| 1 | <?php |
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| 2 | |
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| 3 | function wptexturize($text) { |
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| 4 | $output = ""; |
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| 5 | $textarr = preg_split("/(<.*>)/Us", $text, -1, PREG_SPLIT_DELIM_CAPTURE); // capture the tags as well as in between |
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| 6 | $stop = count($textarr); $next = true; // loop stuff |
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| 7 | for ($i = 0; $i < $stop; $i++) { |
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| 8 | $curl = $textarr[$i]; |
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| 9 | |
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| 10 | if (isset($curl{0}) && '<' != $curl{0} && $next) { // If it's not a tag |
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| 11 | $curl = str_replace('---', '—', $curl); |
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| 12 | $curl = str_replace('--', '–', $curl); |
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| 13 | $curl = str_replace("...", '…', $curl); |
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| 14 | $curl = str_replace('``', '“', $curl); |
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| 15 | |
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| 16 | // This is a hack, look at this more later. It works pretty well though. |
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| 17 | $cockney = array("'tain't","'twere","'twas","'tis","'twill","'til","'bout","'nuff","'round"); |
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| 18 | $cockneyreplace = array("’tain’t","’twere","’twas","’tis","’twill","’til","’bout","’nuff","’round"); |
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| 19 | $curl = str_replace($cockney, $cockneyreplace, $curl); |
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| 20 | |
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| 21 | $curl = preg_replace("/'s/", "’s", $curl); |
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| 22 | $curl = preg_replace("/'(\d\d(?:’|')?s)/", "’$1", $curl); |
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| 23 | $curl = preg_replace('/(\s|\A|")\'/', '$1‘', $curl); |
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| 24 | $curl = preg_replace("/(\d+)\"/", "$1″", $curl); |
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| 25 | $curl = preg_replace("/(\d+)'/", "$1′", $curl); |
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| 26 | $curl = preg_replace("/(\S)'([^'\s])/", "$1’$2", $curl); |
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| 27 | $curl = preg_replace('/"([\s.,!?;:&\']|\Z)/', '”$1', $curl); |
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| 28 | $curl = preg_replace('/(\s|\A)"/', '$1“', $curl); |
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| 29 | $curl = preg_replace("/'([\s.]|\Z)/", '’$1', $curl); |
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| 30 | $curl = preg_replace("/\(tm\)/i", '™', $curl); |
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| 31 | $curl = preg_replace("/\(c\)/i", '©', $curl); |
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| 32 | $curl = preg_replace("/\(r\)/i", '®', $curl); |
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| 33 | $curl = preg_replace('/&([^#])(?![a-z]{1,8};)/', '&$1', $curl); |
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| 34 | $curl = str_replace("''", '”', $curl); |
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| 35 | |
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| 36 | $curl = preg_replace('/(d+)x(\d+)/', "$1×$2", $curl); |
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| 37 | |
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| 38 | } elseif (strstr($curl, '<code') || strstr($curl, '<pre') || strstr($curl, '<kbd' || strstr($curl, '<style') || strstr($curl, '<script'))) { |
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| 39 | // strstr is fast |
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| 40 | $next = false; |
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| 41 | } else { |
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| 42 | $next = true; |
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| 43 | } |
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| 44 | $output .= $curl; |
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| 45 | } |
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| 46 | return $output; |
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| 47 | } |
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| 48 | |
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| 49 | function wpautop($pee, $br = 1) { |
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| 50 | $pee = $pee . "\n"; // just to make things a little easier, pad the end |
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| 51 | $pee = preg_replace('|<br />\s*<br />|', "\n\n", $pee); |
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| 52 | $pee = preg_replace('!(<(?:table|tr|td|th|div|dl|dd|dt|ul|ol|li|pre|select|form|blockquote|p|h[1-6])[^>]*>)!', "\n$1", $pee); // Space things out a little |
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| 53 | $pee = preg_replace('!(</(?:table|tr|td|th|div|dl|dd|dt|ul|ol|li|pre|select|form|blockquote|p|h[1-6])>)!', "$1\n", $pee); // Space things out a little |
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| 54 | $pee = preg_replace("/(\r\n|\r)/", "\n", $pee); // cross-platform newlines |
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| 55 | $pee = preg_replace("/\n\n+/", "\n\n", $pee); // take care of duplicates |
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| 56 | $pee = preg_replace('/\n?(.+?)(?:\n\s*\n|\z)/s', "\t<p>$1</p>\n", $pee); // make paragraphs, including one at the end |
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| 57 | $pee = preg_replace('|<p>\s*?</p>|', '', $pee); // under certain strange conditions it could create a P of entirely whitespace |
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| 58 | $pee = preg_replace('!<p>\s*(</?(?:table|tr|td|th|div|dl|dd|dt|ul|ol|li|pre|select|form|blockquote|p|h[1-6])[^>]*>)\s*</p>!', "$1", $pee); // don't pee all over a tag |
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| 59 | $pee = preg_replace("|<p>(<li.+?)</p>|", "$1", $pee); // problem with nested lists |
