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1 <?php 2 3 function wptexturize($text) { 4 $output = ''; 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++) { 9 $curl = $textarr[$i]; 10 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); 18 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); 23 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); 35 36 $curl = preg_replace('/(\d+)x(\d+)/', "$1×$2", $curl); 37 38 } elseif (strstr($curl, '<code') || strstr($curl, '<pre') || strstr($curl, '<kbd' || strstr($curl, '<style') || strstr($curl, '<script'))) { 39 // strstr is fast 40 $next = false; 41 } else { 42 $next = true; 43 } 44 $curl = preg_replace('/&([^#])(?![a-zA-Z1-4]{1,8};)/', '&$1', $curl); 45 $output .= $curl; 46 } 47 return $output; 48 } 49 50 function clean_pre($text) { 51 $text = str_replace('<br />', '', $text); 52 $text = str_replace('<p>', "\n", $text); 53 $text = str_replace('</p>', '', $text); 54 return $text; 55 } 56 57 function wpautop($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) { 74 $pee = preg_replace('/<(script|style).*?<\/\\1>/se', 'str_replace("\n", "<WPPreserveNewline />", "\\0")', $pee); 75 $pee = preg_replace('|(?<!<br />)\s*\n|', "<br />\n", $pee); // optionally make line breaks 76 $pee = str_replace('<WPPreserveNewline />', "\n", $pee); 77 } 78 $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); 79 $pee = preg_replace('!<br />(\s*</?(?:p|li|div|dl|dd|dt|th|pre|td|ul|ol)>)!', '$1', $pee); 80 $pee = preg_replace('!(<pre.*?>)(.*?)</pre>!ise', " stripslashes('$1') . stripslashes(clean_pre('$2')) . '</pre>' ", $pee); 81 82 return $pee; 83 } 84 85 86 function seems_utf8($Str) { # by bmorel at ssi dot fr 87 for ($i=0; $i<strlen($Str); $i++) { 88 if (ord($Str[$i]) < 0x80) continue; # 0bbbbbbb 89 elseif ((ord($Str[$i]) & 0xE0) == 0xC0) $n=1; # 110bbbbb 90 elseif ((ord($Str[$i]) & 0xF0) == 0xE0) $n=2; # 1110bbbb 91 elseif ((ord($Str[$i]) & 0xF8) == 0xF0) $n=3; # 11110bbb 92 elseif ((ord($Str[$i]) & 0xFC) == 0xF8) $n=4; # 111110bb 93 elseif ((ord($Str[$i]) & 0xFE) == 0xFC) $n=5; # 1111110b 94 else return false; # Does not match any model 95 for ($j=0; $j<$n; $j++) { # n bytes matching 10bbbbbb follow ? 96 if ((++$i == strlen($Str)) || ((ord($Str[$i]) & 0xC0) != 0x80)) 97 return false; 98 } 99 } 100 return true; 101 } 102 103 function wp_specialchars( $text, $quotes = 0 ) { 104 // Like htmlspecialchars except don't double-encode HTML entities 105 $text = preg_replace('/&([^#])(?![a-z1-4]{1,8};)/', '&$1', $text); 106 $text = str_replace('<', '<', $text); 107 $text = str_replace('>', '>', $text); 108 if ( 'double' === $quotes ) { 109 $text = str_replace('"', '"', $text); 110 } elseif ( 'single' === $quotes ) { 111 $text = str_replace("'", ''', $text); 112 } elseif ( $quotes ) { 113 $text = str_replace('"', '"', $text); 114 $text = str_replace("'", ''', $text); 115 } 116 return $text; 117 } 118 119 function utf8_uri_encode( $utf8_string ) { 120 $unicode = ''; 121 $values = array(); 122 $num_octets = 1; 123 124 for ($i = 0; $i < strlen( $utf8_string ); $i++ ) { 125 126 $value = ord( $utf8_string[ $i ] ); 127 128 if ( $value < 128 ) { 129 $unicode .= chr($value); 130 } else { 131 if ( count( $values ) == 0 ) $num_octets = ( $value < 224 ) ? 2 : 3; 132 133 $values[] = $value; 134 135 if ( count( $values ) == $num_octets ) { 136 if ($num_octets == 3) { 137 $unicode .= '%' . dechex($values[0]) . '%' . dechex($values[1]) . '%' . dechex($values[2]); 138 } else { 139 $unicode .