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Code source de WordPress 2.1.2 |
1 <?php 2 3 function wptexturize($text) { 4 global $wp_cockneyreplace; 5 $next = true; 6 $output = ''; 7 $curl = ''; 8 $textarr = preg_split('/(<.*>)/Us', $text, -1, PREG_SPLIT_DELIM_CAPTURE); 9 $stop = count($textarr); 10 11 // if a plugin has provided an autocorrect array, use it 12 if ( isset($wp_cockneyreplace) ) { 13 $cockney = array_keys($wp_cockneyreplace); 14 $cockney_replace = array_values($wp_cockneyreplace); 15 } else { 16 $cockney = array("'tain't","'twere","'twas","'tis","'twill","'til","'bout","'nuff","'round","'cause"); 17 $cockneyreplace = array("’tain’t","’twere","’twas","’tis","’twill","’til","’bout","’nuff","’round","’cause"); 18 } 19 20 $static_characters = array_merge(array('---', ' -- ', '--', 'xn–', '...', '``', '\'s', '\'\'', ' (tm)'), $cockney); 21 $static_replacements = array_merge(array('—', ' — ', '–', 'xn--', '…', '“', '’s', '”', ' ™'), $cockneyreplace); 22 23 $dynamic_characters = array('/\'(\d\d(?:’|\')?s)/', '/(\s|\A|")\'/', '/(\d+)"/', '/(\d+)\'/', '/(\S)\'([^\'\s])/', '/(\s|\A)"(?!\s)/', '/"(\s|\S|\Z)/', '/\'([\s.]|\Z)/', '/(\d+)x(\d+)/'); 24 $dynamic_replacements = array('’$1','$1‘', '$1″', '$1′', '$1’$2', '$1“$2', '”$1', '’$1', '$1×$2'); 25 26 for ( $i = 0; $i < $stop; $i++ ) { 27 $curl = $textarr[$i]; 28 29 if (isset($curl{0}) && '<' != $curl{0} && $next) { // If it's not a tag 30 // static strings 31 $curl = str_replace($static_characters, $static_replacements, $curl); 32 33 // regular expressions 34 $curl = preg_replace($dynamic_characters, $dynamic_replacements, $curl); 35 } elseif ( strstr($curl, '<code') || strstr($curl, '<pre') || strstr($curl, '<kbd') || strstr($curl, '<style') || strstr($curl, '<script') ) { 36 $next = false; 37 } else { 38 $next = true; 39 } 40 41 $curl = preg_replace('/&([^#])(?![a-zA-Z1-4]{1,8};)/', '&$1', $curl); 42 $output .= $curl; 43 } 44 45 return $output; 46 } 47 48 function clean_pre($text) { 49 $text = str_replace('<br />', '', $text); 50 $text = str_replace('<p>', "\n", $text); 51 $text = str_replace('</p>', '', $text); 52 return $text; 53 } 54 55 function wpautop($pee, $br = 1) { 56 $pee = $pee . "\n"; // just to make things a little easier, pad the end 57 $pee = preg_replace('|<br />\s*<br />|', "\n\n", $pee); 58 // Space things out a little 59 $allblocks = '(?:table|thead|tfoot|caption|colgroup|tbody|tr|td|th|div|dl|dd|dt|ul|ol|li|pre|select|form|blockquote|address|math|style|script|object|input|param|p|h[1-6])'; 60 $pee = preg_replace('!(<' . $allblocks . '[^>]*>)!', "\n$1", $pee); 61 $pee = preg_replace('!(</' . $allblocks . '>)!', "$1\n\n", $pee); 62 $pee = str_replace(array("\r\n", "\r"), "\n", $pee); // cross-platform newlines 63 $pee = preg_replace("/\n\n+/", "\n\n", $pee); // take care of duplicates 64 $pee = preg_replace('/\n?(.+?)(?:\n\s*\n|\z)/s', "<p>$1</p>\n", $pee); // make paragraphs, including one at the end 65 $pee = preg_replace('|<p>\s*?</p>|', '', $pee); // under certain strange conditions it could create a P of entirely whitespace 66 $pee = preg_replace('!<p>([^<]+)\s*?(</(?:div|address|form)[^>]*>)!', "<p>$1</p>$2", $pee); 67 $pee = preg_replace( '|<p>|', "$1<p>", $pee ); 68 $pee = preg_replace('!<p>\s*(</?' . $allblocks . '[^>]*>)\s*</p>!', "$1", $pee); // don't pee all over a tag 69 $pee = preg_replace("|<p>(<li.+?)</p>|", "$1", $pee); // problem with nested lists 70 $pee = preg_replace('|<p><blockquote([^>]*)>|i', "<blockquote$1><p>", $pee); 71 $pee = str_replace('</blockquote></p>', '</p></blockquote>', $pee); 72 $pee = preg_replace('!<p>\s*(</?' . $allblocks . '[^>]*>)!', "$1", $pee); 73 $pee = preg_replace('!(</?' . $allblocks . '[^>]*>)\s*</p>!', "$1", $pee); 74 if ($br) { 75 $pee = preg_replace('/<(script|style).*?<\/\\1>/se', 'str_replace("\n", "<WPPreserveNewline />", "\\0")', $pee); 76 $pee = preg_replace('|(?<!<br />)\s*\n|', "<br />\n", $pee); // optionally make line breaks 77 $pee = str_replace('<WPPreserveNewline />', "\n", $pee); 78 } 79 $pee = preg_replace('!