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| 60 | $pee = preg_replace('|<p><blockquote([^>]*)>|i', "<blockquote$1><p>", $pee); |
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| 61 | $pee = str_replace('</blockquote></p>', '</p></blockquote>', $pee); |
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| 62 | $pee = preg_replace('!<p>\s*(</?(?:table|tr|td|th|div|dl|dd|dt|ul|ol|li|pre|select|form|blockquote|p|h[1-6])[^>]*>)!', "$1", $pee); |
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| 63 | $pee = preg_replace('!(</?(?:table|tr|td|th|div|dl|dd|dt|ul|ol|li|pre|select|form|blockquote|p|h[1-6])[^>]*>)\s*</p>!', "$1", $pee); |
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| 64 | if ($br) $pee = preg_replace('|(?<!<br />)\s*\n|', "<br />\n", $pee); // optionally make line breaks |
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| 65 | $pee = preg_replace('!(</?(?:table|tr|td|th|div|dl|dd|dt|ul|ol|li|pre|select|form|blockquote|p|h[1-6])[^>]*>)\s*<br />!', "$1", $pee); |
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| 66 | $pee = preg_replace('!<br />(\s*</?(?:p|li|div|dl|dd|dt|th|pre|td|ul|ol)>)!', '$1', $pee); |
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| 67 | $pee = preg_replace('/&([^#])(?![a-z]{1,8};)/', '&$1', $pee); |
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| 68 | |
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| 69 | return $pee; |
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| 70 | } |
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| 71 | |
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| 72 | function sanitize_title($title) { |
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| 73 | $title = strtolower($title); |
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| 74 | $title = preg_replace('/&.+?;/', '', $title); // kill entities |
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| 75 | $title = preg_replace('/[^a-z0-9 -]/', '', $title); |
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| 76 | $title = preg_replace('/\s+/', ' ', $title); |
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| 77 | $title = trim($title); |
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| 78 | $title = str_replace(' ', '-', $title); |
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| 79 | $title = preg_replace('|-+|', '-', $title); |
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| 80 | return $title; |
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| 81 | } |
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| 82 | |
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| 83 | function convert_chars($content, $flag='obsolete attribute left there for backwards compatibility') { // html/unicode entities output |
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| 84 | global $use_htmltrans, $wp_htmltrans, $wp_htmltranswinuni; |
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| 85 | |
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| 86 | // removes metadata tags |
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| 87 | $content = preg_replace('/<title>(.+?)<\/title>/','',$content); |
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| 88 | $content = preg_replace('/<category>(.+?)<\/category>/','',$content); |
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| 89 | |
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| 90 | if ($use_htmltrans) { |
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| 91 | // converts lone & characters into & (a.k.a. &) |
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| 92 | $content = preg_replace('/&[^#](?![a-z]*;)/ie', '"&".substr("\0",1)', $content); |
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| 93 | // converts HTML-entities to their display values in order to convert them again later |
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| 94 | $content = preg_replace('/['.chr(127).'-'.chr(255).']/e', '"&#".ord(\'\0\').";"', $content ); |
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| 95 | $content = strtr($content, $wp_htmltrans); |
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| 96 | // now converting: Windows CP1252 => Unicode (valid HTML) |
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| 97 | // (if you've ever pasted text from MSWord, you'll understand) |
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| 98 | $content = strtr($content, $wp_htmltranswinuni); |
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| 99 | } |
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| 100 | |
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| 101 | // you can delete these 2 lines if you don't like <br /> and <hr /> |
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| 102 | $content = str_replace("<br>","<br />",$content); |
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| 103 | $content = str_replace("<hr>","<hr />",$content); |
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| 104 | |
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| 105 | return $content; |
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| 106 | } |
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| 107 | |
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| 108 | /* |
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| 109 | balanceTags |
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| 110 | |
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| 111 | Balances Tags of string using a modified stack. |
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| 112 | |
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| 113 | @param text Text to be balanced |
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| 114 | @return Returns balanced text |
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| 115 | @author Leonard Lin ([email protected]) |
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| 116 | @version v1.1 |
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| 117 | @date November 4, 2001 |
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| 118 | @license GPL v2.0 |
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| 119 | @notes |
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| 120 | @changelog |
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| 121 | 1.2 ***TODO*** Make better - change loop condition to $text |
