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$pee = preg_replace_callback('!(<pre.*?>)(.*?)</pre>!is', 'clean_pre', $pee );
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$pee = preg_replace( "|\n</p>$|", '</p>', $pee );
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return $pee;
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}
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function seems_utf8($Str) { # by bmorel at ssi dot fr
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for ($i=0; $i<strlen($Str); $i++) {
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if (ord($Str[$i]) < 0x80) continue; # 0bbbbbbb
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elseif ((ord($Str[$i]) & 0xE0) == 0xC0) $n=1; # 110bbbbb
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elseif ((ord($Str[$i]) & 0xF0) == 0xE0) $n=2; # 1110bbbb
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elseif ((ord($Str[$i]) & 0xF8) == 0xF0) $n=3; # 11110bbb
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elseif ((ord($Str[$i]) & 0xFC) == 0xF8) $n=4; # 111110bb
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elseif ((ord($Str[$i]) & 0xFE) == 0xFC) $n=5; # 1111110b
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else return false; # Does not match any model
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for ($j=0; $j<$n; $j++) { # n bytes matching 10bbbbbb follow ?
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if ((++$i == strlen($Str)) || ((ord($Str[$i]) & 0xC0) != 0x80))
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return false;
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}
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}
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return true;
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}
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function wp_specialchars( $text, $quotes = 0 ) {
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// Like htmlspecialchars except don't double-encode HTML entities
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$text = str_replace('&&', '&&', $text);
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$text = str_replace('&&', '&&', $text);
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$text = preg_replace('/&(?:$|([^#])(?![a-z1-4]{1,8};))/', '&$1', $text);
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$text = str_replace('<', '<', $text);
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$text = str_replace('>', '>', $text);
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if ( 'double' === $quotes ) {
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$text = str_replace('"', '"', $text);
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} elseif ( 'single' === $quotes ) {
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$text = str_replace("'", ''', $text);
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} elseif ( $quotes ) {
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$text = str_replace('"', '"', $text);
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$text = str_replace("'", ''', $text);
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}
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return $text;
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}
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function utf8_uri_encode( $utf8_string, $length = 0 ) {
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$unicode = '';
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$values = array();
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$num_octets = 1;
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for ($i = 0; $i < strlen( $utf8_string ); $i++ ) {
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$value = ord( $utf8_string[ $i ] );
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if ( $value < 128 ) {
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if ( $length && ( strlen($unicode) + 1 > $length ) )
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break;
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$unicode .= chr($value);
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} else {
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if ( count( $values ) == 0 ) $num_octets = ( $value < 224 ) ? 2 : 3;
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$values[] = $value;
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if ( $length && ( (strlen($unicode) + ($num_octets * 3)) > $length ) )
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break;
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if ( count( $values ) == $num_octets ) {
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if ($num_octets == 3) {
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$unicode .= '%' . dechex($values[0]) . '%' . dechex($values[1]) . '%' . dechex($values[2]);
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} else {
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$unicode .= '%' . dechex($values[0]) . '%' . dechex($values[1]);
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}
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$values = array();
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$num_octets = 1;
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}
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}
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}
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return $unicode;
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}
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function remove_accents($string) {
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if ( !preg_match('/[\x80-\xff]/', $string) )
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return $string;
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if (seems_utf8($string)) {
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$chars = array(
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// Decompositions for Latin-1 Supplement
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chr(195).chr(128) => 'A', chr(195).chr(129) => 'A',
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chr(195).chr(130) => 'A', chr(195).chr(131) => 'A',
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chr(195).chr(132) => 'A', chr(195).chr(133) => 'A',
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chr(195).chr(135) => 'C', chr(195).chr(136) => 'E',
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chr(195).chr(137) => 'E', chr(195).chr(138) => 'E',
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chr(195).chr(139) => 'E', chr(195).chr(140) => 'I',
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chr(195).chr(141) => 'I', chr(195).chr(142) => 'I',
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chr(195).chr(143) => 'I', chr(195).chr(145) => 'N',
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chr(195).chr(146) => 'O', chr(195).chr(147) => 'O',
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chr(195).chr(148) => 'O', chr(195).chr(149) => 'O',
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chr(195).chr(150) => 'O', chr(195).chr(153) => 'U',
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chr(195).chr(154) => 'U', chr(195).chr(155) => 'U',
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chr(195).chr(156) => 'U', chr(195).chr(157) => 'Y',
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chr(195).chr(159) => 's', chr(195).chr(160) => 'a',
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chr(195).chr(161) => 'a', chr(195).chr(162) => 'a',
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chr(195).chr(163) => 'a', chr(195).chr(164) => 'a',
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chr(195).chr(165) => 'a', chr(195).chr(167) => 'c',
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chr(195).chr(168) => 'e', chr(195).chr(169) => 'e',
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chr(195).chr(170) => 'e', chr(195).chr(171) => 'e',
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chr(195).chr(172) => 'i', chr(195).chr(173) => 'i',
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chr(195).chr(174) => 'i', chr(195).chr(175) => 'i',
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chr(195).chr(177) => 'n', chr(195).chr(178) => 'o',
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chr(195).chr(179) => 'o', chr(195).chr(180) => 'o',
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chr(195).chr(181) => 'o', chr(195).chr(182) => 'o',
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chr(195).chr(182) => 'o', chr(195).chr(185) => 'u',
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chr(195).chr(186) => 'u', chr(195).chr(187) => 'u',
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chr(195).chr(188) => 'u', chr(195).chr(189) => 'y',
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chr(195).chr(191) => 'y',
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// Decompositions for Latin Extended-A
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chr(196).chr(128) => 'A', chr(196).chr(129) => 'a',
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chr(196).chr(130) => 'A', chr(196).chr(131) => 'a',
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chr(196).chr(132) => 'A', chr(196).chr(133) => 'a',
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chr(196).chr(134) => 'C', chr(196).chr(135) => 'c',
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chr(196).chr(136) => 'C', chr(196).chr(137) => 'c',
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chr(196).chr(138) => 'C', chr(196).chr(139) => 'c',
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chr(196).chr(140) => 'C', chr(196).chr(141) => 'c',
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chr(196).chr(142) => 'D', chr(196).chr(143) => 'd',
