3 function wptexturize($text) {
5 // Capture tags and everything inside them
6 $textarr = preg_split("/(<.*>)/Us", $text, -1, PREG_SPLIT_DELIM_CAPTURE);
7 $stop = count($textarr); $next = true; // loop stuff
8 for ($i = 0; $i < $stop; $i++) {
11 if (isset($curl{0}) && '<' != $curl{0} && $next) { // If it's not a tag
12 $curl = str_replace('---', '—', $curl);
13 $curl = str_replace(' -- ', ' — ', $curl);
14 $curl = str_replace('--', '–', $curl);
15 $curl = str_replace('xn–', 'xn--', $curl);
16 $curl = str_replace('...', '…', $curl);
17 $curl = str_replace('``', '“', $curl);
19 // This is a hack, look at this more later. It works pretty well though.
20 $cockney = array("'tain't","'twere","'twas","'tis","'twill","'til","'bout","'nuff","'round","'cause");
21 $cockneyreplace = array("’tain’t","’twere","’twas","’tis","’twill","’til","’bout","’nuff","’round","’cause");
22 $curl = str_replace($cockney, $cockneyreplace, $curl);
24 $curl = preg_replace("/'s/", '’s', $curl);
25 $curl = preg_replace("/'(\d\d(?:’|')?s)/", "’$1", $curl);
26 $curl = preg_replace('/(\s|\A|")\'/', '$1‘', $curl);
27 $curl = preg_replace('/(\d+)"/', '$1″', $curl);
28 $curl = preg_replace("/(\d+)'/", '$1′', $curl);
29 $curl = preg_replace("/(\S)'([^'\s])/", "$1’$2", $curl);
30 $curl = preg_replace('/(\s|\A)"(?!\s)/', '$1“$2', $curl);
31 $curl = preg_replace('/"(\s|\S|\Z)/', '”$1', $curl);
32 $curl = preg_replace("/'([\s.]|\Z)/", '’$1', $curl);
33 $curl = preg_replace("/ \(tm\)/i", ' ™', $curl);
34 $curl = str_replace("''", '”', $curl);
36 $curl = preg_replace('/(\d+)x(\d+)/', "$1×$2", $curl);
38 } elseif (strstr($curl, '<code') || strstr($curl, '<pre') || strstr($curl, '<kbd' || strstr($curl, '<style') || strstr($curl, '<script'))) {
44 $curl = preg_replace('/&([^#])(?![a-zA-Z1-4]{1,8};)/', '&$1', $curl);
50 function clean_pre($text) {
51 $text = str_replace('<br />', '', $text);
52 $text = str_replace('<p>', "\n", $text);
53 $text = str_replace('</p>', '', $text);
57 function wpautop($pee, $br = 1) {
58 $pee = $pee . "\n"; // just to make things a little easier, pad the end
59 $pee = preg_replace('|<br />\s*<br />|', "\n\n", $pee);
60 // Space things out a little
61 $pee = preg_replace('!(<(?:table|thead|tfoot|caption|colgroup|tbody|tr|td|th|div|dl|dd|dt|ul|ol|li|pre|select|form|blockquote|address|math|p|h[1-6])[^>]*>)!', "\n$1", $pee);
62 $pee = preg_replace('!(</(?:table|thead|tfoot|caption|colgroup|tbody|tr|td|th|div|dl|dd|dt|ul|ol|li|pre|select|form|blockquote|address|math|p|h[1-6])>)!', "$1\n\n", $pee);
63 $pee = str_replace(array("\r\n", "\r"), "\n", $pee); // cross-platform newlines
64 $pee = preg_replace("/\n\n+/", "\n\n", $pee); // take care of duplicates
65 $pee = preg_replace('/\n?(.+?)(?:\n\s*\n|\z)/s', "<p>$1</p>\n", $pee); // make paragraphs, including one at the end
66 $pee = preg_replace('|<p>\s*?</p>|', '', $pee); // under certain strange conditions it could create a P of entirely whitespace
67 $pee = preg_replace('!<p>\s*(</?(?:table|thead|tfoot|caption|colgroup|tbody|tr|td|th|div|dl|dd|dt|ul|ol|li|hr|pre|select|form|blockquote|address|math|p|h[1-6])[^>]*>)\s*</p>!', "$1", $pee); // don't pee all over a tag
68 $pee = preg_replace("|<p>(<li.+?)</p>|", "$1", $pee); // problem with nested lists
69 $pee = preg_replace('|<p><blockquote([^>]*)>|i', "<blockquote$1><p>", $pee);
70 $pee = str_replace('</blockquote></p>', '</p></blockquote>', $pee);
71 $pee = preg_replace('!<p>\s*(</?(?:table|thead|tfoot|caption|colgroup|tbody|tr|td|th|div|dl|dd|dt|ul|ol|li|hr|pre|select|form|blockquote|address|math|p|h[1-6])[^>]*>)!', "$1", $pee);
72 $pee = preg_replace('!(</?(?:table|thead|tfoot|caption|colgroup|tbody|tr|td|th|div|dl|dd|dt|ul|ol|li|pre|select|form|blockquote|address|math|p|h[1-6])[^>]*>)\s*</p>!', "$1", $pee);
73 if ($br) $pee = preg_replace('|(?<!<br />)\s*\n|', "<br />\n", $pee); // optionally make line breaks