= '%' . dechex($values[0]) . '%' . dechex($values[1]); 140 } 141 142 $values = array(); 143 $num_octets = 1; 144 } 145 } 146 } 147 148 return $unicode; 149 } 150 151 function remove_accents($string) { 152 if (seems_utf8($string)) { 153 $chars = array( 154 // Decompositions for Latin-1 Supplement 155 chr(195).chr(128) => 'A', chr(195).chr(129) => 'A', 156 chr(195).chr(130) => 'A', chr(195).chr(131) => 'A', 157 chr(195).chr(132) => 'A', chr(195).chr(133) => 'A', 158 chr(195).chr(135) => 'C', chr(195).chr(136) => 'E', 159 chr(195).chr(137) => 'E', chr(195).chr(138) => 'E', 160 chr(195).chr(139) => 'E', chr(195).chr(140) => 'I', 161 chr(195).chr(141) => 'I', chr(195).chr(142) => 'I', 162 chr(195).chr(143) => 'I', chr(195).chr(145) => 'N', 163 chr(195).chr(146) => 'O', chr(195).chr(147) => 'O', 164 chr(195).chr(148) => 'O', chr(195).chr(149) => 'O', 165 chr(195).chr(150) => 'O', chr(195).chr(153) => 'U', 166 chr(195).chr(154) => 'U', chr(195).chr(155) => 'U', 167 chr(195).chr(156) => 'U', chr(195).chr(157) => 'Y', 168 chr(195).chr(159) => 's', chr(195).chr(160) => 'a', 169 chr(195).chr(161) => 'a', chr(195).chr(162) => 'a', 170 chr(195).chr(163) => 'a', chr(195).chr(164) => 'a', 171 chr(195).chr(165) => 'a', chr(195).chr(167) => 'c', 172 chr(195).chr(168) => 'e', chr(195).chr(169) => 'e', 173 chr(195).chr(170) => 'e', chr(195).chr(171) => 'e', 174 chr(195).chr(172) => 'i', chr(195).chr(173) => 'i', 175 chr(195).chr(174) => 'i', chr(195).chr(175) => 'i', 176 chr(195).chr(177) => 'n', chr(195).chr(178) => 'o', 177 chr(195).chr(179) => 'o', chr(195).chr(180) => 'o', 178 chr(195).chr(181) => 'o', chr(195).chr(182) => 'o', 179 chr(195).chr(182) => 'o', chr(195).chr(185) => 'u', 180 chr(195).chr(186) => 'u', chr(195).chr(187) => 'u', 181 chr(195).chr(188) => 'u', chr(195).chr(189) => 'y', 182 chr(195).chr(191) => 'y', 183 // Decompositions for Latin Extended-A 184 chr(196).chr(128) => 'A', chr(196).chr(129) => 'a', 185 chr(196).chr(130) => 'A', chr(196).chr(131) => 'a', 186 chr(196).chr(132) => 'A', chr(196).chr(133) => 'a', 187 chr(196).chr(134) => 'C', chr(196).chr(135) => 'c', 188 chr(196).chr(136) => 'C', chr(196).chr(137) => 'c', 189 chr(196).chr(138) => 'C', chr(196).chr(139) => 'c', 190 chr(196).chr(140) => 'C', chr(196).chr(141) => 'c', 191 chr(196).chr(142) => 'D', chr(196).chr(143) => 'd', 192 chr(196).chr(144) => 'D', chr(196).chr(145) => 'd', 193 chr(196).chr(146) => 'E', chr(196).chr(147) => 'e', 194 chr(196).chr(148) => 'E', chr(196).chr(149) => 'e', 195 chr(196).chr(150) => 'E', chr(196).chr(151) => 'e', 196 chr(196).chr(152) => 'E', chr(196).chr(153) => 'e', 197 chr(196).chr(154) => 'E', chr(196).chr(155) => 'e', 198 chr(196).chr(156) => 'G', chr(196).chr(157) => 'g', 199 chr(196).chr(158) => 'G', chr(196).chr(159) => 'g', 200 chr(196).chr(160) => 'G', chr(196).chr(161) => 'g', 201 chr(196).chr(162) => 'G', chr(196).chr(163) => 'g', 202 chr(196).chr(164) => 'H', chr(196).chr(165) => 'h', 203 chr(196).chr(166) => 'H', chr(196).chr(167) => 'h', 204 chr(196).chr(168) => 'I', chr(196).chr(169) => 'i', 205 chr(196).chr(170) => 'I', chr(196).chr(171) => 'i', 206 chr(196).chr(172) => 'I', chr(196).chr(173) => 'i', 207 chr(196).chr(174) => 'I', chr(196).chr(175) => 'i', 208 chr(196).chr(176) => 'I', chr(196).chr(177) => 'i', 209 chr(196).chr(178) => 'IJ',chr(196).chr(179) => 'ij', 210 chr(196).chr(180) => 'J', chr(196).chr(181) => 'j', 211 chr(196).chr(182) => 'K', chr(196).chr(183) => 'k', 212 chr(196).chr(184) => 'k', chr(196).chr(185) => 'L', 213 chr(196).chr(186) => 'l', chr(196).chr(187) => 'L', 214 chr(196).chr(188) => 'l', chr(196).chr(189) => 'L', 215 chr(196).chr(190) => 'l', chr(196).chr(191) => 'L', 216 chr(197).chr(128) => 'l', chr(197).chr(129) => 'L', 217 chr(197).chr(130) => 'l', chr(197).chr(131) => 'N', 218 chr(197).chr(132) => 'n', chr(197).chr(133) => 'N', 219 chr(197).chr(134) => 'n', chr(197).chr(135) => 'N', 220 chr(197).chr(136) => 'n', chr(197).chr(137) => 'N', 221 chr(197).chr(138) => 'n', chr(197).chr(139) => 'N', 222 chr(197).chr(140) => 'O', chr(197).chr(141) => 'o', 223 chr(197).chr(142) => 'O', chr(197).chr(143) => 'o', 224 chr(197).chr(144) => 'O', chr(197).chr(145) => 'o', 225 chr(197).chr(146) => 'OE',chr(197).chr(147) => 