(</?' . $allblocks . '[^>]*>)\s*<br />!', "$1", $pee); 80 $pee = preg_replace('!<br />(\s*</?(?:p|li|div|dl|dd|dt|th|pre|td|ul|ol)[^>]*>)!', '$1', $pee); 81 if ( strstr( $pee, '<pre' ) ) 82 $pee = preg_replace('!(<pre.*?>)(.*?)</pre>!ise', " stripslashes('$1') . stripslashes(clean_pre('$2')) . '</pre>' ", $pee); 83 $pee = preg_replace( "|\n</p>$|", '</p>', $pee ); 84 85 return $pee; 86 } 87 88 89 function seems_utf8($Str) { # by bmorel at ssi dot fr 90 for ($i=0; $i<strlen($Str); $i++) { 91 if (ord($Str[$i]) < 0x80) continue; # 0bbbbbbb 92 elseif ((ord($Str[$i]) & 0xE0) == 0xC0) $n=1; # 110bbbbb 93 elseif ((ord($Str[$i]) & 0xF0) == 0xE0) $n=2; # 1110bbbb 94 elseif ((ord($Str[$i]) & 0xF8) == 0xF0) $n=3; # 11110bbb 95 elseif ((ord($Str[$i]) & 0xFC) == 0xF8) $n=4; # 111110bb 96 elseif ((ord($Str[$i]) & 0xFE) == 0xFC) $n=5; # 1111110b 97 else return false; # Does not match any model 98 for ($j=0; $j<$n; $j++) { # n bytes matching 10bbbbbb follow ? 99 if ((++$i == strlen($Str)) || ((ord($Str[$i]) & 0xC0) != 0x80)) 100 return false; 101 } 102 } 103 return true; 104 } 105 106 function wp_specialchars( $text, $quotes = 0 ) { 107 // Like htmlspecialchars except don't double-encode HTML entities 108 $text = str_replace('&&', '&&', $text); 109 $text = str_replace('&&', '&&', $text); 110 $text = preg_replace('/&(?:$|([^#])(?![a-z1-4]{1,8};))/', '&$1', $text); 111 $text = str_replace('<', '<', $text); 112 $text = str_replace('>', '>', $text); 113 if ( 'double' === $quotes ) { 114 $text = str_replace('"', '"', $text); 115 } elseif ( 'single' === $quotes ) { 116 $text = str_replace("'", ''', $text); 117 } elseif ( $quotes ) { 118 $text = str_replace('"', '"', $text); 119 $text = str_replace("'", ''', $text); 120 } 121 return $text; 122 } 123 124 function utf8_uri_encode( $utf8_string, $length = 0 ) { 125 $unicode = ''; 126 $values = array(); 127 $num_octets = 1; 128 129 for ($i = 0; $i < strlen( $utf8_string ); $i++ ) { 130 131 $value = ord( $utf8_string[ $i ] ); 132 133 if ( $value < 128 ) { 134 if ( $length && ( strlen($unicode) + 1 > $length ) ) 135 break; 136 $unicode .= chr($value); 137 } else { 138 if ( count( $values ) == 0 ) $num_octets = ( $value < 224 ) ? 2 : 3; 139 140 $values[] = $value; 141 142 if ( $length && ( (strlen($unicode) + ($num_octets * 3)) > $length ) ) 143 break; 144 if ( count( $values ) == $num_octets ) { 145 if ($num_octets == 3) { 146 $unicode .= '%' . dechex($values[0]) . '%' . dechex($values[1]) . '%' . dechex($values[2]); 147 } else { 148 $unicode .= '%' . dechex($values[0]) . '%' . dechex($values[1]); 149 } 150 151 $values = array(); 152 $num_octets = 1; 153 } 154 } 155 } 156 157 return $unicode; 158 } 159 160 function remove_accents($string) { 161 if ( !preg_match('/[\x80-\xff]/', $string) ) 162 return $string; 163 164 if (seems_utf8($string)) { 165 $chars = array( 166 // Decompositions for Latin-1 Supplement 167 chr(195).chr(128) => 'A', chr(195).chr(129) => 'A', 168 chr(195).chr(130) => 'A', chr(195).chr(131) => 'A', 169 chr(195).chr(132) => 'A', chr(195).chr(133) => 'A', 170 chr(195).chr(135) => 'C', chr(195).chr(136) => 'E', 171 chr(195).chr(137) => 'E', chr(195).chr(138) => 'E', 172 chr(195).chr(139) => 'E', chr(195).chr(140) => 'I', 173 chr(195).chr(141) => 'I', chr(195).chr(142) => 'I', 174 chr(195).chr(143) => 'I', chr(195).chr(145) => 'N', 175 chr(195).chr(146) => 'O', chr(195).chr(147) => 'O', 176 chr(195).chr(148) => 'O', chr(195).chr(149) => 'O', 177 chr(195).chr(150) => 'O', chr(195).chr(153) => 'U', 178 chr(195).chr(154) => 'U', chr(195).chr(155) => 'U', 179 chr(195).chr(156) => 'U', chr(195).chr(157) => 'Y', 180 chr(195).chr(159) => 's', chr(195).chr(160) => 'a', 181 chr(195).chr(161) => 'a', chr(195).chr(162) => 'a', 182 chr(195).chr(163) => 'a', chr(195).chr(164) => 'a', 183 chr(195).chr(165) => 'a', chr(195).chr(167) => 'c', 184 chr(195).chr(168) => 'e', chr(195).chr(169) => 'e', 185 chr(195).chr(170) => 'e', chr(195).chr(171) => 'e', 