74 $pee = preg_replace('!(</?(?:table|thead|tfoot|caption|tbody|tr|td|th|div|dl|dd|dt|ul|ol|li|pre|select|form|blockquote|address|math|p|h[1-6])[^>]*>)\s*<br />!', "$1", $pee);
75 $pee = preg_replace('!<br />(\s*</?(?:p|li|div|dl|dd|dt|th|pre|td|ul|ol)>)!', '$1', $pee);
76 $pee = preg_replace('!(<pre.*?>)(.*?)</pre>!ise', " stripslashes('$1') . stripslashes(clean_pre('$2')) . '</pre>' ", $pee);
82 function seems_utf8($Str) { # by bmorel at ssi dot fr
83 for ($i=0; $i<strlen($Str); $i++) {
84 if (ord($Str[$i]) < 0x80) continue; # 0bbbbbbb
85 elseif ((ord($Str[$i]) & 0xE0) == 0xC0) $n=1; # 110bbbbb
86 elseif ((ord($Str[$i]) & 0xF0) == 0xE0) $n=2; # 1110bbbb
87 elseif ((ord($Str[$i]) & 0xF8) == 0xF0) $n=3; # 11110bbb
88 elseif ((ord($Str[$i]) & 0xFC) == 0xF8) $n=4; # 111110bb
89 elseif ((ord($Str[$i]) & 0xFE) == 0xFC) $n=5; # 1111110b
90 else return false; # Does not match any model
91 for ($j=0; $j<$n; $j++) { # n bytes matching 10bbbbbb follow ?
92 if ((++$i == strlen($Str)) || ((ord($Str[$i]) & 0xC0) != 0x80))
99 function wp_specialchars( $text, $quotes = 0 ) {
100 // Like htmlspecialchars except don't double-encode HTML entities
101 $text = preg_replace('/&([^#])(?![a-z1-4]{1,8};)/', '&$1', $text);
102 $text = str_replace('<', '<', $text);
103 $text = str_replace('>', '>', $text);
104 if ( 'double' === $quotes ) {
105 $text = str_replace('"', '"', $text);
106 } elseif ( 'single' === $quotes ) {
107 $text = str_replace("'", ''', $text);
108 } elseif ( $quotes ) {
109 $text = str_replace('"', '"', $text);
110 $text = str_replace("'", ''', $text);
115 function utf8_uri_encode( $utf8_string ) {
120 for ($i = 0; $i < strlen( $utf8_string ); $i++ ) {
122 $value = ord( $utf8_string[ $i ] );
124 if ( $value < 128 ) {
125 $unicode .= chr($value);
127 if ( count( $values ) == 0 ) $num_octets = ( $value < 224 ) ? 2 : 3;
131 if ( count( $values ) == $num_octets ) {
132 if ($num_octets == 3) {
133 $unicode .= '%' . dechex($values[0]) . '%' . dechex($values[1]) . '%' . dechex($values[2]);
135 $unicode .= '%' . dechex($values[0]) . '%' . dechex($values[1]);
147 function remove_accents($string) {
148 if ( !preg_match('/[\x80-\xff]/', $string) )
151 if (seems_utf8($string)) {
153 // Decompositions for Latin-1 Supplement
154 chr(195).chr(128) => 'A', chr(195).chr(129) => 'A',
155 chr(195).chr(130) => 'A', chr(195).chr(131) => 'A',
156 chr(195).chr(132) => 'A', chr(195).chr(133) => 'A',
157 chr(195).chr(135) => 'C', chr(195).chr(136) => 'E',
158 chr(195).chr(137) => 'E', chr(195).chr(138) => 'E',
159 chr(195).chr(139) => 'E', chr(195).chr(140) => 'I',
160 chr(195).chr(141) => 'I', chr(195).chr(142) => 'I',
161 chr(195).chr(143) => 'I', chr(195).chr(145) => 'N',
162 chr(195).chr(146) => 'O', chr(195).chr(147) => 'O',
163 chr(195).chr(148) => 'O', chr(195).chr(149) => 'O',
164 chr(195).chr(150) => 'O', chr(195).chr(153) => 'U',
165 chr(195).chr(154) => 'U', chr(195).chr(155) => 'U',
166 chr(195).chr(156) => 'U', chr(195).chr(157) => 'Y',
167 chr(195).chr(159) => 's', chr(195).chr(160) => 'a',
168 chr(195).chr(161) => 'a', chr(195).chr(162) => 'a',
169 chr(195).chr(163) => 'a', chr(195).chr(164) => 'a',
170 chr(195).chr(165) => 'a', chr(195).chr(167) => 'c',
171 chr(195).chr(168) => 'e', chr(195).chr(169) => 'e',
172 chr(195).chr(170) => 'e', chr(195).chr(171) => 'e',
173 chr(195).chr(172) => 'i', chr(195).chr(173) => 'i',
174 chr(195).chr(174) => 'i', chr(195).chr(175) => 'i',
175 chr(195).chr(177) => 'n', chr(195).chr(178) => 'o',
176 chr(195).chr(179) => 'o', chr(195).chr(180) => 'o',
177 chr(195).chr(181) => 'o', chr(195).chr(182) => 'o',
178 chr(195).chr(182) => 'o', chr(195).chr(185) => 'u',
179 chr(195).chr(186) => 'u', chr(195).chr(187) => 'u',
180 chr(195).chr(188) => 'u', chr(195).chr(189) => 'y',
181 chr(195).chr(191) => 'y',
182 // Decompositions for Latin Extended-A