'oe', 226 chr(197).chr(148) => 'R',chr(197).chr(149) => 'r', 227 chr(197).chr(150) => 'R',chr(197).chr(151) => 'r', 228 chr(197).chr(152) => 'R',chr(197).chr(153) => 'r', 229 chr(197).chr(154) => 'S',chr(197).chr(155) => 's', 230 chr(197).chr(156) => 'S',chr(197).chr(157) => 's', 231 chr(197).chr(158) => 'S',chr(197).chr(159) => 's', 232 chr(197).chr(160) => 'S', chr(197).chr(161) => 's', 233 chr(197).chr(162) => 'T', chr(197).chr(163) => 't', 234 chr(197).chr(164) => 'T', chr(197).chr(165) => 't', 235 chr(197).chr(166) => 'T', chr(197).chr(167) => 't', 236 chr(197).chr(168) => 'U', chr(197).chr(169) => 'u', 237 chr(197).chr(170) => 'U', chr(197).chr(171) => 'u', 238 chr(197).chr(172) => 'U', chr(197).chr(173) => 'u', 239 chr(197).chr(174) => 'U', chr(197).chr(175) => 'u', 240 chr(197).chr(176) => 'U', chr(197).chr(177) => 'u', 241 chr(197).chr(178) => 'U', chr(197).chr(179) => 'u', 242 chr(197).chr(180) => 'W', chr(197).chr(181) => 'w', 243 chr(197).chr(182) => 'Y', chr(197).chr(183) => 'y', 244 chr(197).chr(184) => 'Y', chr(197).chr(185) => 'Z', 245 chr(197).chr(186) => 'z', chr(197).chr(187) => 'Z', 246 chr(197).chr(188) => 'z', chr(197).chr(189) => 'Z', 247 chr(197).chr(190) => 'z', chr(197).chr(191) => 's', 248 // Euro Sign 249 chr(226).chr(130).chr(172) => 'E'); 250 251 $string = strtr($string, $chars); 252 } else { 253 // Assume ISO-8859-1 if not UTF-8 254 $chars['in'] = chr(128).chr(131).chr(138).chr(142).chr(154).chr(158) 255 .chr(159).chr(162).chr(165).chr(181).chr(192).chr(193).chr(194) 256 .chr(195).chr(196).chr(197).chr(199).chr(200).chr(201).chr(202) 257 .chr(203).chr(204).chr(205).chr(206).chr(207).chr(209).chr(210) 258 .chr(211).chr(212).chr(213).chr(214).chr(216).chr(217).chr(218) 259 .chr(219).chr(220).chr(221).chr(224).chr(225).chr(226).chr(227) 260 .chr(228).chr(229).chr(231).chr(232).chr(233).chr(234).chr(235) 261 .chr(236).chr(237).chr(238).chr(239).chr(241).chr(242).chr(243) 262 .chr(244).chr(245).chr(246).chr(248).chr(249).chr(250).chr(251) 263 .chr(252).chr(253).chr(255); 264 265 $chars['out'] = "EfSZszYcYuAAAAAACEEEEIIIINOOOOOOUUUUYaaaaaaceeeeiiiinoooooouuuuyy"; 266 267 $string = strtr($string, $chars['in'], $chars['out']); 268 $double_chars['in'] = array(chr(140), chr(156), chr(198), chr(208), chr(222), chr(223), chr(230), chr(240), chr(254)); 269 $double_chars['out'] = array('OE', 'oe', 'AE', 'DH', 'TH', 'ss', 'ae', 'dh', 'th'); 270 $string = str_replace($double_chars['in'], $double_chars['out'], $string); 271 } 272 273 return $string; 274 } 275 276 function sanitize_user( $username, $strict = false ) { 277 $raw_username = $username; 278 $username = strip_tags($username); 279 // Kill octets 280 $username = preg_replace('|%([a-fA-F0-9][a-fA-F0-9])|', '', $username); 281 $username = preg_replace('/&.+?;/', '', $username); // Kill entities 282 283 // If strict, reduce to ASCII for max portability. 284 if ( $strict ) 285 $username = preg_replace('|[^a-z0-9 _.\-@]|i', '', $username); 286 287 return apply_filters('sanitize_user', $username, $raw_username, $strict); 288 } 289 290 function sanitize_title($title, $fallback_title = '') { 291 $title = strip_tags($title); 292 $title = apply_filters('sanitize_title', $title); 293 294 if (empty($title)) { 295 $title = $fallback_title; 296 } 297 298 return $title; 299 } 300 301 function sanitize_title_with_dashes($title) { 302 $title = strip_tags($title); 303 // Preserve escaped octets. 304 $title = preg_replace('|%([a-fA-F0-9][a-fA-F0-9])|', '---$1---', $title); 305 // Remove percent signs that are not part of an octet. 306 $title = str_replace('%', '', $title); 307 // Restore octets. 308 $title = preg_replace('|---([a-fA-F0-9][a-fA-F0-9])---|', '%$1', $title); 309 310 $title = remove_accents($title); 311 if (seems_utf8($title)) { 312 if (function_exists('mb_strtolower')) { 313 $title = mb_strtolower($title, 'UTF-8'); 314 } 315 $title = utf8_uri_encode($title); 316 } 317 318 $title = strtolower($title); 319 $title = preg_replace('/&.