186 chr(195).chr(172) => 'i', chr(195).chr(173) => 'i', 187 chr(195).chr(174) => 'i', chr(195).chr(175) => 'i', 188 chr(195).chr(177) => 'n', chr(195).chr(178) => 'o', 189 chr(195).chr(179) => 'o', chr(195).chr(180) => 'o', 190 chr(195).chr(181) => 'o', chr(195).chr(182) => 'o', 191 chr(195).chr(182) => 'o', chr(195).chr(185) => 'u', 192 chr(195).chr(186) => 'u', chr(195).chr(187) => 'u', 193 chr(195).chr(188) => 'u', chr(195).chr(189) => 'y', 194 chr(195).chr(191) => 'y', 195 // Decompositions for Latin Extended-A 196 chr(196).chr(128) => 'A', chr(196).chr(129) => 'a', 197 chr(196).chr(130) => 'A', chr(196).chr(131) => 'a', 198 chr(196).chr(132) => 'A', chr(196).chr(133) => 'a', 199 chr(196).chr(134) => 'C', chr(196).chr(135) => 'c', 200 chr(196).chr(136) => 'C', chr(196).chr(137) => 'c', 201 chr(196).chr(138) => 'C', chr(196).chr(139) => 'c', 202 chr(196).chr(140) => 'C', chr(196).chr(141) => 'c', 203 chr(196).chr(142) => 'D', chr(196).chr(143) => 'd', 204 chr(196).chr(144) => 'D', chr(196).chr(145) => 'd', 205 chr(196).chr(146) => 'E', chr(196).chr(147) => 'e', 206 chr(196).chr(148) => 'E', chr(196).chr(149) => 'e', 207 chr(196).chr(150) => 'E', chr(196).chr(151) => 'e', 208 chr(196).chr(152) => 'E', chr(196).chr(153) => 'e', 209 chr(196).chr(154) => 'E', chr(196).chr(155) => 'e', 210 chr(196).chr(156) => 'G', chr(196).chr(157) => 'g', 211 chr(196).chr(158) => 'G', chr(196).chr(159) => 'g', 212 chr(196).chr(160) => 'G', chr(196).chr(161) => 'g', 213 chr(196).chr(162) => 'G', chr(196).chr(163) => 'g', 214 chr(196).chr(164) => 'H', chr(196).chr(165) => 'h', 215 chr(196).chr(166) => 'H', chr(196).chr(167) => 'h', 216 chr(196).chr(168) => 'I', chr(196).chr(169) => 'i', 217 chr(196).chr(170) => 'I', chr(196).chr(171) => 'i', 218 chr(196).chr(172) => 'I', chr(196).chr(173) => 'i', 219 chr(196).chr(174) => 'I', chr(196).chr(175) => 'i', 220 chr(196).chr(176) => 'I', chr(196).chr(177) => 'i', 221 chr(196).chr(178) => 'IJ',chr(196).chr(179) => 'ij', 222 chr(196).chr(180) => 'J', chr(196).chr(181) => 'j', 223 chr(196).chr(182) => 'K', chr(196).chr(183) => 'k', 224 chr(196).chr(184) => 'k', chr(196).chr(185) => 'L', 225 chr(196).chr(186) => 'l', chr(196).chr(187) => 'L', 226 chr(196).chr(188) => 'l', chr(196).chr(189) => 'L', 227 chr(196).chr(190) => 'l', chr(196).chr(191) => 'L', 228 chr(197).chr(128) => 'l', chr(197).chr(129) => 'L', 229 chr(197).chr(130) => 'l', chr(197).chr(131) => 'N', 230 chr(197).chr(132) => 'n', chr(197).chr(133) => 'N', 231 chr(197).chr(134) => 'n', chr(197).chr(135) => 'N', 232 chr(197).chr(136) => 'n', chr(197).chr(137) => 'N', 233 chr(197).chr(138) => 'n', chr(197).chr(139) => 'N', 234 chr(197).chr(140) => 'O', chr(197).chr(141) => 'o', 235 chr(197).chr(142) => 'O', chr(197).chr(143) => 'o', 236 chr(197).chr(144) => 'O', chr(197).chr(145) => 'o', 237 chr(197).chr(146) => 'OE',chr(197).chr(147) => 'oe', 238 chr(197).chr(148) => 'R',chr(197).chr(149) => 'r', 239 chr(197).chr(150) => 'R',chr(197).chr(151) => 'r', 240 chr(197).chr(152) => 'R',chr(197).chr(153) => 'r', 241 chr(197).chr(154) => 'S',chr(197).chr(155) => 's', 242 chr(197).chr(156) => 'S',chr(197).chr(157) => 's', 243 chr(197).chr(158) => 'S',chr(197).chr(159) => 's', 244 chr(197).chr(160) => 'S', chr(197).chr(161) => 's', 245 chr(197).chr(162) => 'T', chr(197).chr(163) => 't', 246 chr(197).chr(164) => 'T', chr(197).chr(165) => 't', 247 chr(197).chr(166) => 'T', chr(197).chr(167) => 't', 248 chr(197).chr(168) => 'U', chr(197).chr(169) => 'u', 249 chr(197).chr(170) => 'U', chr(197).chr(171) => 'u', 250 chr(197).chr(172) => 'U', chr(197).chr(173) => 'u', 251 chr(197).chr(174) => 'U', chr(197).chr(175) => 'u', 252 chr(197).chr(176) => 'U', chr(197).chr(177) => 'u', 253 chr(197).chr(178) => 'U', chr(197).chr(179) => 'u', 254 chr(197).chr(180) => 'W', chr(197).chr(181) => 'w', 255 chr(197).chr(182) => 'Y', chr(197).chr(183) => 'y', 256 chr(197).chr(184) => 'Y', chr(197).chr(185) => 'Z', 257 chr(197).chr(186) => 'z', chr(197).chr(187) => 'Z', 