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chr(196).chr(144) => 'D', chr(196).chr(145) => 'd',
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chr(196).chr(146) => 'E', chr(196).chr(147) => 'e',
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chr(196).chr(148) => 'E', chr(196).chr(149) => 'e',
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chr(196).chr(150) => 'E', chr(196).chr(151) => 'e',
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chr(196).chr(152) => 'E', chr(196).chr(153) => 'e',
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chr(196).chr(154) => 'E', chr(196).chr(155) => 'e',
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chr(196).chr(156) => 'G', chr(196).chr(157) => 'g',
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chr(196).chr(158) => 'G', chr(196).chr(159) => 'g',
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chr(196).chr(160) => 'G', chr(196).chr(161) => 'g',
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chr(196).chr(162) => 'G', chr(196).chr(163) => 'g',
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chr(196).chr(164) => 'H', chr(196).chr(165) => 'h',
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chr(196).chr(166) => 'H', chr(196).chr(167) => 'h',
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chr(196).chr(168) => 'I', chr(196).chr(169) => 'i',
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chr(196).chr(170) => 'I', chr(196).chr(171) => 'i',
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chr(196).chr(172) => 'I', chr(196).chr(173) => 'i',
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chr(196).chr(174) => 'I', chr(196).chr(175) => 'i',
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chr(196).chr(176) => 'I', chr(196).chr(177) => 'i',
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chr(196).chr(178) => 'IJ',chr(196).chr(179) => 'ij',
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chr(196).chr(180) => 'J', chr(196).chr(181) => 'j',
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chr(196).chr(182) => 'K', chr(196).chr(183) => 'k',
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chr(196).chr(184) => 'k', chr(196).chr(185) => 'L',
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chr(196).chr(186) => 'l', chr(196).chr(187) => 'L',
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chr(196).chr(188) => 'l', chr(196).chr(189) => 'L',
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chr(196).chr(190) => 'l', chr(196).chr(191) => 'L',
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chr(197).chr(128) => 'l', chr(197).chr(129) => 'L',
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chr(197).chr(130) => 'l', chr(197).chr(131) => 'N',
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chr(197).chr(132) => 'n', chr(197).chr(133) => 'N',
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chr(197).chr(134) => 'n', chr(197).chr(135) => 'N',
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chr(197).chr(136) => 'n', chr(197).chr(137) => 'N',
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chr(197).chr(138) => 'n', chr(197).chr(139) => 'N',
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chr(197).chr(140) => 'O', chr(197).chr(141) => 'o',
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chr(197).chr(142) => 'O', chr(197).chr(143) => 'o',
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chr(197).chr(144) => 'O', chr(197).chr(145) => 'o',
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chr(197).chr(146) => 'OE',chr(197).chr(147) => 'oe',
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chr(197).chr(148) => 'R',chr(197).chr(149) => 'r',
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chr(197).chr(150) => 'R',chr(197).chr(151) => 'r',
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chr(197).chr(152) => 'R',chr(197).chr(153) => 'r',
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chr(197).chr(154) => 'S',chr(197).chr(155) => 's',
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chr(197).chr(156) => 'S',chr(197).chr(157) => 's',
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chr(197).chr(158) => 'S',chr(197).chr(159) => 's',
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chr(197).chr(160) => 'S', chr(197).chr(161) => 's',
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chr(197).chr(162) => 'T', chr(197).chr(163) => 't',
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chr(197).chr(164) => 'T', chr(197).chr(165) => 't',
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chr(197).chr(166) => 'T', chr(197).chr(167) => 't',
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chr(197).chr(168) => 'U', chr(197).chr(169) => 'u',
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chr(197).chr(170) => 'U', chr(197).chr(171) => 'u',
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chr(197).chr(172) => 'U', chr(197).chr(173) => 'u',
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chr(197).chr(174) => 'U', chr(197).chr(175) => 'u',
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chr(197).chr(176) => 'U', chr(197).chr(177) => 'u',
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chr(197).chr(178) => 'U', chr(197).chr(179) => 'u',
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chr(197).chr(180) => 'W', chr(197).chr(181) => 'w',
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chr(197).chr(182) => 'Y', chr(197).chr(183) => 'y',
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chr(197).chr(184) => 'Y', chr(197).chr(185) => 'Z',
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chr(197).chr(186) => 'z', chr(197).chr(187) => 'Z',
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chr(197).chr(188) => 'z', chr(197).chr(189) => 'Z',
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chr(197).chr(190) => 'z', chr(197).chr(191) => 's',
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// Euro Sign
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chr(226).chr(130).chr(172) => 'E',
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// GBP (Pound) Sign
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chr(194).chr(163) => '');
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$string = strtr($string, $chars);
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} else {
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// Assume ISO-8859-1 if not UTF-8
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$chars['in'] = chr(128).chr(131).chr(138).chr(142).chr(154).chr(158)
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.chr(159).chr(162).chr(165).chr(181).chr(192).chr(193).chr(194)
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.chr(195).chr(196).chr(197).chr(199).chr(200).chr(201).chr(202)
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.chr(203).chr(204).chr(205).chr(206).chr(207).chr(209).chr(210)
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.chr(211).chr(212).chr(213).chr(214).chr(216).chr(217).chr(218)
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.chr(219).chr(220).chr(221).chr(224).chr(225).chr(226).chr(227)
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.chr(228).chr(229).chr(231).chr(232).chr(233).chr(234).chr(235)
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.chr(236).chr(237).chr(238).chr(239).chr(241).chr(242).chr(243)
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.chr(244).chr(245).chr(246).chr(248).chr(249).chr(250).chr(251)
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.chr(252).chr(253).chr(255);
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$chars['out'] = "EfSZszYcYuAAAAAACEEEEIIIINOOOOOOUUUUYaaaaaaceeeeiiiinoooooouuuuyy";
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$string = strtr($string, $chars['in'], $chars['out']);
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$double_chars['in'] = array(chr(140), chr(156), chr(198), chr(208), chr(222), chr(223), chr(230), chr(240), chr(254));
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$double_chars['out'] = array('OE', 'oe', 'AE', 'DH', 'TH', 'ss', 'ae', 'dh', 'th');
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$string = str_replace($double_chars['in'], $double_chars['out'], $string);
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}
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return $string;
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}
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function sanitize_file_name( $name ) { // Like sanitize_title, but with periods
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$name = strtolower( $name );
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$name = preg_replace('/&.+?;/', '', $name); // kill entities
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$name = str_replace( '_', '-', $name );
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$name = preg_replace('/[^a-z0-9\s-.]/', '', $name);
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$name = preg_replace('/\s+/', '-', $name);
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$name = preg_replace('|-+|', '-', $name);
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$name = trim($name, '-');
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return $name;
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}
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function sanitize_user( $username, $strict = false ) {
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$raw_username = $username;
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$username = strip_tags($username);
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// Kill octets
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$username = preg_replace('|%([a-fA-F0-9][a-fA-F0-9])|', '', $username);
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$username = preg_replace('/&.+?;/', '', $username); // Kill entities
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// If strict, reduce to ASCII for max portability.