+?;/', '', $title); // kill entities 320 $title = preg_replace('/[^%a-z0-9 _-]/', '', $title); 321 $title = preg_replace('/\s+/', '-', $title); 322 $title = preg_replace('|-+|', '-', $title); 323 $title = trim($title, '-'); 324 325 return $title; 326 } 327 328 function convert_chars($content, $flag = 'obsolete') { 329 // Translation of invalid Unicode references range to valid range 330 $wp_htmltranswinuni = array( 331 '€' => '€', // the Euro sign 332 '' => '', 333 '‚' => '‚', // these are Windows CP1252 specific characters 334 'ƒ' => 'ƒ', // they would look weird on non-Windows browsers 335 '„' => '„', 336 '…' => '…', 337 '†' => '†', 338 '‡' => '‡', 339 'ˆ' => 'ˆ', 340 '‰' => '‰', 341 'Š' => 'Š', 342 '‹' => '‹', 343 'Œ' => 'Œ', 344 '' => '', 345 'Ž' => 'ž', 346 '' => '', 347 '' => '', 348 '‘' => '‘', 349 '’' => '’', 350 '“' => '“', 351 '”' => '”', 352 '•' => '•', 353 '–' => '–', 354 '—' => '—', 355 '˜' => '˜', 356 '™' => '™', 357 'š' => 'š', 358 '›' => '›', 359 'œ' => 'œ', 360 '' => '', 361 'ž' => '', 362 'Ÿ' => 'Ÿ' 363 ); 364 365 // Remove metadata tags 366 $content = preg_replace('/<title>(.+?)<\/title>/','',$content); 367 $content = preg_replace('/<category>(.+?)<\/category>/','',$content); 368 369 // Converts lone & characters into & (a.k.a. &) 370 $content = preg_replace('/&([^#])(?![a-z1-4]{1,8};)/i', '&$1', $content); 371 372 // Fix Word pasting 373 $content = strtr($content, $wp_htmltranswinuni); 374 375 // Just a little XHTML help 376 $content = str_replace('<br>', '<br />', $content); 377 $content = str_replace('<hr>', '<hr />', $content); 378 379 return $content; 380 } 381 382 function funky_javascript_fix($text) { 383 // Fixes for browsers' javascript bugs 384 global $is_macIE, $is_winIE; 385 386 if ( $is_winIE || $is_macIE ) 387 $text = preg_replace("/\%u([0-9A-F]{4,4})/e", "'&#'.base_convert('\\1',16,10).';'", $text); 388 389 return $text; 390 } 391 392 /* 393 balanceTags 394 395 Balances Tags of string using a modified stack. 396 397 @param text Text to be balanced 398 @return Returns balanced text 399 @author Leonard Lin (leonard@acm.org) 400 @version v1.1 401 @date November 4, 2001 402 @license GPL v2.0 403 @notes 404 @changelog 405 --- Modified by Scott Reilly (coffee2code) 02 Aug 2004 406 1.2 ***TODO*** Make better - change loop condition to $text 407 1.1 Fixed handling of append/stack pop order of end text 408 Added Cleaning Hooks 409 1.0 First Version 410 */ 411 function balanceTags($text, $is_comment = 0, $force = false) { 412 413 if ( !$force && get_option('use_balanceTags') == 0 ) 414 return $text; 415 416 $tagstack = array(); $stacksize = 0; $tagqueue = ''; $newtext = ''; 417 418 # WP bug fix for comments - in case you REALLY meant to type '< !--' 419 $text = str_replace('< !--', '< !--', $text); 420 # WP bug fix for LOVE <3 (and other situations with '<' before a number) 421 $text = preg_replace('#<([0-9]{1})#', '<$1', $text); 422 423 while (preg_match("/<(\/?\w*)\s*([^>]*)>/",$text,$regex)) { 424 $newtext .= $tagqueue; 425 426 $i = strpos($text,$regex[0]); 427 $l = strlen($regex[0]); 428 429 // clear the shifter 430 $tagqueue = ''; 431 // Pop or Push 432 if ($regex[1][0] == "/") { // End Tag 433 $tag = strtolower(substr($regex[1],1)); 434 // if too many closing tags 435 if($stacksize <= 0) { 436 $tag = ''; 437 //or close to be safe $tag = '/' . $tag; 438 } 439 // if stacktop value = tag close value then pop 440 else if ($tagstack[$stacksize - 1] == $tag) { // found closing tag 441 $tag = '</' . $tag . '>'; // Close Tag 442 // Pop 443 array_pop ($tagstack); 444 $stacksize--; 445 } else { // closing tag not at top, search for it 446 for ($j=$stacksize-1;$j>=0;$j--) { 447 if ($tagstack[$j] == $tag) { 448 // add tag to tagqueue 449 for ($k=$stacksize-1;$k>=$j;$k--){ 450 $tagqueue .