258 chr(197).chr(188) => 'z', chr(197).chr(189) => 'Z', 259 chr(197).chr(190) => 'z', chr(197).chr(191) => 's', 260 // Euro Sign 261 chr(226).chr(130).chr(172) => 'E', 262 // GBP (Pound) Sign 263 chr(194).chr(163) => ''); 264 265 $string = strtr($string, $chars); 266 } else { 267 // Assume ISO-8859-1 if not UTF-8 268 $chars['in'] = chr(128).chr(131).chr(138).chr(142).chr(154).chr(158) 269 .chr(159).chr(162).chr(165).chr(181).chr(192).chr(193).chr(194) 270 .chr(195).chr(196).chr(197).chr(199).chr(200).chr(201).chr(202) 271 .chr(203).chr(204).chr(205).chr(206).chr(207).chr(209).chr(210) 272 .chr(211).chr(212).chr(213).chr(214).chr(216).chr(217).chr(218) 273 .chr(219).chr(220).chr(221).chr(224).chr(225).chr(226).chr(227) 274 .chr(228).chr(229).chr(231).chr(232).chr(233).chr(234).chr(235) 275 .chr(236).chr(237).chr(238).chr(239).chr(241).chr(242).chr(243) 276 .chr(244).chr(245).chr(246).chr(248).chr(249).chr(250).chr(251) 277 .chr(252).chr(253).chr(255); 278 279 $chars['out'] = "EfSZszYcYuAAAAAACEEEEIIIINOOOOOOUUUUYaaaaaaceeeeiiiinoooooouuuuyy"; 280 281 $string = strtr($string, $chars['in'], $chars['out']); 282 $double_chars['in'] = array(chr(140), chr(156), chr(198), chr(208), chr(222), chr(223), chr(230), chr(240), chr(254)); 283 $double_chars['out'] = array('OE', 'oe', 'AE', 'DH', 'TH', 'ss', 'ae', 'dh', 'th'); 284 $string = str_replace($double_chars['in'], $double_chars['out'], $string); 285 } 286 287 return $string; 288 } 289 290 function sanitize_file_name( $name ) { // Like sanitize_title, but with periods 291 $name = strtolower( $name ); 292 $name = preg_replace('/&.+?;/', '', $name); // kill entities 293 $name = str_replace( '_', '-', $name ); 294 $name = preg_replace('/[^a-z0-9\s-.]/', '', $name); 295 $name = preg_replace('/\s+/', '-', $name); 296 $name = preg_replace('|-+|', '-', $name); 297 $name = trim($name, '-'); 298 return $name; 299 } 300 301 function sanitize_user( $username, $strict = false ) { 302 $raw_username = $username; 303 $username = strip_tags($username); 304 // Kill octets 305 $username = preg_replace('|%([a-fA-F0-9][a-fA-F0-9])|', '', $username); 306 $username = preg_replace('/&.+?;/', '', $username); // Kill entities 307 308 // If strict, reduce to ASCII for max portability. 309 if ( $strict ) 310 $username = preg_replace('|[^a-z0-9 _.\-@]|i', '', $username); 311 312 return apply_filters('sanitize_user', $username, $raw_username, $strict); 313 } 314 315 function sanitize_title($title, $fallback_title = '') { 316 $title = strip_tags($title); 317 $title = apply_filters('sanitize_title', $title); 318 319 if (empty($title)) { 320 $title = $fallback_title; 321 } 322 323 return $title; 324 } 325 326 function sanitize_title_with_dashes($title) { 327 $title = strip_tags($title); 328 // Preserve escaped octets. 329 $title = preg_replace('|%([a-fA-F0-9][a-fA-F0-9])|', '---$1---', $title); 330 // Remove percent signs that are not part of an octet. 331 $title = str_replace('%', '', $title); 332 // Restore octets. 333 $title = preg_replace('|---([a-fA-F0-9][a-fA-F0-9])---|', '%$1', $title); 334 335 $title = remove_accents($title); 336 if (seems_utf8($title)) { 337 if (function_exists('mb_strtolower')) { 338 $title = mb_strtolower($title, 'UTF-8'); 339 } 340 $title = utf8_uri_encode($title, 200); 341 } 342 343 $title = strtolower($title); 344 $title = preg_replace('/&.+?;/', '', $title); // kill entities 345 $title = preg_replace('/[^%a-z0-9 _-]/', '', $title); 346 $title = preg_replace('/\s+/', '-', $title); 347 $title = preg_replace('|-+|', '-', $title); 348 $title = trim($title, '-'); 349 350 return $title; 351 } 352 353 function convert_chars($content, $flag = 'obsolete') { 354 // Translation of invalid Unicode references range to valid range 355 $wp_htmltranswinuni = array( 356 '€' => '€', // the Euro sign 357 '' => '', 358 '‚' => '‚', // these are Windows CP1252 specific characters 359 'ƒ' => 'ƒ', // they would look weird on non-Windows browsers 360 '„' => '„', 361 '…' => '…', 362 '†' => '†', 363 '‡' => '‡', 364 'ˆ' => 'ˆ', 365 '‰' => '‰', 366 'Š' => 'Š', 367 '‹' => '‹', 368 'Œ' => 'Œ', 369 '' => '', 370 'Ž' => 'ž', 371 '' => '', 372 '' => '', 373 '‘' => '‘', 374 '’' => '’', 375 '“' => '“', 376 '”' => '”', 377 '•' => '•', 378 '–' => '–', 379 '—' => '—', 380 '˜' => '˜', 381 '™' => '™', 382 'š' => 'š', 383 '›' => '›', 384 'œ' => 'œ', 385 '' => '', 386 'ž' => '', 387 'Ÿ' => 'Ÿ' 388 ); 389 390 // Remove metadata tags 391 $content = preg_replace('/<title>(.