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if ( $strict )
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$username = preg_replace('|[^a-z0-9 _.\-@]|i', '', $username);
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return apply_filters('sanitize_user', $username, $raw_username, $strict);
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}
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function sanitize_title($title, $fallback_title = '') {
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$title = strip_tags($title);
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$title = apply_filters('sanitize_title', $title);
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if (empty($title)) {
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$title = $fallback_title;
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}
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return $title;
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}
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function sanitize_title_with_dashes($title) {
|
|
$title = strip_tags($title);
|
|
// Preserve escaped octets.
|
|
$title = preg_replace('|%([a-fA-F0-9][a-fA-F0-9])|', '---$1---', $title);
|
|
// Remove percent signs that are not part of an octet.
|
|
$title = str_replace('%', '', $title);
|
|
// Restore octets.
|
|
$title = preg_replace('|---([a-fA-F0-9][a-fA-F0-9])---|', '%$1', $title);
|
|
|
|
$title = remove_accents($title);
|
|
if (seems_utf8($title)) {
|
|
if (function_exists('mb_strtolower')) {
|
|
$title = mb_strtolower($title, 'UTF-8');
|
|
}
|
|
$title = utf8_uri_encode($title, 200);
|
|
}
|
|
|
|
$title = strtolower($title);
|
|
$title = preg_replace('/&.+?;/', '', $title); // kill entities
|
|
$title = preg_replace('/[^%a-z0-9 _-]/', '', $title);
|
|
$title = preg_replace('/\s+/', '-', $title);
|
|
$title = preg_replace('|-+|', '-', $title);
|
|
$title = trim($title, '-');
|
|
|
|
return $title;
|
|
}
|
|
|
|
function convert_chars($content, $flag = 'obsolete') {
|
|
// Translation of invalid Unicode references range to valid range
|
|
$wp_htmltranswinuni = array(
|
|
'€' => '€', // the Euro sign
|
|
'' => '',
|
|
'‚' => '‚', // these are Windows CP1252 specific characters
|
|
'ƒ' => 'ƒ', // they would look weird on non-Windows browsers
|
|
'„' => '„',
|
|
'…' => '…',
|
|
'†' => '†',
|
|
'‡' => '‡',
|
|
'ˆ' => 'ˆ',
|
|
'‰' => '‰',
|
|
'Š' => 'Š',
|
|
'‹' => '‹',
|
|
'Œ' => 'Œ',
|
|
'' => '',
|
|
'Ž' => 'ž',
|
|
'' => '',
|
|
'' => '',
|
|
'‘' => '‘',
|
|
'’' => '’',
|
|
'“' => '“',
|
|
'”' => '”',
|
|
'•' => '•',
|
|
'–' => '–',
|
|
'—' => '—',
|
|
'˜' => '˜',
|
|
'™' => '™',
|
|
'š' => 'š',
|
|
'›' => '›',
|
|
'œ' => 'œ',
|
|
'' => '',
|
|
'ž' => '',
|
|
'Ÿ' => 'Ÿ'
|
|
);
|
|
|
|
// Remove metadata tags
|
|
$content = preg_replace('/<title>(.+?)<\/title>/','',$content);
|
|
$content = preg_replace('/<category>(.+?)<\/category>/','',$content);
|
|
|
|
// Converts lone & characters into & (a.k.a. &)
|
|
$content = preg_replace('/&([^#])(?![a-z1-4]{1,8};)/i', '&$1', $content);
|
|
|
|
// Fix Word pasting
|
|
$content = strtr($content, $wp_htmltranswinuni);
|
|
|
|
// Just a little XHTML help
|
|
$content = str_replace('<br>', '<br />', $content);
|
|
$content = str_replace('<hr>', '<hr />', $content);
|
|
|
|
return $content;
|
|
}
|
|
|
|
function funky_javascript_fix($text) {
|
|
// Fixes for browsers' javascript bugs
|
|
global $is_macIE, $is_winIE;
|
|
|
|
if ( $is_winIE || $is_macIE )
|
|
$text = preg_replace("/\%u([0-9A-F]{4,4})/e", "'&#'.base_convert('\\1',16,10).';'", $text);
|
|
|
|
return $text;
|
|
}
|
|
|
|
function balanceTags( $text, $force = false ) {
|
|
if ( !$force && get_option('use_balanceTags') == 0 )
|
|
return $text;
|
|
return force_balance_tags( $text );
|
|
}
|
|
|
|
/*
|
|
force_balance_tags
|
|
|
|
Balances Tags of string using a modified stack.
|
|
|
|
@param text Text to be balanced
|
|
@param force Forces balancing, ignoring the value of the option
|
|
@return Returns balanced text
|
|
@author Leonard Lin (leonard@acm.org)
|
|
@version v1.1
|
|
@date November 4, 2001
|
|
@license GPL v2.0
|
|
@notes
|
|
@changelog
|
|
--- Modified by Scott Reilly (coffee2code) 02 Aug 2004
|
|
1.2 ***TODO*** Make better - change loop condition to $text
|
|
1.1 Fixed handling of append/stack pop order of end text
|
|
Added Cleaning Hooks
|
|
1.0 First Version
|
|
*/
|
|
function force_balance_tags( $text ) {
|
|
$tagstack = array(); $stacksize = 0; $tagqueue = ''; $newtext = '';
|
|
$single_tags = array('br', 'hr', 'img', 'input'); //Known single-entity/self-closing tags
|
|
$nestable_tags = array('blockquote', 'div', 'span'); //Tags that can be immediately nested within themselves
|
|
|
|
# WP bug fix for comments - in case you REALLY meant to type '< !--'
|
|
$text = str_replace('< !--', '< !--', $text);
|
|
# WP bug fix for LOVE <3 (and other situations with '<' before a number)
|
|
$text = preg_replace('#<([0-9]{1})#', '<$1', $text);
|
|
|
|
while (preg_match("/<(\/?\w*)\s*([^>]*)>/",$text,$regex)) {
|
|
$newtext .= $tagqueue;
|
|
|
|
$i = strpos($text,$regex[0]);
|
|
$l = strlen($regex[0]);
|
|
|
|
// clear the shifter
|
|
$tagqueue = '';
|
|
// Pop or Push
|
|
if ($regex[1][0] == "/") { // End Tag
|
|
$tag = strtolower(substr($regex[1],1));
|
|
// if too many closing tags
|
|
if($stacksize <= 0) {
|
|
$tag = '';
|
|
//or close to be safe $tag = '/' . $tag;
|
|
}
|
|
// if stacktop value = tag close value then pop
|
|
else if ($tagstack[$stacksize - 1] == $tag) { // found closing tag
|
|
$tag = '</' . $tag . '>'; // Close Tag
|
|
// Pop
|
|
array_pop ($tagstack);
|
|
$stacksize--;
|
|
} else { // closing tag not at top, search for it
|
|
for ($j=$stacksize-1;$j>=0;$j--) {
|
|
if ($tagstack[$j] == $tag) {
|
|
// add tag to tagqueue
|
|
for ($k=$stacksize-1;$k>=$j;$k--){
|
|
$tagqueue .= '</' . array_pop ($tagstack) . '>';
|
|
$stacksize--;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
$tag = '';
|
|
}
|
|
} else { // Begin Tag
|
|
$tag = strtolower($regex[1]);
|
|
|
|
// Tag Cleaning
|
|
|
|
// If self-closing or '', don't do anything.