= '</' . array_pop ($tagstack) . '>'; 451 $stacksize--; 452 } 453 break; 454 } 455 } 456 $tag = ''; 457 } 458 } else { // Begin Tag 459 $tag = strtolower($regex[1]); 460 461 // Tag Cleaning 462 463 // If self-closing or '', don't do anything. 464 if((substr($regex[2],-1) == '/') || ($tag == '')) { 465 } 466 // ElseIf it's a known single-entity tag but it doesn't close itself, do so 467 elseif ($tag == 'br' || $tag == 'img' || $tag == 'hr' || $tag == 'input') { 468 $regex[2] .= '/'; 469 } else { // Push the tag onto the stack 470 // If the top of the stack is the same as the tag we want to push, close previous tag 471 if (($stacksize > 0) && ($tag != 'div') && ($tagstack[$stacksize - 1] == $tag)) { 472 $tagqueue = '</' . array_pop ($tagstack) . '>'; 473 $stacksize--; 474 } 475 $stacksize = array_push ($tagstack, $tag); 476 } 477 478 // Attributes 479 $attributes = $regex[2]; 480 if($attributes) { 481 $attributes = ' '.$attributes; 482 } 483 $tag = '<'.$tag.$attributes.'>'; 484 //If already queuing a close tag, then put this tag on, too 485 if ($tagqueue) { 486 $tagqueue .= $tag; 487 $tag = ''; 488 } 489 } 490 $newtext .= substr($text,0,$i) . $tag; 491 $text = substr($text,$i+$l); 492 } 493 494 // Clear Tag Queue 495 $newtext .= $tagqueue; 496 497 // Add Remaining text 498 $newtext .= $text; 499 500 // Empty Stack 501 while($x = array_pop($tagstack)) { 502 $newtext .= '</' . $x . '>'; // Add remaining tags to close 503 } 504 505 // WP fix for the bug with HTML comments 506 $newtext = str_replace("< !--","<!--",$newtext); 507 $newtext = str_replace("< !--","< !--",$newtext); 508 509 return $newtext; 510 } 511 512 function force_balance_tags($text) { 513 return balanceTags($text, 0, true); 514 } 515 516 function format_to_edit($content, $richedit = false) { 517 $content = apply_filters('format_to_edit', $content); 518 if (! $richedit ) 519 $content = htmlspecialchars($content); 520 return $content; 521 } 522 523 function format_to_post($content) { 524 global $wpdb; 525 $content = apply_filters('format_to_post', $content); 526 return $content; 527 } 528 529 function zeroise($number,$threshold) { // function to add leading zeros when necessary 530 return sprintf('%0'.$threshold.'s', $number); 531 } 532 533 534 function backslashit($string) { 535 $string = preg_replace('/^([0-9])/', '\\\\\\\\\1', $string); 536 $string = preg_replace('/([a-z])/i', '\\\\\1', $string); 537 return $string; 538 } 539 540 function trailingslashit($string) { 541 if ( '/' != substr($string, -1)) { 542 $string .= '/'; 543 } 544 return $string; 545 } 546 547 function addslashes_gpc($gpc) { 548 global $wpdb; 549 550 if (get_magic_quotes_gpc()) { 551 $gpc = stripslashes($gpc); 552 } 553 554 return $wpdb->escape($gpc); 555 } 556 557 558 function stripslashes_deep($value) 559 { 560 $value = is_array($value) ? 561 array_map('stripslashes_deep', $value) : 562 stripslashes($value); 563 564 return $value; 565 } 566 567 function antispambot($emailaddy, $mailto=0) { 568 $emailNOSPAMaddy = ''; 569 srand ((float) microtime() * 1000000); 570 for ($i = 0; $i < strlen($emailaddy); $i = $i + 1) { 571 $j = floor(rand(0, 1+$mailto)); 572 if ($j==0) { 573 $emailNOSPAMaddy .= '&#'.ord(substr($emailaddy,$i,1)).';'; 574 } elseif ($j==1) { 575 $emailNOSPAMaddy .= substr($emailaddy,$i,1); 576 } elseif ($j==2) { 577 $emailNOSPAMaddy .= '%'.zeroise(dechex(ord(substr($emailaddy, $i, 1))), 2); 578 } 579 } 580 $emailNOSPAMaddy = str_replace('@','@',$emailNOSPAMaddy); 581 return $emailNOSPAMaddy; 582 } 583 584 function make_clickable($ret) { 585 $ret = ' ' . $ret; 586 $ret = preg_replace("#(^|[\n ])([\w]+?://[\w\#$%&~/.\-;:=,?@\[\]+]*)#is", "$1<a href='$2' rel='nofollow'>$2</a>", $ret); 587 $ret = preg_replace("#(^|[\n ])((www|ftp)\.[\w\#$%&~/.\-;:=,?