183 chr(196).chr(128) => 'A', chr(196).chr(129) => 'a',
184 chr(196).chr(130) => 'A', chr(196).chr(131) => 'a',
185 chr(196).chr(132) => 'A', chr(196).chr(133) => 'a',
186 chr(196).chr(134) => 'C', chr(196).chr(135) => 'c',
187 chr(196).chr(136) => 'C', chr(196).chr(137) => 'c',
188 chr(196).chr(138) => 'C', chr(196).chr(139) => 'c',
189 chr(196).chr(140) => 'C', chr(196).chr(141) => 'c',
190 chr(196).chr(142) => 'D', chr(196).chr(143) => 'd',
191 chr(196).chr(144) => 'D', chr(196).chr(145) => 'd',
192 chr(196).chr(146) => 'E', chr(196).chr(147) => 'e',
193 chr(196).chr(148) => 'E', chr(196).chr(149) => 'e',
194 chr(196).chr(150) => 'E', chr(196).chr(151) => 'e',
195 chr(196).chr(152) => 'E', chr(196).chr(153) => 'e',
196 chr(196).chr(154) => 'E', chr(196).chr(155) => 'e',
197 chr(196).chr(156) => 'G', chr(196).chr(157) => 'g',
198 chr(196).chr(158) => 'G', chr(196).chr(159) => 'g',
199 chr(196).chr(160) => 'G', chr(196).chr(161) => 'g',
200 chr(196).chr(162) => 'G', chr(196).chr(163) => 'g',
201 chr(196).chr(164) => 'H', chr(196).chr(165) => 'h',
202 chr(196).chr(166) => 'H', chr(196).chr(167) => 'h',
203 chr(196).chr(168) => 'I', chr(196).chr(169) => 'i',
204 chr(196).chr(170) => 'I', chr(196).chr(171) => 'i',
205 chr(196).chr(172) => 'I', chr(196).chr(173) => 'i',
206 chr(196).chr(174) => 'I', chr(196).chr(175) => 'i',
207 chr(196).chr(176) => 'I', chr(196).chr(177) => 'i',
208 chr(196).chr(178) => 'IJ',chr(196).chr(179) => 'ij',
209 chr(196).chr(180) => 'J', chr(196).chr(181) => 'j',
210 chr(196).chr(182) => 'K', chr(196).chr(183) => 'k',
211 chr(196).chr(184) => 'k', chr(196).chr(185) => 'L',
212 chr(196).chr(186) => 'l', chr(196).chr(187) => 'L',
213 chr(196).chr(188) => 'l', chr(196).chr(189) => 'L',
214 chr(196).chr(190) => 'l', chr(196).chr(191) => 'L',
215 chr(197).chr(128) => 'l', chr(197).chr(129) => 'L',
216 chr(197).chr(130) => 'l', chr(197).chr(131) => 'N',
217 chr(197).chr(132) => 'n', chr(197).chr(133) => 'N',
218 chr(197).chr(134) => 'n', chr(197).chr(135) => 'N',
219 chr(197).chr(136) => 'n', chr(197).chr(137) => 'N',
220 chr(197).chr(138) => 'n', chr(197).chr(139) => 'N',
221 chr(197).chr(140) => 'O', chr(197).chr(141) => 'o',
222 chr(197).chr(142) => 'O', chr(197).chr(143) => 'o',
223 chr(197).chr(144) => 'O', chr(197).chr(145) => 'o',
224 chr(197).chr(146) => 'OE',chr(197).chr(147) => 'oe',
225 chr(197).chr(148) => 'R',chr(197).chr(149) => 'r',
226 chr(197).chr(150) => 'R',chr(197).chr(151) => 'r',
227 chr(197).chr(152) => 'R',chr(197).chr(153) => 'r',
228 chr(197).chr(154) => 'S',chr(197).chr(155) => 's',
229 chr(197).chr(156) => 'S',chr(197).chr(157) => 's',
230 chr(197).chr(158) => 'S',chr(197).chr(159) => 's',
231 chr(197).chr(160) => 'S', chr(197).chr(161) => 's',
232 chr(197).chr(162) => 'T', chr(197).chr(163) => 't',
233 chr(197).chr(164) => 'T', chr(197).chr(165) => 't',
234 chr(197).chr(166) => 'T', chr(197).chr(167) => 't',
235 chr(197).chr(168) => 'U', chr(197).chr(169) => 'u',
236 chr(197).chr(170) => 'U', chr(197).chr(171) => 'u',
237 chr(197).chr(172) => 'U', chr(197).chr(173) => 'u',
238 chr(197).chr(174) => 'U', chr(197).chr(175) => 'u',
239 chr(197).chr(176) => 'U', chr(197).chr(177) => 'u',
240 chr(197).chr(178) => 'U', chr(197).chr(179) => 'u',
241 chr(197).chr(180) => 'W', chr(197).chr(181) => 'w',
242 chr(197).chr(182) => 'Y', chr(197).chr(183) => 'y',
243 chr(197).chr(184) => 'Y', chr(197).chr(185) => 'Z',
244 chr(197).chr(186) => 'z', chr(197).chr(187) => 'Z',
245 chr(197).chr(188) => 'z', chr(197).chr(189) => 'Z',
246 chr(197).chr(190) => 'z', chr(197).chr(191) => 's',
248 chr(226).chr(130).chr(172) => 'E');
250 $string = strtr($string, $chars);
252 // Assume ISO-8859-1 if not UTF-8
253 $chars['in'] = chr(128).chr(131).chr(138).chr(142).chr(154).chr(158)
254 .chr(159).chr(162).chr(165).chr(181).chr(192).chr(193).chr(194)