|
|
if((substr($regex[2],-1) == '/') || ($tag == '')) {
|
|
}
|
|
// ElseIf it's a known single-entity tag but it doesn't close itself, do so
|
|
elseif ( in_array($tag, $single_tags) ) {
|
|
$regex[2] .= '/';
|
|
} else { // Push the tag onto the stack
|
|
// If the top of the stack is the same as the tag we want to push, close previous tag
|
|
if (($stacksize > 0) && !in_array($tag, $nestable_tags) && ($tagstack[$stacksize - 1] == $tag)) {
|
|
$tagqueue = '</' . array_pop ($tagstack) . '>';
|
|
$stacksize--;
|
|
}
|
|
$stacksize = array_push ($tagstack, $tag);
|
|
}
|
|
|
|
// Attributes
|
|
$attributes = $regex[2];
|
|
if($attributes) {
|
|
$attributes = ' '.$attributes;
|
|
}
|
|
$tag = '<'.$tag.$attributes.'>';
|
|
//If already queuing a close tag, then put this tag on, too
|
|
if ($tagqueue) {
|
|
$tagqueue .= $tag;
|
|
$tag = '';
|
|
}
|
|
}
|
|
$newtext .= substr($text,0,$i) . $tag;
|
|
$text = substr($text,$i+$l);
|
|
}
|
|
|
|
// Clear Tag Queue
|
|
$newtext .= $tagqueue;
|
|
|
|
// Add Remaining text
|
|
$newtext .= $text;
|
|
|
|
// Empty Stack
|
|
while($x = array_pop($tagstack)) {
|
|
$newtext .= '</' . $x . '>'; // Add remaining tags to close
|
|
}
|
|
|
|
// WP fix for the bug with HTML comments
|
|
$newtext = str_replace("< !--","<!--",$newtext);
|
|
$newtext = str_replace("< !--","< !--",$newtext);
|
|
|
|
return $newtext;
|
|
}
|
|
|
|
function format_to_edit($content, $richedit = false) {
|
|
$content = apply_filters('format_to_edit', $content);
|
|
if (! $richedit )
|
|
$content = htmlspecialchars($content);
|
|
return $content;
|
|
}
|
|
|
|
function format_to_post($content) {
|
|
global $wpdb;
|
|
$content = apply_filters('format_to_post', $content);
|
|
return $content;
|
|
}
|
|
|
|
function zeroise($number,$threshold) { // function to add leading zeros when necessary
|
|
return sprintf('%0'.$threshold.'s', $number);
|
|
}
|
|
|
|
|
|
function backslashit($string) {
|
|
$string = preg_replace('/^([0-9])/', '\\\\\\\\\1', $string);
|
|
$string = preg_replace('/([a-z])/i', '\\\\\1', $string);
|
|
return $string;
|
|
}
|
|
|
|
function trailingslashit($string) {
|
|
return untrailingslashit($string) . '/';
|
|
}
|
|
|
|
function untrailingslashit($string) {
|
|
return rtrim($string, '/');
|
|
}
|
|
|
|
function addslashes_gpc($gpc) {
|
|
global $wpdb;
|
|
|
|
if (get_magic_quotes_gpc()) {
|
|
$gpc = stripslashes($gpc);
|
|
}
|
|
|
|
return $wpdb->escape($gpc);
|
|
}
|
|
|
|
|
|
function stripslashes_deep($value) {
|
|
$value = is_array($value) ?
|
|
array_map('stripslashes_deep', $value) :
|
|
stripslashes($value);
|
|
|
|
return $value;
|
|
}
|
|
|
|
function urlencode_deep($value) {
|
|
$value = is_array($value) ?
|
|
array_map('urlencode_deep', $value) :
|
|
urlencode($value);
|
|
|
|
return $value;
|
|
}
|
|
|
|
function antispambot($emailaddy, $mailto=0) {
|
|
$emailNOSPAMaddy = '';
|
|
srand ((float) microtime() * 1000000);
|
|
for ($i = 0; $i < strlen($emailaddy); $i = $i + 1) {
|
|
$j = floor(rand(0, 1+$mailto));
|
|
if ($j==0) {
|
|
$emailNOSPAMaddy .= '&#'.ord(substr($emailaddy,$i,1)).';';
|
|
} elseif ($j==1) {
|
|
$emailNOSPAMaddy .= substr($emailaddy,$i,1);
|
|
} elseif ($j==2) {
|
|
$emailNOSPAMaddy .= '%'.zeroise(dechex(ord(substr($emailaddy, $i, 1))), 2);
|
|
}
|
|
}
|
|
$emailNOSPAMaddy = str_replace('@','@',$emailNOSPAMaddy);
|
|
return $emailNOSPAMaddy;
|
|
}
|
|
|
|
function make_clickable($ret) {
|
|
$ret = ' ' . $ret;
|
|
// in testing, using arrays here was found to be faster
|
|
$ret = preg_replace(
|
|
array(
|
|
'#([\s>])([\w]+?://[\w\#$%&~/.\-;:=,?@\[\]+]*)#is',
|
|
'#([\s>])((www|ftp)\.[\w\#$%&~/.\-;:=,?@\[\]+]*)#is',
|
|
'#([\s>])([a-z0-9\-_.]+)@([^,< \n\r]+)#i'),
|
|
array(
|
|
'$1<a href="$2" rel="nofollow">$2</a>',
|
|
'$1<a href="http://$2" rel="nofollow">$2</a>',
|
|
'$1<a href="mailto:$2@$3">$2@$3</a>'),$ret);
|
|
// this one is not in an array because we need it to run last, for cleanup of accidental links within links
|
|
$ret = preg_replace("#(<a( [^>]+?>|>))<a [^>]+?>([^>]+?)</a></a>#i", "$1$3</a>", $ret);
|
|
$ret = trim($ret);
|
|
return $ret;
|
|
}
|
|
|
|
function wp_rel_nofollow( $text ) {
|
|
global $wpdb;
|
|
// This is a pre save filter, so text is already escaped.