@\[\]+]*)#is", "$1<a href='http://$2' rel='nofollow'>$2</a>", $ret); 588 $ret = preg_replace("#(\s)([a-z0-9\-_.]+)@([^,< \n\r]+)#i", "$1<a href=\"mailto:$2@$3\">$2@$3</a>", $ret); 589 $ret = substr($ret, 1); 590 $ret = trim($ret); 591 return $ret; 592 } 593 594 function wp_rel_nofollow( $text ) { 595 global $wpdb; 596 // This is a pre save filter, so text is already escaped. 597 $text = stripslashes($text); 598 $text = preg_replace('|<a (.+?)>|i', '<a $1 rel="nofollow">', $text); 599 $text = $wpdb->escape($text); 600 return $text; 601 } 602 603 function convert_smilies($text) { 604 global $wp_smiliessearch, $wp_smiliesreplace; 605 $output = ''; 606 if (get_settings('use_smilies')) { 607 // HTML loop taken from texturize function, could possible be consolidated 608 $textarr = preg_split("/(<.*>)/U", $text, -1, PREG_SPLIT_DELIM_CAPTURE); // capture the tags as well as in between 609 $stop = count($textarr);// loop stuff 610 for ($i = 0; $i < $stop; $i++) { 611 $content = $textarr[$i]; 612 if ((strlen($content) > 0) && ('<' != $content{0})) { // If it's not a tag 613 $content = str_replace($wp_smiliessearch, $wp_smiliesreplace, $content); 614 } 615 $output .= $content; 616 } 617 } else { 618 // return default text. 619 $output = $text; 620 } 621 return $output; 622 } 623 624 625 function is_email($user_email) { 626 $chars = "/^([a-z0-9+_]|\\-|\\.)+@(([a-z0-9_]|\\-)+\\.)+[a-z]{2,6}\$/i"; 627 if(strstr($user_email, '@') && strstr($user_email, '.')) { 628 if (preg_match($chars, $user_email)) { 629 return true; 630 } else { 631 return false; 632 } 633 } else { 634 return false; 635 } 636 } 637 638 // used by wp-mail to handle charsets in email subjects 639 function wp_iso_descrambler($string) { 640 /* this may only work with iso-8859-1, I'm afraid */ 641 if (!preg_match('#\=\?(.+)\?Q\?(.+)\?\=#i', $string, $matches)) { 642 return $string; 643 } else { 644 $subject = str_replace('_', ' ', $matches[2]); 645 $subject = preg_replace('#\=([0-9a-f]{2})#ei', "chr(hexdec(strtolower('$1')))", $subject); 646 return $subject; 647 } 648 } 649 650 651 // give it a date, it will give you the same date as GMT 652 function get_gmt_from_date($string) { 653 // note: this only substracts $time_difference from the given date 654 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); 655 $string_time = gmmktime($matches[4], $matches[5], $matches[6], $matches[2], $matches[3], $matches[1]); 656 $string_gmt = gmdate('Y-m-d H:i:s', $string_time - get_settings('gmt_offset') * 3600); 657 return $string_gmt; 658 } 659 660 // give it a GMT date, it will give you the same date with $time_difference added 661 function get_date_from_gmt($string) { 662 // note: this only adds $time_difference to the given date 663 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); 664 $string_time = gmmktime($matches[4], $matches[5], $matches[6], $matches[2], $matches[3], $matches[1]); 665 $string_localtime = gmdate('Y-m-d H:i:s', $string_time + get_settings('gmt_offset')*3600); 666 return $string_localtime; 667 } 668 669 // computes an offset in seconds from an iso8601 timezone 670 function iso8601_timezone_to_offset($timezone) { 671 // $timezone is either 'Z' or '[+|-]hhmm' 672 if ($timezone == 'Z') { 673 $offset = 0; 674 } else { 675 $sign = (substr($timezone, 0, 1) == '+') ? 1 : -1; 676 $hours = intval(substr($timezone, 1, 2)); 677 $minutes = intval(substr($timezone, 3, 4)) / 60; 678 $offset = $sign * 3600 * ($hours + $minutes); 679 } 680 return $offset; 681 } 682 683 // converts an iso8601 date to MySQL DateTime format used by post_date[_gmt] 684 function iso8601_to_datetime($date_string, $timezone = USER) { 685 if ($timezone == GMT) { 686 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, $date_bits); 687 if (!empty($date_bits[7])) { // we have a timezone, so let's compute an offset 688 $offset = iso8601_timezone_to_offset($date_bits[7]); 689 } else { // we don't have a