255 .chr(195).chr(196).chr(197).chr(199).chr(200).chr(201).chr(202)
256 .chr(203).chr(204).chr(205).chr(206).chr(207).chr(209).chr(210)
257 .chr(211).chr(212).chr(213).chr(214).chr(216).chr(217).chr(218)
258 .chr(219).chr(220).chr(221).chr(224).chr(225).chr(226).chr(227)
259 .chr(228).chr(229).chr(231).chr(232).chr(233).chr(234).chr(235)
260 .chr(236).chr(237).chr(238).chr(239).chr(241).chr(242).chr(243)
261 .chr(244).chr(245).chr(246).chr(248).chr(249).chr(250).chr(251)
262 .chr(252).chr(253).chr(255);
264 $chars['out'] = "EfSZszYcYuAAAAAACEEEEIIIINOOOOOOUUUUYaaaaaaceeeeiiiinoooooouuuuyy";
266 $string = strtr($string, $chars['in'], $chars['out']);
267 $double_chars['in'] = array(chr(140), chr(156), chr(198), chr(208), chr(222), chr(223), chr(230), chr(240), chr(254));
268 $double_chars['out'] = array('OE', 'oe', 'AE', 'DH', 'TH', 'ss', 'ae', 'dh', 'th');
269 $string = str_replace($double_chars['in'], $double_chars['out'], $string);
275 function sanitize_user( $username, $strict = false ) {
276 $raw_username = $username;
277 $username = strip_tags($username);
279 $username = preg_replace('|%([a-fA-F0-9][a-fA-F0-9])|', '', $username);
280 $username = preg_replace('/&.+?;/', '', $username); // Kill entities
282 // If strict, reduce to ASCII for max portability.
284 $username = preg_replace('|[^a-z0-9 _.\-@]|i', '', $username);
286 return apply_filters('sanitize_user', $username, $raw_username, $strict);
289 function sanitize_title($title, $fallback_title = '') {
290 $title = strip_tags($title);
291 $title = apply_filters('sanitize_title', $title);
294 $title = $fallback_title;
300 function sanitize_title_with_dashes($title) {
301 $title = strip_tags($title);
302 // Preserve escaped octets.
303 $title = preg_replace('|%([a-fA-F0-9][a-fA-F0-9])|', '---$1---', $title);
304 // Remove percent signs that are not part of an octet.
305 $title = str_replace('%', '', $title);
307 $title = preg_replace('|---([a-fA-F0-9][a-fA-F0-9])---|', '%$1', $title);
309 $title = remove_accents($title);
310 if (seems_utf8($title)) {
311 if (function_exists('mb_strtolower')) {
312 $title = mb_strtolower($title, 'UTF-8');
314 $title = utf8_uri_encode($title);
317 $title = strtolower($title);
318 $title = preg_replace('/&.+?;/', '', $title); // kill entities
319 $title = preg_replace('/[^%a-z0-9 _-]/', '', $title);
320 $title = preg_replace('/\s+/', '-', $title);
321 $title = preg_replace('|-+|', '-', $title);
322 $title = trim($title, '-');
327 function convert_chars($content, $flag = 'obsolete') {
328 // Translation of invalid Unicode references range to valid range
329 $wp_htmltranswinuni = array(
330 '€' => '€', // the Euro sign
332 '‚' => '‚', // these are Windows CP1252 specific characters
333 'ƒ' => 'ƒ', // they would look weird on non-Windows browsers
334 '„' => '„',
335 '…' => '…',
336 '†' => '†',
337 '‡' => '‡',
338 'ˆ' => 'ˆ',
339 '‰' => '‰',
340 'Š' => 'Š',
341 '‹' => '‹',
342 'Œ' => 'Œ',
344 'Ž' => 'ž',
347 '‘' => '‘',
348 '’' => '’',
349 '“' => '“',
350 '”' => '”',
351 '•' => '•',
352 '–' => '–',
353 '—' => '—',
354 '˜' => '˜',
355 '™' => '™',
356 'š' => 'š',
357 '›' => '›',
358 'œ' => 'œ',
364 // Remove metadata tags
365 $content = preg_replace('/<title>(.+?)<\/title>/','',$content);
366 $content = preg_replace('/<category>(.+?)<\/category>/','',$content);
368 // Converts lone & characters into & (a.k.a. &)
369 $content = preg_replace('/&([^#])(?![a-z1-4]{1,8};)/i', '&$1', $content);
372 $content = strtr($content, $wp_htmltranswinuni);
374 // Just a little XHTML help
375 $content = str_replace('<br>', '<br />', $content);
376 $content = str_replace('<hr>', '<hr />', $content);
381 function funky_javascript_fix($text) {
382 // Fixes for browsers' javascript bugs
383 global $is_macIE, $is_winIE;
385 if ( $is_winIE || $is_macIE )
386 $text = preg_replace("/\%u([0-9A-F]{4,4})/e", "'&#'.base_convert('\\1',16,10).';'", $text);