|
|
$text = stripslashes($text);
|
|
$text = preg_replace_callback('|<a (.+?)>|i', 'wp_rel_nofollow_callback', $text);
|
|
$text = $wpdb->escape($text);
|
|
return $text;
|
|
}
|
|
|
|
function wp_rel_nofollow_callback( $matches ) {
|
|
$text = $matches[1];
|
|
$text = str_replace(array(' rel="nofollow"', " rel='nofollow'"), '', $text);
|
|
return "<a $text rel=\"nofollow\">";
|
|
}
|
|
|
|
function convert_smilies($text) {
|
|
global $wp_smiliessearch, $wp_smiliesreplace;
|
|
$output = '';
|
|
if (get_option('use_smilies')) {
|
|
// HTML loop taken from texturize function, could possible be consolidated
|
|
$textarr = preg_split("/(<.*>)/U", $text, -1, PREG_SPLIT_DELIM_CAPTURE); // capture the tags as well as in between
|
|
$stop = count($textarr);// loop stuff
|
|
for ($i = 0; $i < $stop; $i++) {
|
|
$content = $textarr[$i];
|
|
if ((strlen($content) > 0) && ('<' != $content{0})) { // If it's not a tag
|
|
$content = preg_replace($wp_smiliessearch, $wp_smiliesreplace, $content);
|
|
}
|
|
$output .= $content;
|
|
}
|
|
} else {
|
|
// return default text.
|
|
$output = $text;
|
|
}
|
|
return $output;
|
|
}
|
|
|
|
|
|
function is_email($user_email) {
|
|
$chars = "/^([a-z0-9+_]|\\-|\\.)+@(([a-z0-9_]|\\-)+\\.)+[a-z]{2,6}\$/i";
|
|
if (strpos($user_email, '@') !== false && strpos($user_email, '.') !== false) {
|
|
if (preg_match($chars, $user_email)) {
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// used by wp-mail to handle charsets in email subjects
|
|
function wp_iso_descrambler($string) {
|
|
/* this may only work with iso-8859-1, I'm afraid */
|
|
if (!preg_match('#\=\?(.+)\?Q\?(.+)\?\=#i', $string, $matches)) {
|
|
return $string;
|
|
} else {
|
|
$subject = str_replace('_', ' ', $matches[2]);
|
|
$subject = preg_replace('#\=([0-9a-f]{2})#ei', "chr(hexdec(strtolower('$1')))", $subject);
|
|
return $subject;
|
|
}
|
|
}
|
|
|
|
|
|
// give it a date, it will give you the same date as GMT
|
|
function get_gmt_from_date($string) {
|
|
// note: this only substracts $time_difference from the given date
|
|
preg_match('#([0-9]{1,4})-([0-9]{1,2})-([0-9]{1,2}) ([0-9]{1,2}):([0-9]{1,2}):([0-9]{1,2})#', $string, $matches);
|
|
$string_time = gmmktime($matches[4], $matches[5], $matches[6], $matches[2], $matches[3], $matches[1]);
|
|
$string_gmt = gmdate('Y-m-d H:i:s', $string_time - get_option('gmt_offset') * 3600);
|
|
return $string_gmt;
|
|
}
|
|
|
|
// give it a GMT date, it will give you the same date with $time_difference added
|
|
function get_date_from_gmt($string) {
|
|
// note: this only adds $time_difference to the given date
|
|
preg_match('#([0-9]{1,4})-([0-9]{1,2})-([0-9]{1,2}) ([0-9]{1,2}):([0-9]{1,2}):([0-9]{1,2})#', $string, $matches);
|
|
$string_time = gmmktime($matches[4], $matches[5], $matches[6], $matches[2], $matches[3], $matches[1]);
|
|
$string_localtime = gmdate('Y-m-d H:i:s', $string_time + get_option('gmt_offset')*3600);
|
|
return $string_localtime;
|
|
}
|
|
|
|
// computes an offset in seconds from an iso8601 timezone
|
|
function iso8601_timezone_to_offset($timezone) {
|
|
// $timezone is either 'Z' or '[+|-]hhmm'
|
|
if ($timezone == 'Z') {
|
|
$offset = 0;
|
|
} else {
|
|
$sign = (substr($timezone, 0, 1) == '+') ? 1 : -1;
|
|
$hours = intval(substr($timezone, 1, 2));
|
|
$minutes = intval(substr($timezone, 3, 4)) / 60;
|
|
$offset = $sign * 3600 * ($hours + $minutes);
|
|
}
|
|
return $offset;
|
|
}
|
|
|
|
// converts an iso8601 date to MySQL DateTime format used by post_date[_gmt]
|
|
function iso8601_to_datetime($date_string, $timezone = USER) {
|
|
if ($timezone == GMT) {
|
|
preg_match('#([0-9]{4})([0-9]{2})([0-9]{2})T([0-9]{2}):([0-9]{2}):([0-9]{2})(Z|[\+|\-][0-9]{2,4}){0,1}#', $date_string, $date_bits);
|
|
if (!empty($date_bits[7])) { // we have a timezone, so let's compute an offset
|
|
$offset = iso8601_timezone_to_offset($date_bits[7]);
|
|
} else { // we don't have a timezone, so we assume user local timezone (not server's!)