timezone, so we assume user local timezone (not server's!) 690 $offset = 3600 * get_settings('gmt_offset'); 691 } 692 $timestamp = gmmktime($date_bits[4], $date_bits[5], $date_bits[6], $date_bits[2], $date_bits[3], $date_bits[1]); 693 $timestamp -= $offset; 694 return gmdate('Y-m-d H:i:s', $timestamp); 695 } elseif ($timezone == USER) { 696 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', $date_string); 697 } 698 } 699 700 function popuplinks($text) { 701 // Comment text in popup windows should be filtered through this. 702 // Right now it's a moderately dumb function, ideally it would detect whether 703 // a target or rel attribute was already there and adjust its actions accordingly. 704 $text = preg_replace('/<a (.+?)>/i', "<a $1 target='_blank' rel='external'>", $text); 705 return $text; 706 } 707 708 function sanitize_email($email) { 709 return preg_replace('/[^a-z0-9+_.@-]/i', '', $email); 710 } 711 712 function human_time_diff( $from, $to = '' ) { 713 if ( empty($to) ) 714 $to = time(); 715 $diff = (int) abs($to - $from); 716 if ($diff <= 3600) { 717 $mins = round($diff / 60); 718 if ($mins <= 1) 719 $since = __('1 min'); 720 else 721 $since = sprintf( __('%s mins'), $mins); 722 } else if (($diff <= 86400) && ($diff > 3600)) { 723 $hours = round($diff / 3600); 724 if ($hours <= 1) 725 $since = __('1 hour'); 726 else 727 $since = sprintf( __('%s hours'), $hours ); 728 } elseif ($diff >= 86400) { 729 $days = round($diff / 86400); 730 if ($days <= 1) 731 $since = __('1 day'); 732 else 733 $since = sprintf( __('%s days'), $days ); 734 } 735 return $since; 736 } 737 738 function wp_trim_excerpt($text) { // Fakes an excerpt if needed 739 global $post; 740 if ( '' == $text ) { 741 $text = $post->post_content; 742 $text = apply_filters('the_content', $text); 743 $text = str_replace(']]>', ']]>', $text); 744 $text = strip_tags($text); 745 $excerpt_length = 55; 746 $words = explode(' ', $text, $excerpt_length + 1); 747 if (count($words) > $excerpt_length) { 748 array_pop($words); 749 array_push($words, '[...]'); 750 $text = implode(' ', $words); 751 } 752 } 753 return $text; 754 } 755 756 function ent2ncr($text) { 757 $to_ncr = array( 758 '"' => '"', 759 '&' => '&', 760 '⁄' => '/', 761 '<' => '<', 762 '>' => '>', 763 '|' => '|', 764 ' ' => ' ', 765 '¡' => '¡', 766 '¢' => '¢', 767 '£' => '£', 768 '¤' => '¤', 769 '¥' => '¥', 770 '¦' => '¦', 771 '&brkbar;' => '¦', 772 '§' => '§', 773 '¨' => '¨', 774 '¨' => '¨', 775 '©' => '©', 776 'ª' => 'ª', 777 '«' => '«', 778 '¬' => '¬', 779 '­' => '­', 780 '®' => '®', 781 '¯' => '¯', 782 '&hibar;' => '¯', 783 '°' => '°', 784 '±' => '±', 785 '²' => '²', 786 '³' => '³', 787 '´' => '´', 788 'µ' => 'µ', 789 '¶' => '¶', 790 '·' => '·', 791 '¸' => '¸', 792 '¹' => '¹', 793 'º' => 'º', 794 '»' => '»', 795 '¼' => '¼', 796 '½' => '½', 797 '¾' => '¾', 798 '¿' => '¿', 799 'À' => 'À', 800 'Á' => 'Á', 801 'Â' => 'Â', 802 'Ã' => 'Ã', 803 'Ä' => 'Ä', 804 'Å' => 'Å', 805 'Æ' => 'Æ', 806 'Ç' => 'Ç', 807 'È' => 'È', 808 'É' => 'É', 809 'Ê' => 'Ê', 810 'Ë' => 'Ë', 811 'Ì' => 'Ì', 812 'Í' => 'Í', 813 'Î' => 'Î', 814 'Ï' => 'Ï', 815 'Ð' => 'Ð', 816 'Ñ' => 'Ñ', 817 'Ò' => 'Ò', 818 'Ó' => 'Ó', 819 'Ô' => 'Ô', 820 'Õ' => 'Õ', 821 'Ö' => 'Ö', 822 '×' => '×', 823 'Ø' => 'Ø', 824 'Ù' => 'Ù', 825 'Ú' => 'Ú', 826 'Û' => 'Û', 827 'Ü' => 'Ü', 828 'Ý' => 'Ý', 829 'Þ' => 'Þ', 830 'ß' => 'ß', 831 'à' => 'à', 832 'á' => 'á', 833 'â' => 'â', 834 'ã' => 'ã', 835 'ä' => 'ä', 836 'å' => 'å', 837 'æ' => 'æ', 838 'ç' => 'ç', 839 'è' => 'è', 840 'é' => 'é', 841 'ê' => 'ê', 842 'ë' => 'ë', 843 'ì' => 'ì', 844 'í' => 'í', 845 'î' => 'î', 846 'ï' => 'ï', 847 'ð' => 'ð', 848 'ñ' => 'ñ', 849 'ò' => 'ò', 850 'ó' => 'ó', 851 'ô' => 'ô', 852 'õ' => 'õ', 853 'ö' => 'ö', 854 '÷' => '÷', 855 'ø' => 'ø', 856 'ù' => 'ù', 857 'ú' => 'ú', 858 'û' => 'û', 859 'ü' => 'ü', 860 'ý' => 'ý', 861 'þ' => 'þ', 862 