+?)<\/title>/','',$content); 392 $content = preg_replace('/<category>(.+?)<\/category>/','',$content); 393 394 // Converts lone & characters into & (a.k.a. &) 395 $content = preg_replace('/&([^#])(?![a-z1-4]{1,8};)/i', '&$1', $content); 396 397 // Fix Word pasting 398 $content = strtr($content, $wp_htmltranswinuni); 399 400 // Just a little XHTML help 401 $content = str_replace('<br>', '<br />', $content); 402 $content = str_replace('<hr>', '<hr />', $content); 403 404 return $content; 405 } 406 407 function funky_javascript_fix($text) { 408 // Fixes for browsers' javascript bugs 409 global $is_macIE, $is_winIE; 410 411 if ( $is_winIE || $is_macIE ) 412 $text = preg_replace("/\%u([0-9A-F]{4,4})/e", "'&#'.base_convert('\\1',16,10).';'", $text); 413 414 return $text; 415 } 416 417 /* 418 balanceTags 419 420 Balances Tags of string using a modified stack. 421 422 @param text Text to be balanced 423 @param force Forces balancing, ignoring the value of the option 424 @return Returns balanced text 425 @author Leonard Lin (leonard@acm.org) 426 @version v1.1 427 @date November 4, 2001 428 @license GPL v2.0 429 @notes 430 @changelog 431 --- Modified by Scott Reilly (coffee2code) 02 Aug 2004 432 1.2 ***TODO*** Make better - change loop condition to $text 433 1.1 Fixed handling of append/stack pop order of end text 434 Added Cleaning Hooks 435 1.0 First Version 436 */ 437 function balanceTags($text, $force = false) { 438 439 if ( !$force && get_option('use_balanceTags') == 0 ) 440 return $text; 441 442 $tagstack = array(); $stacksize = 0; $tagqueue = ''; $newtext = ''; 443 444 # WP bug fix for comments - in case you REALLY meant to type '< !--' 445 $text = str_replace('< !--', '< !--', $text); 446 # WP bug fix for LOVE <3 (and other situations with '<' before a number) 447 $text = preg_replace('#<([0-9]{1})#', '<$1', $text); 448 449 while (preg_match("/<(\/?\w*)\s*([^>]*)>/",$text,$regex)) { 450 $newtext .= $tagqueue; 451 452 $i = strpos($text,$regex[0]); 453 $l = strlen($regex[0]); 454 455 // clear the shifter 456 $tagqueue = ''; 457 // Pop or Push 458 if ($regex[1][0] == "/") { // End Tag 459 $tag = strtolower(substr($regex[1],1)); 460 // if too many closing tags 461 if($stacksize <= 0) { 462 $tag = ''; 463 //or close to be safe $tag = '/' . $tag; 464 } 465 // if stacktop value = tag close value then pop 466 else if ($tagstack[$stacksize - 1] == $tag) { // found closing tag 467 $tag = '</' . $tag . '>'; // Close Tag 468 // Pop 469 array_pop ($tagstack); 470 $stacksize--; 471 } else { // closing tag not at top, search for it 472 for ($j=$stacksize-1;$j>=0;$j--) { 473 if ($tagstack[$j] == $tag) { 474 // add tag to tagqueue 475 for ($k=$stacksize-1;$k>=$j;$k--){ 476 $tagqueue .= '</' . array_pop ($tagstack) . '>'; 477 $stacksize--; 478 } 479 break; 480 } 481 } 482 $tag = ''; 483 } 484 } else { // Begin Tag 485 $tag = strtolower($regex[1]); 486 487 // Tag Cleaning 488 489 // If self-closing or '', don't do anything. 490 if((substr($regex[2],-1) == '/') || ($tag == '')) { 491 } 492 // ElseIf it's a known single-entity tag but it doesn't close itself, do so 493 elseif ($tag == 'br' || $tag == 'img' || $tag == 'hr' || $tag == 'input') { 494 $regex[2] .= '/'; 495 } else { // Push the tag onto the stack 496 // If the top of the stack is the same as the tag we want to push, close previous tag 497 if (($stacksize > 0) && ($tag != 'div') && ($tagstack[$stacksize - 1] == $tag)) { 498 $tagqueue = '</' . array_pop ($tagstack) . '>'; 499 $stacksize--; 500 } 501 $stacksize = array_push ($tagstack, $tag); 502 } 503 504 // Attributes 505 $attributes = $regex[2]; 506 if($attributes) { 507 $attributes = ' '.