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| 122 | 1.1 Fixed handling of append/stack pop order of end text |
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| 123 | Added Cleaning Hooks |
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| 124 | 1.0 First Version |
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| 125 | */ |
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| 126 | function balanceTags($text, $is_comment = 0) { |
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| 127 | global $use_balanceTags; |
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| 128 | |
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| 129 | if ($use_balanceTags == 0) { |
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| 130 | return $text; |
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| 131 | } |
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| 132 | |
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| 133 | $tagstack = array(); $stacksize = 0; $tagqueue = ''; $newtext = ''; |
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| 134 | |
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| 135 | # WP bug fix for comments - in case you REALLY meant to type '< !--' |
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| 136 | $text = str_replace('< !--', '< !--', $text); |
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| 137 | # WP bug fix for LOVE <3 (and other situations with '<' before a number) |
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| 138 | $text = preg_replace('#<([0-9]{1})#', '<$1', $text); |
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| 139 | |
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| 140 | while (preg_match("/<(\/?\w*)\s*([^>]*)>/",$text,$regex)) { |
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| 141 | $newtext = $newtext . $tagqueue; |
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| 142 | |
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| 143 | $i = strpos($text,$regex[0]); |
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| 144 | $l = strlen($tagqueue) + strlen($regex[0]); |
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| 145 | |
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| 146 | // clear the shifter |
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| 147 | $tagqueue = ''; |
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| 148 | // Pop or Push |
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| 149 | if ($regex[1][0] == "/") { // End Tag |
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| 150 | $tag = strtolower(substr($regex[1],1)); |
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| 151 | // if too many closing tags |
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| 152 | if($stacksize <= 0) { |
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| 153 | $tag = ''; |
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| 154 | //or close to be safe $tag = '/' . $tag; |
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| 155 | } |
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| 156 | // if stacktop value = tag close value then pop |
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| 157 | else if ($tagstack[$stacksize - 1] == $tag) { // found closing tag |
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| 158 | $tag = '</' . $tag . '>'; // Close Tag |
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| 159 | // Pop |
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| 160 | array_pop ($tagstack); |
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| 161 | $stacksize--; |
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| 162 | } else { // closing tag not at top, search for it |
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| 163 | for ($j=$stacksize-1;$j>=0;$j--) { |
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| 164 | if ($tagstack[$j] == $tag) { |
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| 165 | // add tag to tagqueue |
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| 166 | for ($k=$stacksize-1;$k>=$j;$k--){ |
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| 167 | $tagqueue .= '</' . array_pop ($tagstack) . '>'; |
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| 168 | $stacksize--; |
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| 169 | } |
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| 170 | break; |
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| 171 | } |
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| 172 | } |
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| 173 | $tag = ''; |
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| 174 | } |
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| 175 | } else { // Begin Tag |
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| 176 | $tag = strtolower($regex[1]); |
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| 177 | |
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| 178 | // Tag Cleaning |
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| 179 | |
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| 180 | // Push if not img or br or hr |
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| 181 | if($tag != 'br' && $tag != 'img' && $tag != 'hr') { |
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| 182 | $stacksize = array_push ($tagstack, $tag); |
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| 183 | } |
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| 184 | |
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| 185 | // Attributes |
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| 186 | // $attributes = $regex[2]; |
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| 187 | $attributes = $regex[2]; |
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| 188 | if($attributes) { |
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| 189 | $attributes = ' '.$attributes; |
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| 190 | } |
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| 191 | $tag = '<'.$tag.$attributes.'>'; |
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| 192 | } |
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| 193 | $newtext .= substr($text,0,$i) . $tag; |
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| 194 | $text = substr($text,$i+$l); |
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| 195 | } |