|
|
$offset = 3600 * get_option('gmt_offset');
|
|
}
|
|
$timestamp = gmmktime($date_bits[4], $date_bits[5], $date_bits[6], $date_bits[2], $date_bits[3], $date_bits[1]);
|
|
$timestamp -= $offset;
|
|
return gmdate('Y-m-d H:i:s', $timestamp);
|
|
} elseif ($timezone == USER) {
|
|
return preg_replace('#([0-9]{4})([0-9]{2})([0-9]{2})T([0-9]{2}):([0-9]{2}):([0-9]{2})(Z|[\+|\-][0-9]{2,4}){0,1}#', '$1-$2-$3 $4:$5:$6', $date_string);
|
|
}
|
|
}
|
|
|
|
function popuplinks($text) {
|
|
// Comment text in popup windows should be filtered through this.
|
|
// Right now it's a moderately dumb function, ideally it would detect whether
|
|
// a target or rel attribute was already there and adjust its actions accordingly.
|
|
$text = preg_replace('/<a (.+?)>/i', "<a $1 target='_blank' rel='external'>", $text);
|
|
return $text;
|
|
}
|
|
|
|
function sanitize_email($email) {
|
|
return preg_replace('/[^a-z0-9+_.@-]/i', '', $email);
|
|
}
|
|
|
|
function human_time_diff( $from, $to = '' ) {
|
|
if ( empty($to) )
|
|
$to = time();
|
|
$diff = (int) abs($to - $from);
|
|
if ($diff <= 3600) {
|
|
$mins = round($diff / 60);
|
|
if ($mins <= 1) {
|
|
$mins = 1;
|
|
}
|
|
$since = sprintf(__ngettext('%s min', '%s mins', $mins), $mins);
|
|
} else if (($diff <= 86400) && ($diff > 3600)) {
|
|
$hours = round($diff / 3600);
|
|
if ($hours <= 1) {
|
|
$hour = 1;
|
|
}
|
|
$since = sprintf(__ngettext('%s hour', '%s hours', $hours), $hours);
|
|
} elseif ($diff >= 86400) {
|
|
$days = round($diff / 86400);
|
|
if ($days <= 1) {
|
|
$days = 1;
|
|
}
|
|
$since = sprintf(__ngettext('%s day', '%s days', $days), $days);
|
|
}
|
|
return $since;
|
|
}
|
|
|
|
function wp_trim_excerpt($text) { // Fakes an excerpt if needed
|
|
global $post;
|
|
if ( '' == $text ) {
|
|
$text = get_the_content('');
|
|
$text = apply_filters('the_content', $text);
|
|
$text = str_replace(']]>', ']]>', $text);
|
|
$text = strip_tags($text);
|
|
$excerpt_length = 55;
|
|
$words = explode(' ', $text, $excerpt_length + 1);
|
|
if (count($words) > $excerpt_length) {
|
|
array_pop($words);
|
|
array_push($words, '[...]');
|
|
$text = implode(' ', $words);
|
|
}
|
|
}
|
|
return $text;
|
|
}
|
|
|
|
function ent2ncr($text) {
|
|
$to_ncr = array(
|
|
'"' => '"',
|
|
'&' => '&',
|
|
'⁄' => '/',
|
|
'<' => '<',
|
|
'>' => '>',
|
|
'|' => '|',
|
|
' ' => ' ',
|
|
'¡' => '¡',
|
|
'¢' => '¢',
|
|
'£' => '£',
|
|
'¤' => '¤',
|
|
'¥' => '¥',
|
|
'¦' => '¦',
|
|
'&brkbar;' => '¦',
|
|
'§' => '§',
|
|
'¨' => '¨',
|
|
'¨' => '¨',
|
|
'©' => '©',
|
|
'ª' => 'ª',
|
|
'«' => '«',
|
|
'¬' => '¬',
|
|
'­' => '­',
|
|
'®' => '®',
|
|
'¯' => '¯',
|
|
'&hibar;' => '¯',
|
|
'°' => '°',
|
|
'±' => '±',
|
|
'²' => '²',
|
|
'³' => '³',
|
|
'´' => '´',
|
|
'µ' => 'µ',
|
|
'¶' => '¶',
|
|
'·' => '·',
|
|
'¸' => '¸',
|
|
'¹' => '¹',
|
|
'º' => 'º',
|
|
'»' => '»',
|
|
'¼' => '¼',
|
|
'½' => '½',
|
|
'¾' => '¾',
|
|
'¿' => '¿',
|
|
'À' => 'À',
|
|
'Á' => 'Á',
|
|
'Â' => 'Â',
|
|
'Ã' => 'Ã',
|
|
'Ä' => 'Ä',
|
|
'Å' => 'Å',
|
|
'Æ' => 'Æ',
|
|
'Ç' => 'Ç',
|
|
'È' => 'È',
|
|
'É' => 'É',
|
|
'Ê' => 'Ê',
|
|
'Ë' => 'Ë',
|
|
'Ì' => 'Ì',
|
|
'Í' => 'Í',
|
|
'Î' => 'Î',
|
|
'Ï' => 'Ï',
|
|
'Ð' => 'Ð',
|
|
'Ñ' => 'Ñ',
|
|
'Ò' => 'Ò',
|
|
'Ó' => 'Ó',
|
|
'Ô' => 'Ô',
|
|
'Õ' => 'Õ',
|
|
'Ö' => 'Ö',
|
|
'×' => '×',
|
|
'Ø' => 'Ø',
|
|
'Ù' => 'Ù',
|
|
'Ú' => 'Ú',
|
|
'Û' => 'Û',
|
|
'Ü' => 'Ü',
|
|
'Ý' => 'Ý',
|
|