$attributes; 508 } 509 $tag = '<'.$tag.$attributes.'>'; 510 //If already queuing a close tag, then put this tag on, too 511 if ($tagqueue) { 512 $tagqueue .= $tag; 513 $tag = ''; 514 } 515 } 516 $newtext .= substr($text,0,$i) . $tag; 517 $text = substr($text,$i+$l); 518 } 519 520 // Clear Tag Queue 521 $newtext .= $tagqueue; 522 523 // Add Remaining text 524 $newtext .= $text; 525 526 // Empty Stack 527 while($x = array_pop($tagstack)) { 528 $newtext .= '</' . $x . '>'; // Add remaining tags to close 529 } 530 531 // WP fix for the bug with HTML comments 532 $newtext = str_replace("< !--","<!--",$newtext); 533 $newtext = str_replace("< !--","< !--",$newtext); 534 535 return $newtext; 536 } 537 538 function force_balance_tags($text) { 539 return balanceTags($text, true); 540 } 541 542 function format_to_edit($content, $richedit = false) { 543 $content = apply_filters('format_to_edit', $content); 544 if (! $richedit ) 545 $content = htmlspecialchars($content); 546 return $content; 547 } 548 549 function format_to_post($content) { 550 global $wpdb; 551 $content = apply_filters('format_to_post', $content); 552 return $content; 553 } 554 555 function zeroise($number,$threshold) { // function to add leading zeros when necessary 556 return sprintf('%0'.$threshold.'s', $number); 557 } 558 559 560 function backslashit($string) { 561 $string = preg_replace('/^([0-9])/', '\\\\\\\\\1', $string); 562 $string = preg_replace('/([a-z])/i', '\\\\\1', $string); 563 return $string; 564 } 565 566 function trailingslashit($string) { 567 if ( '/' != substr($string, -1)) { 568 $string .= '/'; 569 } 570 return $string; 571 } 572 573 function addslashes_gpc($gpc) { 574 global $wpdb; 575 576 if (get_magic_quotes_gpc()) { 577 $gpc = stripslashes($gpc); 578 } 579 580 return $wpdb->escape($gpc); 581 } 582 583 584 function stripslashes_deep($value) 585 { 586 $value = is_array($value) ? 587 array_map('stripslashes_deep', $value) : 588 stripslashes($value); 589 590 return $value; 591 } 592 593 function antispambot($emailaddy, $mailto=0) { 594 $emailNOSPAMaddy = ''; 595 srand ((float) microtime() * 1000000); 596 for ($i = 0; $i < strlen($emailaddy); $i = $i + 1) { 597 $j = floor(rand(0, 1+$mailto)); 598 if ($j==0) { 599 $emailNOSPAMaddy .= '&#'.ord(substr($emailaddy,$i,1)).';'; 600 } elseif ($j==1) { 601 $emailNOSPAMaddy .= substr($emailaddy,$i,1); 602 } elseif ($j==2) { 603 $emailNOSPAMaddy .= '%'.zeroise(dechex(ord(substr($emailaddy, $i, 1))), 2); 604 } 605 } 606 $emailNOSPAMaddy = str_replace('@','@',$emailNOSPAMaddy); 607 return $emailNOSPAMaddy; 608 } 609 610 function make_clickable($ret) { 611 $ret = ' ' . $ret; 612 // in testing, using arrays here was found to be faster 613 $ret = preg_replace( 614 array( 615 '#([\s>])([\w]+?://[\w\#$%&~/.\-;:=,?@\[\]+]*)#is', 616 '#([\s>])((www|ftp)\.[\w\#$%&~/.\-;:=,?@\[\]+]*)#is', 617 '#([\s>])([a-z0-9\-_.]+)@([^,< \n\r]+)#i'), 618 array( 619 '$1<a href="$2" rel="nofollow">$2</a>', 620 '$1<a href="http://$2" rel="nofollow">$2</a>', 621 '$1<a href="mailto:$2@$3">$2@$3</a>'),$ret); 622 // this one is not in an array because we need it to run last, for cleanup of accidental links within links 623 $ret = preg_replace("#(<a( [^>]+?>|>))<a [^>]+?>([^>]+?)</a></a>#i", "$1$3</a>", $ret); 624 $ret = trim($ret); 625 return $ret; 626 } 627 628 function wp_rel_nofollow( $text ) { 629 global $wpdb; 630 // This is a pre save filter, so text is already escaped. 631 $text = stripslashes($text); 632 $text = preg_replace('|<a (.+?)>|ie', "'<a ' . str_replace(' rel=\"nofollow\"','',stripslashes('$1')) . ' rel=\"nofollow\">'", $text); 633 $text = $wpdb->escape($text); 634 return $text; 635 } 636 637 function convert_smilies($text) { 638 global $wp_smiliessearch, $wp_smiliesreplace; 639 $output = ''; 640 if (get_option('use_smilies')) { 641 // HTML loop taken from texturize function, could possible be consolidated 642 $textarr = preg_split("/(<.