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| 196 | |
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| 197 | // Clear Tag Queue |
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| 198 | $newtext = $newtext . $tagqueue; |
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| 199 | |
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| 200 | // Add Remaining text |
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| 201 | $newtext .= $text; |
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| 202 | |
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| 203 | // Empty Stack |
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| 204 | while($x = array_pop($tagstack)) { |
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| 205 | $newtext = $newtext . '</' . $x . '>'; // Add remaining tags to close |
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| 206 | } |
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| 207 | |
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| 208 | # WP fix for the bug with HTML comments |
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| 209 | $newtext = str_replace("< !--","<!--",$newtext); |
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| 210 | $newtext = str_replace("< !--","< !--",$newtext); |
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| 211 | |
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| 212 | return $newtext; |
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| 213 | } |
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| 214 | |
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| 215 | function autobrize($content) { |
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| 216 | $content = preg_replace("/<br>\n/", "\n", $content); |
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| 217 | $content = preg_replace("/<br \/>\n/", "\n", $content); |
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| 218 | $content = preg_replace("/(\015\012)|(\015)|(\012)/", "<br />\n", $content); |
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| 219 | return $content; |
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| 220 | } |
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| 221 | function unautobrize($content) { |
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| 222 | $content = preg_replace("/<br>\n/", "\n", $content); //for PHP versions before 4.0.5 |
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| 223 | $content = preg_replace("/<br \/>\n/", "\n", $content); |
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| 224 | return $content; |
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| 225 | } |
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| 226 | |
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| 227 | |
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| 228 | function format_to_edit($content) { |
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| 229 | global $autobr; |
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| 230 | $content = stripslashes($content); |
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| 231 | if ($autobr) { $content = unautobrize($content); } |
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| 232 | $content = htmlspecialchars($content); |
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| 233 | return $content; |
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| 234 | } |
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| 235 | function format_to_post($content) { |
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| 236 | global $post_autobr,$comment_autobr; |
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| 237 | $content = addslashes($content); |
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| 238 | if ($post_autobr || $comment_autobr) { $content = autobrize($content); } |
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| 239 | return $content; |
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| 240 | } |
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| 241 | |
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| 242 | function zeroise($number,$threshold) { // function to add leading zeros when necessary |
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| 243 | $l=strlen($number); |
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| 244 | if ($l<$threshold) |
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| 245 | for ($i=0; $i<($threshold-$l); $i=$i+1) { $number='0'.$number; } |
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| 246 | return $number; |
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| 247 | } |
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| 248 | |
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| 249 | |
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| 250 | function backslashit($string) { |
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| 251 | $string = preg_replace('/([a-z])/i', '\\\\\1', $string); |
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| 252 | return $string; |
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| 253 | } |
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| 254 | |
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| 255 | function trailingslashit($string) { |
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| 256 | if ( '/' != substr($string, -1)) { |
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| 257 | $string .= '/'; |
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| 258 | } |
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| 259 | return $string; |
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| 260 | } |
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| 261 | |
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| 262 | function addslashes_gpc($gpc) { |
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| 263 | if (!get_magic_quotes_gpc()) { |
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| 264 | $gpc = addslashes($gpc); |
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| 265 | } |
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| 266 | return $gpc; |
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| 267 | } |
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| 268 | |
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| 269 | function antispambot($emailaddy, $mailto=0) { |
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| 270 | $emailNOSPAMaddy = ''; |