394 Balances Tags of string using a modified stack.
396 @param text Text to be balanced
397 @return Returns balanced text
398 @author Leonard Lin (leonard@acm.org)
400 @date November 4, 2001
404 --- Modified by Scott Reilly (coffee2code) 02 Aug 2004
405 1.2 ***TODO*** Make better - change loop condition to $text
406 1.1 Fixed handling of append/stack pop order of end text
410 function balanceTags($text, $is_comment = 0) {
412 if ( get_option('use_balanceTags') == 0)
415 $tagstack = array(); $stacksize = 0; $tagqueue = ''; $newtext = '';
417 # WP bug fix for comments - in case you REALLY meant to type '< !--'
418 $text = str_replace('< !--', '< !--', $text);
419 # WP bug fix for LOVE <3 (and other situations with '<' before a number)
420 $text = preg_replace('#<([0-9]{1})#', '<$1', $text);
422 while (preg_match("/<(\/?\w*)\s*([^>]*)>/",$text,$regex)) {
423 $newtext .= $tagqueue;
425 $i = strpos($text,$regex[0]);
426 $l = strlen($regex[0]);
431 if ($regex[1][0] == "/") { // End Tag
432 $tag = strtolower(substr($regex[1],1));
433 // if too many closing tags
434 if($stacksize <= 0) {
436 //or close to be safe $tag = '/' . $tag;
438 // if stacktop value = tag close value then pop
439 else if ($tagstack[$stacksize - 1] == $tag) { // found closing tag
440 $tag = '</' . $tag . '>'; // Close Tag
442 array_pop ($tagstack);
444 } else { // closing tag not at top, search for it
445 for ($j=$stacksize-1;$j>=0;$j--) {
446 if ($tagstack[$j] == $tag) {
447 // add tag to tagqueue
448 for ($k=$stacksize-1;$k>=$j;$k--){
449 $tagqueue .= '</' . array_pop ($tagstack) . '>';
457 } else { // Begin Tag
458 $tag = strtolower($regex[1]);
462 // If self-closing or '', don't do anything.
463 if((substr($regex[2],-1) == '/') || ($tag == '')) {
465 // ElseIf it's a known single-entity tag but it doesn't close itself, do so
466 elseif ($tag == 'br' || $tag == 'img' || $tag == 'hr' || $tag == 'input') {
468 } else { // Push the tag onto the stack
469 // If the top of the stack is the same as the tag we want to push, close previous tag
470 if (($stacksize > 0) && ($tag != 'div') && ($tagstack[$stacksize - 1] == $tag)) {
471 $tagqueue = '</' . array_pop ($tagstack) . '>';
474 $stacksize = array_push ($tagstack, $tag);
478 $attributes = $regex[2];
480 $attributes = ' '.$attributes;
482 $tag = '<'.$tag.$attributes.'>';
483 //If already queuing a close tag, then put this tag on, too
489 $newtext .= substr($text,0,$i) . $tag;
490 $text = substr($text,$i+$l);
494 $newtext .= $tagqueue;
496 // Add Remaining text
500 while($x = array_pop($tagstack)) {
501 $newtext .= '</' . $x . '>'; // Add remaining tags to close
504 // WP fix for the bug with HTML comments
505 $newtext = str_replace("< !--","<!--",$newtext);
506 $newtext = str_replace("< !--","< !--",$newtext);
511 function force_balance_tags($text) {
512 return balanceTags($text, 0, true);
515 function format_to_edit($content, $richedit = false) {
516 $content = apply_filters('format_to_edit', $content);
518 $content = htmlspecialchars($content);
522 function format_to_post($content) {
524 $content = apply_filters('format_to_post', $content);
528 function zeroise($number,$threshold) { // function to add leading zeros when necessary
529 return sprintf('%0'.$threshold.'s', $number);
533 function backslashit($string) {
534 $string = preg_replace('/^([0-9])/', '\\\\\\\\\1', $string);
535 $string = preg_replace('/([a-z])/i', '\\\\\1', $string);
539 function trailingslashit($string) {
540 if ( '/' != substr($string, -1)) {
546 function addslashes_gpc($gpc) {
549 if (get_magic_quotes_gpc()) {
550 $gpc = stripslashes($gpc);
553 return $wpdb->escape($gpc);
557 function stripslashes_deep($value)
559 $value = is_array($value) ?