*>)/U", $text, -1, PREG_SPLIT_DELIM_CAPTURE); // capture the tags as well as in between 643 $stop = count($textarr);// loop stuff 644 for ($i = 0; $i < $stop; $i++) { 645 $content = $textarr[$i]; 646 if ((strlen($content) > 0) && ('<' != $content{0})) { // If it's not a tag 647 $content = preg_replace($wp_smiliessearch, $wp_smiliesreplace, $content); 648 } 649 $output .= $content; 650 } 651 } else { 652 // return default text. 653 $output = $text; 654 } 655 return $output; 656 } 657 658 659 function is_email($user_email) { 660 $chars = "/^([a-z0-9+_]|\\-|\\.)+@(([a-z0-9_]|\\-)+\\.)+[a-z]{2,6}\$/i"; 661 if(strstr($user_email, '@') && strstr($user_email, '.')) { 662 if (preg_match($chars, $user_email)) { 663 return true; 664 } else { 665 return false; 666 } 667 } else { 668 return false; 669 } 670 } 671 672 // used by wp-mail to handle charsets in email subjects 673 function wp_iso_descrambler($string) { 674 /* this may only work with iso-8859-1, I'm afraid */ 675 if (!preg_match('#\=\?(.+)\?Q\?(.+)\?\=#i', $string, $matches)) { 676 return $string; 677 } else { 678 $subject = str_replace('_', ' ', $matches[2]); 679 $subject = preg_replace('#\=([0-9a-f]{2})#ei', "chr(hexdec(strtolower('$1')))", $subject); 680 return $subject; 681 } 682 } 683 684 685 // give it a date, it will give you the same date as GMT 686 function get_gmt_from_date($string) { 687 // note: this only substracts $time_difference from the given date 688 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); 689 $string_time = gmmktime($matches[4], $matches[5], $matches[6], $matches[2], $matches[3], $matches[1]); 690 $string_gmt = gmdate('Y-m-d H:i:s', $string_time - get_option('gmt_offset') * 3600); 691 return $string_gmt; 692 } 693 694 // give it a GMT date, it will give you the same date with $time_difference added 695 function get_date_from_gmt($string) { 696 // note: this only adds $time_difference to the given date 697 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); 698 $string_time = gmmktime($matches[4], $matches[5], $matches[6], $matches[2], $matches[3], $matches[1]); 699 $string_localtime = gmdate('Y-m-d H:i:s', $string_time + get_option('gmt_offset')*3600); 700 return $string_localtime; 701 } 702 703 // computes an offset in seconds from an iso8601 timezone 704 function iso8601_timezone_to_offset($timezone) { 705 // $timezone is either 'Z' or '[+|-]hhmm' 706 if ($timezone == 'Z') { 707 $offset = 0; 708 } else { 709 $sign = (substr($timezone, 0, 1) == '+') ? 1 : -1; 710 $hours = intval(substr($timezone, 1, 2)); 711 $minutes = intval(substr($timezone, 3, 4)) / 60; 712 $offset = $sign * 3600 * ($hours + $minutes); 713 } 714 return $offset; 715 } 716 717 // converts an iso8601 date to MySQL DateTime format used by post_date[_gmt] 718 function iso8601_to_datetime($date_string, $timezone = USER) { 719 if ($timezone == GMT) { 720 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, $date_bits); 721 if (!empty($date_bits[7])) { // we have a timezone, so let's compute an offset 722 $offset = iso8601_timezone_to_offset($date_bits[7]); 723 } else { // we don't have a timezone, so we assume user local timezone (not server's!) 724 $offset = 3600 * get_option('gmt_offset'); 725 } 726 $timestamp = gmmktime($date_bits[4], $date_bits[5], $date_bits[6], $date_bits[2], $date_bits[3], $date_bits[1]); 727 $timestamp -= $offset; 728 return gmdate('Y-m-d H:i:s', $timestamp); 729 } elseif ($timezone == USER) { 730 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', $date_string); 731 } 732 } 733 734 function popuplinks($text) { 735 // Comment text in popup windows should be filtered through this. 736 // Right now it's a moderately dumb function, ideally it would detect whether 737 // a target or rel attribute was already there and adjust its actions accordingly. 738 $text = preg_replace('/<a (.+?)>/i', "<a $1 target='_blank' rel='external'>", $text); 739 return $text; 740 } 741 742 function sanitize_email($email) { 743 return preg_replace('/[^a-z0-9+_.