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| 271 | srand ((float) microtime() * 1000000); |
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| 272 | for ($i = 0; $i < strlen($emailaddy); $i = $i + 1) { |
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| 273 | $j = floor(rand(0, 1+$mailto)); |
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| 274 | if ($j==0) { |
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| 275 | $emailNOSPAMaddy .= '&#'.ord(substr($emailaddy,$i,1)).';'; |
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| 276 | } elseif ($j==1) { |
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| 277 | $emailNOSPAMaddy .= substr($emailaddy,$i,1); |
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| 278 | } elseif ($j==2) { |
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| 279 | $emailNOSPAMaddy .= '%'.zeroise(dechex(ord(substr($emailaddy, $i, 1))), 2); |
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| 280 | } |
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| 281 | } |
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| 282 | $emailNOSPAMaddy = str_replace('@','@',$emailNOSPAMaddy); |
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| 283 | return $emailNOSPAMaddy; |
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| 284 | } |
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| 285 | |
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| 286 | function make_clickable($text) { // original function: phpBB, extended here for AIM & ICQ |
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| 287 | $ret = " " . $text; |
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| 288 | $ret = preg_replace("#([\n ])([a-z]+?)://([^, <>{}\n\r]+)#i", "\\1<a href=\"\\2://\\3\" target=\"_blank\">\\2://\\3</a>", $ret); |
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| 289 | $ret = preg_replace("#([\n ])aim:([^,< \n\r]+)#i", "\\1<a href=\"aim:goim?screenname=\\2\\3&message=Hello\">\\2\\3</a>", $ret); |
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| 290 | $ret = preg_replace("#([\n ])icq:([^,< \n\r]+)#i", "\\1<a href=\"http://wwp.icq.com/scripts/search.dll?to=\\2\\3\">\\2\\3</a>", $ret); |
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| 291 | $ret = preg_replace("#([\n ])www\.([a-z0-9\-]+)\.([a-z0-9\-.\~]+)((?:/[^,< \n\r]*)?)#i", "\\1<a href=\"http://www.\\2.\\3\\4\" target=\"_blank\">www.\\2.\\3\\4</a>", $ret); |
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| 292 | $ret = preg_replace("#([\n ])([a-z0-9\-_.]+?)@([^,< \n\r]+)#i", "\\1<a href=\"mailto:\\2@\\3\">\\2@\\3</a>", $ret); |
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| 293 | $ret = substr($ret, 1); |
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| 294 | return $ret; |
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| 295 | } |
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| 296 | |
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| 297 | function convert_bbcode($content) { // depreciated |
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| 298 | return $content; |
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| 299 | } |
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| 300 | |
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| 301 | function convert_bbcode_email($content) { |
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| 302 | global $use_bbcode; |
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| 303 | $bbcode_email["in"] = array( |
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| 304 | '#\[email](.+?)\[/email]#eis', |
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| 305 | '#\[email=(.+?)](.+?)\[/email]#eis' |
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| 306 | ); |
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| 307 | $bbcode_email["out"] = array( |
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| 308 | "'<a href=\"mailto:'.antispambot('\\1').'\">'.antispambot('\\1').'</a>'", // E-mail |
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| 309 | "'<a href=\"mailto:'.antispambot('\\1').'\">\\2</a>'" |
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| 310 | ); |
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| 311 | |
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| 312 | $content = preg_replace($bbcode_email["in"], $bbcode_email["out"], $content); |
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| 313 | return $content; |
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| 314 | } |
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| 315 | |
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| 316 | function convert_gmcode($content) { // depreciated |
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| 317 | return $content; |
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| 318 | } |
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| 319 | |
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| 320 | function convert_smilies($text) { |
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| 321 | global $smilies_directory, $use_smilies; |
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| 322 | global $wp_smiliessearch, $wp_smiliesreplace; |
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| 323 | $output = ''; |
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| 324 | if ($use_smilies) { |
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| 325 | // HTML loop taken from texturize function, could possible be consolidated |
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| 326 | $textarr = preg_split("/(<.*>)/U", $text, -1, PREG_SPLIT_DELIM_CAPTURE); // capture the tags as well as in between |
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| 327 | $stop = count($textarr);// loop stuff |
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| 328 | for ($i = 0; $i < $stop; $i++) { |
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| 329 | $content = $textarr[$i]; |
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| 330 | if ((strlen($content) > 0) && ('<' != $content{0})) { // If it's not a tag |
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| 331 | $content = str_replace($wp_smiliessearch, $wp_smiliesreplace, $content); |
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| 332 | } |
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| 333 | $output .= $content; |