'Þ' => 'Þ',
|
|
'ß' => 'ß',
|
|
'à' => 'à',
|
|
'á' => 'á',
|
|
'â' => 'â',
|
|
'ã' => 'ã',
|
|
'ä' => 'ä',
|
|
'å' => 'å',
|
|
'æ' => 'æ',
|
|
'ç' => 'ç',
|
|
'è' => 'è',
|
|
'é' => 'é',
|
|
'ê' => 'ê',
|
|
'ë' => 'ë',
|
|
'ì' => 'ì',
|
|
'í' => 'í',
|
|
'î' => 'î',
|
|
'ï' => 'ï',
|
|
'ð' => 'ð',
|
|
'ñ' => 'ñ',
|
|
'ò' => 'ò',
|
|
'ó' => 'ó',
|
|
'ô' => 'ô',
|
|
'õ' => 'õ',
|
|
'ö' => 'ö',
|
|
'÷' => '÷',
|
|
'ø' => 'ø',
|
|
'ù' => 'ù',
|
|
'ú' => 'ú',
|
|
'û' => 'û',
|
|
'ü' => 'ü',
|
|
'ý' => 'ý',
|
|
'þ' => 'þ',
|
|
'ÿ' => 'ÿ',
|
|
'Œ' => 'Œ',
|
|
'œ' => 'œ',
|
|
'Š' => 'Š',
|
|
'š' => 'š',
|
|
'Ÿ' => 'Ÿ',
|
|
'ƒ' => 'ƒ',
|
|
'ˆ' => 'ˆ',
|
|
'˜' => '˜',
|
|
'Α' => 'Α',
|
|
'Β' => 'Β',
|
|
'Γ' => 'Γ',
|
|
'Δ' => 'Δ',
|
|
'Ε' => 'Ε',
|
|
'Ζ' => 'Ζ',
|
|
'Η' => 'Η',
|
|
'Θ' => 'Θ',
|
|
'Ι' => 'Ι',
|
|
'Κ' => 'Κ',
|
|
'Λ' => 'Λ',
|
|
'Μ' => 'Μ',
|
|
'Ν' => 'Ν',
|
|
'Ξ' => 'Ξ',
|
|
'Ο' => 'Ο',
|
|
'Π' => 'Π',
|
|
'Ρ' => 'Ρ',
|
|
'Σ' => 'Σ',
|
|
'Τ' => 'Τ',
|
|
'Υ' => 'Υ',
|
|
'Φ' => 'Φ',
|
|
'Χ' => 'Χ',
|
|
'Ψ' => 'Ψ',
|
|
'Ω' => 'Ω',
|
|
'α' => 'α',
|
|
'β' => 'β',
|
|
'γ' => 'γ',
|
|
'δ' => 'δ',
|
|
'ε' => 'ε',
|
|
'ζ' => 'ζ',
|
|
'η' => 'η',
|
|
'θ' => 'θ',
|
|
'ι' => 'ι',
|
|
'κ' => 'κ',
|
|
'λ' => 'λ',
|
|
'μ' => 'μ',
|
|
'ν' => 'ν',
|
|
'ξ' => 'ξ',
|
|
'ο' => 'ο',
|
|
'π' => 'π',
|
|
'ρ' => 'ρ',
|
|
'ς' => 'ς',
|
|
'σ' => 'σ',
|
|
'τ' => 'τ',
|
|
'υ' => 'υ',
|
|
'φ' => 'φ',
|
|
'χ' => 'χ',
|
|
'ψ' => 'ψ',
|
|
'ω' => 'ω',
|
|
'ϑ' => 'ϑ',
|
|
'ϒ' => 'ϒ',
|
|
'ϖ' => 'ϖ',
|
|
' ' => ' ',
|
|
' ' => ' ',
|
|
' ' => ' ',
|
|
'‌' => '‌',
|
|
'‍' => '‍',
|
|
'‎' => '‎',
|
|
'‏' => '‏',
|
|
'–' => '–',
|
|
'—' => '—',
|
|
'‘' => '‘',
|
|
'’' => '’',
|
|
'‚' => '‚',
|
|
'“' => '“',
|
|
'”' => '”',
|
|
'„' => '„',
|
|
'†' => '†',
|
|
'‡' => '‡',
|
|
'•' => '•',
|
|
'…' => '…',
|
|
'‰' => '‰',
|
|
'′' => '′',
|
|
'″' => '″',
|
|
'‹' => '‹',
|
|
'›' => '›',
|
|
'‾' => '‾',
|
|
'⁄' => '⁄',
|
|
'€' => '€',
|
|
'ℑ' => 'ℑ',
|
|
'℘' => '℘',
|
|
'ℜ' => 'ℜ',
|
|
'™' => '™',
|
|
'ℵ' => 'ℵ',
|
|
'↵' => '↵',
|
|
'⇐' => '⇐',
|
|
'⇑' => '⇑',
|
|
'⇒' => '⇒',
|
|
'⇓' => '⇓',
|
|
'⇔' => '⇔',
|
|
'∀' => '∀',
|
|
'∂' => '∂',
|
|
'∃' => '∃',
|
|
'∅' => '∅',
|
|
'∇' => '∇',
|
|
'∈' => '∈',
|
|
'∉' => '∉',
|
|
'∋' => '∋',
|
|
'∏' => '∏',
|
|
'∑' => '∑',
|
|
'−' => '−',
|
|
'∗' => '∗',
|
|
'√' => '√',
|
|
'∝' => '∝',
|
|
'∞' => '∞',
|
|
'∠' => '∠',
|
|
'∧' => '∧',
|
|
'∨' => '∨',
|
|
'∩' => '∩',
|
|
'∪' => '∪',
|
|
'∫' => '∫',
|
|
'∴' => '∴',
|
|
'∼' => '∼',
|
|
'≅' => '≅',
|
|
'≈' => '≈',
|
|
'≠' => '≠',
|
|
'≡' => '≡',
|
|
'≤' => '≤',
|
|
'≥' => '≥',
|
|
'⊂' => '⊂',
|
|
'⊃' => '⊃',
|
|
'⊄' => '⊄',
|
|
'⊆' => '⊆',
|
|
'⊇' => '⊇',
|
|
'⊕' => '⊕',
|
|
'⊗' => '⊗',
|
|
'⊥' => '⊥',
|
|
'⋅' => '⋅',
|
|
'⌈' => '⌈',
|
|
'⌉' => '⌉',
|
|
'⌊' => '⌊',
|
|
'⌋' => '⌋',
|
|
'⟨' => '〈',
|
|
'⟩' => '〉',
|
|
'←' => '←',
|
|
'↑' => '↑',
|
|
'→' => '→',
|
|
'↓' => '↓',
|
|
'↔' => '↔',
|
|
'◊' => '◊',
|
|
'♠' => '♠',
|
|
'♣' => '♣',
|
|
'♥' => '♥',
|
|
'♦' => '♦'
|
|
);
|
|
|
|
return str_replace( array_keys($to_ncr), array_values($to_ncr), $text );
|
|
}
|
|
|
|
function wp_richedit_pre($text) {
|
|
// Filtering a blank results in an annoying <br />\n
|
|
if ( empty($text) ) return apply_filters('richedit_pre', '');
|
|
|
|
$output = $text;
|
|
$output = convert_chars($output);
|
|
$output = wpautop($output);
|
|
|
|
// These must be double-escaped or planets will collide.