560 array_map('stripslashes_deep', $value) :
561 stripslashes($value);
566 function antispambot($emailaddy, $mailto=0) {
567 $emailNOSPAMaddy = '';
568 srand ((float) microtime() * 1000000);
569 for ($i = 0; $i < strlen($emailaddy); $i = $i + 1) {
570 $j = floor(rand(0, 1+$mailto));
572 $emailNOSPAMaddy .= '&#'.ord(substr($emailaddy,$i,1)).';';
574 $emailNOSPAMaddy .= substr($emailaddy,$i,1);
576 $emailNOSPAMaddy .= '%'.zeroise(dechex(ord(substr($emailaddy, $i, 1))), 2);
579 $emailNOSPAMaddy = str_replace('@','@',$emailNOSPAMaddy);
580 return $emailNOSPAMaddy;
583 function make_clickable($ret) {
585 $ret = preg_replace("#(^|[\n ])([\w]+?://[\w\#$%&~/.\-;:=,?@\[\]+]*)#is", "$1<a href='$2' rel='nofollow'>$2</a>", $ret);
586 $ret = preg_replace("#(^|[\n ])((www|ftp)\.[\w\#$%&~/.\-;:=,?@\[\]+]*)#is", "$1<a href='http://$2' rel='nofollow'>$2</a>", $ret);
587 $ret = preg_replace("#(\s)([a-z0-9\-_.]+)@([^,< \n\r]+)#i", "$1<a href=\"mailto:$2@$3\">$2@$3</a>", $ret);
588 $ret = substr($ret, 1);
593 function wp_rel_nofollow( $text ) {
594 $text = preg_replace('|<a (.+?)>|i', '<a $1 rel="nofollow">', $text);
598 function convert_smilies($text) {
599 global $wp_smiliessearch, $wp_smiliesreplace;
601 if (get_settings('use_smilies')) {
602 // HTML loop taken from texturize function, could possible be consolidated
603 $textarr = preg_split("/(<.*>)/U", $text, -1, PREG_SPLIT_DELIM_CAPTURE); // capture the tags as well as in between
604 $stop = count($textarr);// loop stuff
605 for ($i = 0; $i < $stop; $i++) {
606 $content = $textarr[$i];
607 if ((strlen($content) > 0) && ('<' != $content{0})) { // If it's not a tag
608 $content = str_replace($wp_smiliessearch, $wp_smiliesreplace, $content);
613 // return default text.
620 function is_email($user_email) {
621 $chars = "/^([a-z0-9+_]|\\-|\\.)+@(([a-z0-9_]|\\-)+\\.)+[a-z]{2,6}\$/i";
622 if(strstr($user_email, '@') && strstr($user_email, '.')) {
623 if (preg_match($chars, $user_email)) {
633 // used by wp-mail to handle charsets in email subjects
634 function wp_iso_descrambler($string) {
635 /* this may only work with iso-8859-1, I'm afraid */
636 if (!preg_match('#\=\?(.+)\?Q\?(.+)\?\=#i', $string, $matches)) {
639 $subject = str_replace('_', ' ', $matches[2]);
640 $subject = preg_replace('#\=([0-9a-f]{2})#ei', "chr(hexdec(strtolower('$1')))", $subject);
646 // give it a date, it will give you the same date as GMT
647 function get_gmt_from_date($string) {
648 // note: this only substracts $time_difference from the given date
649 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);
650 $string_time = gmmktime($matches[4], $matches[5], $matches[6], $matches[2], $matches[3], $matches[1]);
651 $string_gmt = gmdate('Y-m-d H:i:s', $string_time - get_settings('gmt_offset') * 3600);
655 // give it a GMT date, it will give you the same date with $time_difference added
656 function get_date_from_gmt($string) {
657 // note: this only adds $time_difference to the given date
658 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);
659 $string_time = gmmktime($matches[4], $matches[5], $matches[6], $matches[2], $matches[3], $matches[1]);
660 $string_localtime = gmdate('Y-m-d H:i:s', $string_time + get_settings('gmt_offset')*3600);
661 return $string_localtime;
664 // computes an offset in seconds from an iso8601 timezone
665 function iso8601_timezone_to_offset($timezone) {
666 // $timezone is either 'Z' or '[+|-]hhmm'
667 if ($timezone == 'Z') {
670 $sign = (substr($timezone, 0, 1) == '+') ? 1 : -1;
671 $hours = intval(substr($timezone, 1, 2));
672 $minutes = intval(substr($timezone, 3, 4)) / 60;
673 $offset = $sign * 3600 * ($hours + $minutes);
678 // converts an iso8601 date to MySQL DateTime format used by post_date[_gmt]
679 function iso8601_to_datetime($date_string, $timezone = USER) {
680 if ($timezone == GMT) {
681 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, $date_bits);
682 if (!empty($date_bits[7])) { // we have a timezone, so let's compute an offset
683 $offset = iso8601_timezone_to_offset($date_bits[7]);
684 } else { // we don't have a timezone, so we assume user local timezone (not server's!)