'ÿ' => 'ÿ', 863 'Œ' => 'Œ', 864 'œ' => 'œ', 865 'Š' => 'Š', 866 'š' => 'š', 867 'Ÿ' => 'Ÿ', 868 'ƒ' => 'ƒ', 869 'ˆ' => 'ˆ', 870 '˜' => '˜', 871 'Α' => 'Α', 872 'Β' => 'Β', 873 'Γ' => 'Γ', 874 'Δ' => 'Δ', 875 'Ε' => 'Ε', 876 'Ζ' => 'Ζ', 877 'Η' => 'Η', 878 'Θ' => 'Θ', 879 'Ι' => 'Ι', 880 'Κ' => 'Κ', 881 'Λ' => 'Λ', 882 'Μ' => 'Μ', 883 'Ν' => 'Ν', 884 'Ξ' => 'Ξ', 885 'Ο' => 'Ο', 886 'Π' => 'Π', 887 'Ρ' => 'Ρ', 888 'Σ' => 'Σ', 889 'Τ' => 'Τ', 890 'Υ' => 'Υ', 891 'Φ' => 'Φ', 892 'Χ' => 'Χ', 893 'Ψ' => 'Ψ', 894 'Ω' => 'Ω', 895 'α' => 'α', 896 'β' => 'β', 897 'γ' => 'γ', 898 'δ' => 'δ', 899 'ε' => 'ε', 900 'ζ' => 'ζ', 901 'η' => 'η', 902 'θ' => 'θ', 903 'ι' => 'ι', 904 'κ' => 'κ', 905 'λ' => 'λ', 906 'μ' => 'μ', 907 'ν' => 'ν', 908 'ξ' => 'ξ', 909 'ο' => 'ο', 910 'π' => 'π', 911 'ρ' => 'ρ', 912 'ς' => 'ς', 913 'σ' => 'σ', 914 'τ' => 'τ', 915 'υ' => 'υ', 916 'φ' => 'φ', 917 'χ' => 'χ', 918 'ψ' => 'ψ', 919 'ω' => 'ω', 920 'ϑ' => 'ϑ', 921 'ϒ' => 'ϒ', 922 'ϖ' => 'ϖ', 923 ' ' => ' ', 924 ' ' => ' ', 925 ' ' => ' ', 926 '‌' => '‌', 927 '‍' => '‍', 928 '‎' => '‎', 929 '‏' => '‏', 930 '–' => '–', 931 '—' => '—', 932 '‘' => '‘', 933 '’' => '’', 934 '‚' => '‚', 935 '“' => '“', 936 '”' => '”', 937 '„' => '„', 938 '†' => '†', 939 '‡' => '‡', 940 '•' => '•', 941 '…' => '…', 942 '‰' => '‰', 943 '′' => '′', 944 '″' => '″', 945 '‹' => '‹', 946 '›' => '›', 947 '‾' => '‾', 948 '⁄' => '⁄', 949 '€' => '€', 950 'ℑ' => 'ℑ', 951 '℘' => '℘', 952 'ℜ' => 'ℜ', 953 '™' => '™', 954 'ℵ' => 'ℵ', 955 '↵' => '↵', 956 '⇐' => '⇐', 957 '⇑' => '⇑', 958 '⇒' => '⇒', 959 '⇓' => '⇓', 960 '⇔' => '⇔', 961 '∀' => '∀', 962 '∂' => '∂', 963 '∃' => '∃', 964 '∅' => '∅', 965 '∇' => '∇', 966 '∈' => '∈', 967 '∉' => '∉', 968 '∋' => '∋', 969 '∏' => '∏', 970 '∑' => '∑', 971 '−' => '−', 972 '∗' => '∗', 973 '√' => '√', 974 '∝' => '∝', 975 '∞' => '∞', 976 '∠' => '∠', 977 '∧' => '∧', 978 '∨' => '∨', 979 '∩' => '∩', 980 '∪' => '∪', 981 '∫' => '∫', 982 '∴' => '∴', 983 '∼' => '∼', 984 '≅' => '≅', 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 '↔' => '↔', 1010 '◊' => '◊', 1011 '♠' => '♠', 1012 '♣' => '♣', 1013 '♥' => '♥', 1014 '♦' => '♦' 1015 ); 1016 1017 return str_replace( array_keys($to_ncr), array_values($to_ncr), $text ); 1018 } 1019 1020 function wp_richedit_pre($text) { 1021 // Filtering a blank results in an annoying <br />\n 1022 if ( empty($text) ) return apply_filters('richedit_pre', ''); 1023 1024 $output = $text; 1025 $output = convert_chars($output); 1026 $output = wpautop($output); 1027 1028 // These must be double-escaped or planets will collide. 1029 $output = str_replace('<', '&lt;', $output); 1030 $output = str_replace('>', '&gt;', $output); 1031 1032 return apply_filters('richedit_pre', $output); 1033 } 1034 1035 function clean_url( $url ) { 1036 if ('' == $url) return $url; 1037 $url = preg_replace('|[^a-z0-9-~+_.?#=&;,/:]|i', '', $url); 1038 $url = str_replace(';//', '://', $url); 1039 $url = (!strstr($url, '://')) ? 'http://'.$url : $url; 1040 $url = preg_replace('/&([^#])(?![a-z]{2,8};)/', '&$1', $url); 1041 return $url; 1042 } 1043 1044 // Borrowed from the PHP Manual user notes. Convert entities, while 1045 // preserving already-encoded entities: 1046 function htmlentities2($myHTML) { 1047 $translation_table=get_html_translation_table (HTML_ENTITIES,ENT_QUOTES); 1048 $translation_table[chr(38)] = '&'; 1049 return preg_replace("/&(?![A-Za-z]{0,4}\w{2,3};|#[0-9]{2,3};)/","&" , strtr($myHTML, $translation_table)); 1050 } 1051 1052 // Escape single quotes, specialchar double quotes, and fix line endings. 1053 function js_escape($text) { 1054 $text = wp_specialchars($text, 'double'); 1055 $text = str_replace(''', "'", $text); 1056 return preg_replace("/\r?\n/", "\\n", addslashes($text)); 1057 } 1058 1059 ?>
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| Generated: Sat Jul 15 11:57:04 2006 | Courtesy of Taragana |