|
|
$output = str_replace('<', '&lt;', $output);
|
|
$output = str_replace('>', '&gt;', $output);
|
|
|
|
return apply_filters('richedit_pre', $output);
|
|
}
|
|
|
|
function clean_url( $url, $protocols = null ) {
|
|
$original_url = $url;
|
|
|
|
if ('' == $url) return $url;
|
|
$url = preg_replace('|[^a-z0-9-~+_.?#=!&;,/:%@]|i', '', $url);
|
|
$strip = array('%0d', '%0a');
|
|
$url = str_replace($strip, '', $url);
|
|
$url = str_replace(';//', '://', $url);
|
|
/* If the URL doesn't appear to contain a scheme, we
|
|
* presume it needs http:// appended (unless a relative
|
|
* link starting with / or a php file).
|
|
*/
|
|
if ( strpos($url, ':') === false &&
|
|
substr( $url, 0, 1 ) != '/' && !preg_match('/^[a-z0-9-]+?\.php/i', $url) )
|
|
$url = 'http://' . $url;
|
|
|
|
$url = preg_replace('/&([^#])(?![a-z]{2,8};)/', '&$1', $url);
|
|
if ( !is_array($protocols) )
|
|
$protocols = array('http', 'https', 'ftp', 'ftps', 'mailto', 'news', 'irc', 'gopher', 'nntp', 'feed', 'telnet');
|
|
if ( wp_kses_bad_protocol( $url, $protocols ) != $url )
|
|
return '';
|
|
|
|
return apply_filters('clean_url', $url, $original_url);
|
|
}
|
|
|
|
// Borrowed from the PHP Manual user notes. Convert entities, while
|
|
// preserving already-encoded entities:
|
|
function htmlentities2($myHTML) {
|
|
$translation_table=get_html_translation_table (HTML_ENTITIES,ENT_QUOTES);
|
|
$translation_table[chr(38)] = '&';
|
|
return preg_replace("/&(?![A-Za-z]{0,4}\w{2,3};|#[0-9]{2,3};)/","&" , strtr($myHTML, $translation_table));
|
|
}
|
|
|
|
// Escape single quotes, specialchar double quotes, and fix line endings.
|
|
function js_escape($text) {
|
|
$safe_text = wp_specialchars($text, 'double');
|
|
$safe_text = preg_replace('/&#(x)?0*(?(1)27|39);?/i', "'", stripslashes($safe_text));
|
|
$safe_text = preg_replace("/\r?\n/", "\\n", addslashes($safe_text));
|
|
return apply_filters('js_escape', $safe_text, $text);
|
|
}
|
|
|
|
// Escaping for HTML attributes
|
|
function attribute_escape($text) {
|
|
$safe_text = wp_specialchars($text, true);
|
|
return apply_filters('attribute_escape', $safe_text, $text);
|
|
}
|
|
|
|
function wp_make_link_relative( $link ) {
|
|
return preg_replace('|https?://[^/]+(/.*)|i', '$1', $link );
|
|
}
|
|
|
|
function sanitize_option($option, $value) { // Remember to call stripslashes!
|
|
|
|
switch ($option) {
|
|
case 'admin_email':
|
|
$value = sanitize_email($value);
|
|
break;
|
|
|
|
case 'default_post_edit_rows':
|
|
case 'mailserver_port':
|
|
case 'comment_max_links':
|
|
case 'page_on_front':
|
|
case 'rss_excerpt_length':
|
|
case 'default_category':
|
|
case 'default_email_category':
|
|
case 'default_link_category':
|
|
$value = abs((int) $value);
|
|
break;
|
|
|
|
case 'posts_per_page':
|
|
case 'posts_per_rss':
|
|
$value = (int) $value;
|
|
if ( empty($value) ) $value = 1;
|
|
if ( $value < -1 ) $value = abs($value);
|
|
break;
|
|
|
|
case 'default_ping_status':
|
|
case 'default_comment_status':
|
|
// Options that if not there have 0 value but need to be something like "closed"
|
|
if ( $value == '0' || $value == '')
|
|
$value = 'closed';
|
|
break;
|
|
|
|
case 'blogdescription':
|
|
case 'blogname':
|
|
$value = addslashes($value);
|
|
$value = wp_filter_post_kses( $value ); // calls stripslashes then addslashes
|
|
$value = stripslashes($value);
|
|
$value = wp_specialchars( $value );
|
|
break;
|
|
|
|
case 'blog_charset':
|
|
$value = preg_replace('/[^a-zA-Z0-9_-]/', '', $value); // strips slashes
|
|
break;
|
|
|
|
case 'date_format':
|
|
case 'time_format':
|
|
case 'mailserver_url':
|
|
case 'mailserver_login':
|
|
case 'mailserver_pass':
|
|
case 'ping_sites':
|
|
case 'upload_path':
|
|
$value = strip_tags($value);
|
|
$value = addslashes($value);
|
|
$value = wp_filter_kses($value); // calls stripslashes then addslashes
|
|
$value = stripslashes($value);
|
|
break;
|
|
|
|
case 'gmt_offset':
|
|
$value = preg_replace('/[^0-9:.-]/', '', $value); // strips slashes
|
|
break;
|
|
|
|
case 'siteurl':
|
|
case 'home':
|
|
$value = stripslashes($value);
|
|
$value = clean_url($value);
|
|
break;
|
|
default :
|
|
$value = apply_filters("sanitize_option_{$option}", $value, $option);
|
|
break;
|
|
}
|
|
|
|
return $value;
|
|
}
|
|
|
|
function wp_parse_str( $string, &$array ) {
|
|
parse_str( $string, $array );
|
|
if ( get_magic_quotes_gpc() )
|
|
$array = stripslashes_deep( $array ); // parse_str() adds slashes if magicquotes is on. See: http://php.net/parse_str
|
|
$array = apply_filters( 'wp_parse_str', $array );
|
|
}
|
|
|
|
// Convert lone less than signs. KSES already converts lone greater than signs.
|
|
function wp_pre_kses_less_than( $text ) {
|
|
return preg_replace_callback('%<[^>]*?((?=<)|>|$)%', 'wp_pre_kses_less_than_callback', $text);
|
|
}
|
|
|
|
function wp_pre_kses_less_than_callback( $matches ) {
|
|
if ( false === strpos($matches[0], '>') )
|
|
return wp_specialchars($matches[0]);
|
|
return $matches[0];
|
|
}
|
|
|
|
?>
|