685 $offset = 3600 * get_settings('gmt_offset');
687 $timestamp = gmmktime($date_bits[4], $date_bits[5], $date_bits[6], $date_bits[2], $date_bits[3], $date_bits[1]);
688 $timestamp -= $offset;
689 return gmdate('Y-m-d H:i:s', $timestamp);
690 } elseif ($timezone == USER) {
691 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', $date_string);
695 function popuplinks($text) {
696 // Comment text in popup windows should be filtered through this.
697 // Right now it's a moderately dumb function, ideally it would detect whether
698 // a target or rel attribute was already there and adjust its actions accordingly.
699 $text = preg_replace('/<a (.+?)>/i', "<a $1 target='_blank' rel='external'>", $text);
703 function sanitize_email($email) {
704 return preg_replace('/[^a-z0-9+_.@-]/i', '', $email);
707 function human_time_diff( $from, $to = '' ) {
710 $diff = (int) abs($to - $from);
712 $mins = round($diff / 60);
714 $since = __('1 min');
716 $since = sprintf( __('%s mins'), $mins);
717 } else if (($diff <= 86400) && ($diff > 3600)) {
718 $hours = round($diff / 3600);
720 $since = __('1 hour');
722 $since = sprintf( __('%s hours'), $hours );
723 } elseif ($diff >= 86400) {
724 $days = round($diff / 86400);
726 $since = __('1 day');
728 $since = sprintf( __('%s days'), $days );
733 function wp_trim_excerpt($text) { // Fakes an excerpt if needed
736 $text = $post->post_content;
737 $text = apply_filters('the_content', $text);
738 $text = str_replace(']]>', ']]>', $text);
739 $text = strip_tags($text);
740 $excerpt_length = 55;
741 $words = explode(' ', $text, $excerpt_length + 1);
742 if (count($words) > $excerpt_length) {
744 array_push($words, '[...]');
745 $text = implode(' ', $words);
751 function ent2ncr($text) {
755 '⁄' => '/',
759 ' ' => ' ',
760 '¡' => '¡',
761 '¢' => '¢',
762 '£' => '£',
763 '¤' => '¤',
765 '¦' => '¦',
766 '&brkbar;' => '¦',
767 '§' => '§',
770 '©' => '©',
771 'ª' => 'ª',
772 '«' => '«',
776 '¯' => '¯',
777 '&hibar;' => '¯',
779 '±' => '±',
780 '²' => '²',
781 '³' => '³',
782 '´' => '´',
783 'µ' => 'µ',
784 '¶' => '¶',
785 '·' => '·',
786 '¸' => '¸',
787 '¹' => '¹',
788 'º' => 'º',
789 '»' => '»',
790 '¼' => '¼',
791 '½' => '½',
792 '¾' => '¾',
793 '¿' => '¿',
794 'À' => 'À',
795 'Á' => 'Á',
796 'Â' => 'Â',
797 'Ã' => 'Ã',
798 'Ä' => 'Ä',
799 'Å' => 'Å',
800 'Æ' => 'Æ',
801 'Ç' => 'Ç',
802 'È' => 'È',
803 'É' => 'É',
804 'Ê' => 'Ê',
805 'Ë' => 'Ë',
806 'Ì' => 'Ì',
807 'Í' => 'Í',
808 'Î' => 'Î',
809 'Ï' => 'Ï',
811 'Ñ' => 'Ñ',
812 'Ò' => 'Ò',
813 'Ó' => 'Ó',
814 'Ô' => 'Ô',
815 'Õ' => 'Õ',
816 'Ö' => 'Ö',
817 '×' => '×',
818 'Ø' => 'Ø',
819 'Ù' => 'Ù',
820 'Ú' => 'Ú',
821 'Û' => 'Û',
822 'Ü' => 'Ü',
823 'Ý' => 'Ý',
824 'Þ' => 'Þ',
825 'ß' => 'ß',
826 'à' => 'à',
827 'á' => 'á',
828 'â' => 'â',
829 'ã' => 'ã',
830 'ä' => 'ä',
831 'å' => 'å',
832 'æ' => 'æ',
833 'ç' => 'ç',
834 'è' => 'è',
835 'é' => 'é',
836 'ê' => 'ê',
837 'ë' => 'ë',
838 'ì' => 'ì',
839 'í' => 'í',
840 'î' => 'î',
841 'ï' => 'ï',
843 'ñ' => 'ñ',
844 'ò' => 'ò',
845 'ó' => 'ó',