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| 334 | } |
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| 335 | } else { |
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| 336 | // return default text. |
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| 337 | $output = $text; |
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| 338 | } |
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| 339 | return $output; |
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| 340 | } |
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| 341 | |
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| 342 | |
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| 343 | function is_email($user_email) { |
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| 344 | $chars = "/^([a-z0-9_]|\\-|\\.)+@(([a-z0-9_]|\\-)+\\.)+[a-z]{2,4}\$/i"; |
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| 345 | if(strstr($user_email, '@') && strstr($user_email, '.')) { |
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| 346 | if (preg_match($chars, $user_email)) { |
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| 347 | return true; |
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| 348 | } else { |
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| 349 | return false; |
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| 350 | } |
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| 351 | } else { |
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| 352 | return false; |
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| 353 | } |
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| 354 | } |
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| 355 | |
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| 356 | |
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| 357 | function strip_all_but_one_link($text, $mylink) { |
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| 358 | $match_link = '#(<a.+?href.+?'.'>)(.+?)(</a>)#'; |
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| 359 | preg_match_all($match_link, $text, $matches); |
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| 360 | $count = count($matches[0]); |
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| 361 | for ($i=0; $i<$count; $i++) { |
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| 362 | if (!strstr($matches[0][$i], $mylink)) { |
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| 363 | $text = str_replace($matches[0][$i], $matches[2][$i], $text); |
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| 364 | } |
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| 365 | } |
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| 366 | return $text; |
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| 367 | } |
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| 368 | |
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| 369 | |
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| 370 | // used by wp-mail to handle charsets in email subjects |
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| 371 | function wp_iso_descrambler($string) { |
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| 372 | /* this may only work with iso-8859-1, I'm afraid */ |
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| 373 | if (!preg_match('#\=\?(.+)\?Q\?(.+)\?\=#i', $string, $matches)) { |
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| 374 | return $string; |
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| 375 | } else { |
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| 376 | $subject = str_replace('_', ' ', $matches[2]); |
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| 377 | $subject = preg_replace('#\=([0-9a-f]{2})#ei', "chr(hexdec(strtolower('$1')))", $subject); |
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| 378 | return $subject; |
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| 379 | } |
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| 380 | } |
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| 381 | |
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| 382 | |
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| 383 | // give it a date, it will give you the same date as GMT |
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| 384 | function get_gmt_from_date($string) { |
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| 385 | // note: this only substracts $time_difference from the given date |
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| 386 | $time_difference = get_settings('time_difference'); |
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| 387 | 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); |
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| 388 | $string_time = gmmktime($matches[4], $matches[5], $matches[6], $matches[2], $matches[3], $matches[1]); |
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| 389 | $string_gmt = gmdate('Y-m-d H:i:s', $string_time - $time_difference*3600); |
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| 390 | return $string_gmt; |
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| 391 | } |
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| 392 | |
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| 393 | // give it a GMT date, it will give you the same date with $time_difference added |
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| 394 | function get_date_from_gmt($string) { |
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| 395 | // note: this only adds $time_difference to the given date |
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| 396 | $time_difference = get_settings('time_difference'); |
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| 397 | 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); |
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| 398 | $string_time = gmmktime($matches[4], $matches[5], $matches[6], $matches[2], $matches[3], $matches[1]); |
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| 399 | $string_localtime = gmdate('Y-m-d H:i:s', $string_time + $time_difference*3600); |
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| 400 | return $string_localtime; |
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| 401 | } |
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| 402 | |
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| 403 | ?> |
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