846 'ô' => 'ô',
847 'õ' => 'õ',
848 'ö' => 'ö',
849 '÷' => '÷',
850 'ø' => 'ø',
851 'ù' => 'ù',
852 'ú' => 'ú',
853 'û' => 'û',
854 'ü' => 'ü',
855 'ý' => 'ý',
856 'þ' => 'þ',
857 'ÿ' => 'ÿ',
858 'Œ' => 'Œ',
859 'œ' => 'œ',
860 'Š' => 'Š',
861 'š' => 'š',
862 'Ÿ' => 'Ÿ',
863 'ƒ' => 'ƒ',
864 'ˆ' => 'ˆ',
865 '˜' => '˜',
866 'Α' => 'Α',
867 'Β' => 'Β',
868 'Γ' => 'Γ',
869 'Δ' => 'Δ',
870 'Ε' => 'Ε',
871 'Ζ' => 'Ζ',
873 'Θ' => 'Θ',
874 'Ι' => 'Ι',
875 'Κ' => 'Κ',
876 'Λ' => 'Λ',
880 'Ο' => 'Ο',
883 'Σ' => 'Σ',
885 'Υ' => 'Υ',
889 'Ω' => 'Ω',
890 'α' => 'α',
891 'β' => 'β',
892 'γ' => 'γ',
893 'δ' => 'δ',
894 'ε' => 'ε',
895 'ζ' => 'ζ',
897 'θ' => 'θ',
898 'ι' => 'ι',
899 'κ' => 'κ',
900 'λ' => 'λ',
904 'ο' => 'ο',
907 'ς' => 'ς',
908 'σ' => 'σ',
910 'υ' => 'υ',
914 'ω' => 'ω',
915 'ϑ' => 'ϑ',
916 'ϒ' => 'ϒ',
918 ' ' => ' ',
919 ' ' => ' ',
920 ' ' => ' ',
921 '‌' => '‌',
922 '‍' => '‍',
923 '‎' => '‎',
924 '‏' => '‏',
925 '–' => '–',
926 '—' => '—',
927 '‘' => '‘',
928 '’' => '’',
929 '‚' => '‚',
930 '“' => '“',
931 '”' => '”',
932 '„' => '„',
933 '†' => '†',
934 '‡' => '‡',
935 '•' => '•',
936 '…' => '…',
937 '‰' => '‰',
938 '′' => '′',
939 '″' => '″',
940 '‹' => '‹',
941 '›' => '›',
942 '‾' => '‾',
943 '⁄' => '⁄',
944 '€' => '€',
945 'ℑ' => 'ℑ',
946 '℘' => '℘',
947 'ℜ' => 'ℜ',
948 '™' => '™',
949 'ℵ' => 'ℵ',
950 '↵' => '↵',
951 '⇐' => '⇐',
952 '⇑' => '⇑',
953 '⇒' => '⇒',
954 '⇓' => '⇓',
955 '⇔' => '⇔',
956 '∀' => '∀',
957 '∂' => '∂',
958 '∃' => '∃',
959 '∅' => '∅',
960 '∇' => '∇',
961 '∈' => '∈',
962 '∉' => '∉',
964 '∏' => '∏',
965 '∑' => '∑',
966 '−' => '−',
967 '∗' => '∗',
968 '√' => '√',
969 '∝' => '∝',
970 '∞' => '∞',
971 '∠' => '∠',
972 '∧' => '∧',
974 '∩' => '∩',
975 '∪' => '∪',
976 '∫' => '∫',
977 '∴' => '∴',
978 '∼' => '∼',
979 '≅' => '≅',
980 '≈' => '≈',
982 '≡' => '≡',
985 '⊂' => '⊂',
986 '⊃' => '⊃',
987 '⊄' => '⊄',
988 '⊆' => '⊆',
989 '⊇' => '⊇',
990 '⊕' => '⊕',
991 '⊗' => '⊗',
992 '⊥' => '⊥',
993 '⋅' => '⋅',
994 '⌈' => '⌈',
995 '⌉' => '⌉',
996 '⌊' => '⌊',
997 '⌋' => '⌋',
998 '⟨' => '〈',
999 '⟩' => '〉',
1000 '←' => '←',
1001 '↑' => '↑',
1002 '→' => '→',
1003 '↓' => '↓',
1004 '↔' => '↔',
1005 '◊' => '◊',
1006 '♠' => '♠',
1007 '♣' => '♣',
1008 '♥' => '♥',
1009 '♦' => '♦'
1012 return str_replace( array_keys($to_ncr), array_values($to_ncr), $text );
1015 function wp_richedit_pre($text) {
1016 // Filtering a blank results in an annoying <br />\n
1017 if ( empty($text) ) return apply_filters('richedit_pre', '');
1020 $output = convert_chars($output);
1021 $output = wpautop($output);
1023 // These must be double-escaped or planets will collide.
1024 $output = str_replace('<', '&lt;', $output);
1025 $output = str_replace('>', '&gt;', $output);
1027 return apply_filters('richedit_pre', $output);
1030 // Escape single quotes, specialchar double quotes, and fix line endings.
1031 function js_escape($text) {
1032 $text = wp_specialchars($text, 'double');
1033 $text = str_replace(''', "'", $text);
1034 return preg_replace("/\r?\n/", "\\n", addslashes($text));