@-]/i', '', $email); 744 } 745 746 function human_time_diff( $from, $to = '' ) { 747 if ( empty($to) ) 748 $to = time(); 749 $diff = (int) abs($to - $from); 750 if ($diff <= 3600) { 751 $mins = round($diff / 60); 752 if ($mins <= 1) { 753 $mins = 1; 754 } 755 $since = sprintf(__ngettext('%s min', '%s mins', $mins), $mins); 756 } else if (($diff <= 86400) && ($diff > 3600)) { 757 $hours = round($diff / 3600); 758 if ($hours <= 1) { 759 $hour = 1; 760 } 761 $since = sprintf(__ngettext('%s hour', '%s hours', $hours), $hours); 762 } elseif ($diff >= 86400) { 763 $days = round($diff / 86400); 764 if ($days <= 1) { 765 $days = 1; 766 } 767 $since = sprintf(__ngettext('%s day', '%s days', $days), $days); 768 } 769 return $since; 770 } 771 772 function wp_trim_excerpt($text) { // Fakes an excerpt if needed 773 global $post; 774 if ( '' == $text ) { 775 $text = get_the_content(''); 776 $text = apply_filters('the_content', $text); 777 $text = str_replace(']]>', ']]>', $text); 778 $text = strip_tags($text); 779 $excerpt_length = 55; 780 $words = explode(' ', $text, $excerpt_length + 1); 781 if (count($words) > $excerpt_length) { 782 array_pop($words); 783 array_push($words, '[...]'); 784 $text = implode(' ', $words); 785 } 786 } 787 return $text; 788 } 789 790 function ent2ncr($text) { 791 $to_ncr = array( 792 '"' => '"', 793 '&' => '&', 794 '⁄' => '/', 795 '<' => '<', 796 '>' => '>', 797 '|' => '|', 798 ' ' => ' ', 799 '¡' => '¡', 800 '¢' => '¢', 801 '£' => '£', 802 '¤' => '¤', 803 '¥' => '¥', 804 '¦' => '¦', 805 '&brkbar;' => '¦', 806 '§' => '§', 807 '¨' => '¨', 808 '¨' => '¨', 809 '©' => '©', 810 'ª' => 'ª', 811 '«' => '«', 812 '¬' => '¬', 813 '­' => '­', 814 '®' => '®', 815 '¯' => '¯', 816 '&hibar;' => '¯', 817 '°' => '°', 818 '±' => '±', 819 '²' => '²', 820 '³' => '³', 821 '´' => '´', 822 'µ' => 'µ', 823 '¶' => '¶', 824 '·' => '·', 825 '¸' => '¸', 826 '¹' => '¹', 827 'º' => 'º', 828 '»' => '»', 829 '¼' => '¼', 830 '½' => '½', 831 '¾' => '¾', 832 '¿' => '¿', 833 'À' => 'À', 834 'Á' => 'Á', 835 'Â' => 'Â', 836 'Ã' => 'Ã', 837 'Ä' => 'Ä', 838 'Å' => 'Å', 839 'Æ' => 'Æ', 840 'Ç' => 'Ç', 841 'È' => 'È', 842 'É' => 'É', 843 'Ê' => 'Ê', 844 'Ë' => 'Ë', 845 'Ì' => 'Ì', 846 'Í' => 'Í', 847 'Î' => 'Î', 848 'Ï' => 'Ï', 849 'Ð' => 'Ð', 850 'Ñ' => 'Ñ', 851 'Ò' => 'Ò', 852 'Ó' => 'Ó', 853 'Ô' => 'Ô', 854 'Õ' => 'Õ', 855 'Ö' => 'Ö', 856 '×' => '×', 857 'Ø' => 'Ø', 858 'Ù' => 'Ù', 859 'Ú' => 'Ú', 860 'Û' => 'Û', 861 'Ü' => 'Ü', 862 'Ý' => 'Ý', 863 'Þ' => 'Þ', 864 'ß' => 'ß', 865 'à' => 'à', 866 'á' => 'á', 867 'â' => 'â', 868 'ã' => 'ã', 869 'ä' => 'ä', 870 'å' => 'å', 871 'æ' => 'æ', 872 'ç' => 'ç', 873 'è' => 'è', 874 'é' => 'é', 875 'ê' => 'ê', 876 'ë' => 'ë', 877 'ì' => 'ì', 878 'í' => 'í', 879 'î' => 'î', 880 'ï' => 'ï', 881 'ð' => 'ð', 882 'ñ' => 'ñ', 883 'ò' => 'ò', 884 'ó' => 'ó', 885 'ô' => 'ô', 886 'õ' => 'õ', 887 'ö' => 'ö', 888 '÷' => '÷', 889 'ø' => 'ø', 890 'ù' => 'ù', 891 'ú' => 'ú', 892 'û' => 'û', 893 'ü' => 'ü', 894 'ý' => 'ý', 895 'þ' => 'þ', 896 'ÿ' => 'ÿ', 897 'Œ' => 'Œ', 898 'œ' => 'œ', 899 'Š' => 'Š', 900 'š' => 'š', 901 'Ÿ' => 'Ÿ', 902 'ƒ' => 'ƒ', 903 'ˆ' => 'ˆ', 904 '˜' => '˜', 905 'Α' => 'Α', 906 'Β' => 'Β', 907 'Γ' => 'Γ', 908 'Δ' => 'Δ', 909 'Ε' => 'Ε', 910 'Ζ' => 'Ζ', 911 'Η' => 'Η', 912 'Θ' => 'Θ', 913 'Ι' => 'Ι', 914 'Κ' => 'Κ', 915 'Λ' => 'Λ', 916 'Μ' => 'Μ', 917 'Ν' => 'Ν', 918 'Ξ' => 'Ξ', 919 'Ο' => 'Ο', 920 'Π' => 'Π', 921 'Ρ' => 'Ρ', 922 'Σ' => 'Σ', 923 'Τ' => 'Τ', 924 'Υ' => 'Υ', 925 'Φ' => 'Φ', 926 'Χ' => 'Χ', 927 'Ψ' => 'Ψ', 928 'Ω' => 'Ω', 929 'α' => 'α', 930 'β' => 'β', 931 'γ' => 'γ', 932 'δ' => 'δ', 933 'ε' => 'ε', 934 'ζ' => 'ζ', 935 'η' => 'η', 936 'θ' => 'θ', 937 'ι' => 'ι', 938 'κ' => 'κ', 939 'λ' => 'λ', 940 'μ' => 'μ', 941 'ν' => 'ν', 942 'ξ' => 'ξ', 943 'ο' => 'ο', 944 'π' => 'π', 945 'ρ' => 'ρ', 946 'ς' => 'ς', 947 'σ' => 'σ', 948 'τ' => 'τ', 949 'υ' => 'υ', 950 'φ' => 'φ', 951 'χ' => 'χ', 952 'ψ' => 'ψ', 953 'ω' => 'ω', 954 'ϑ' => 'ϑ', 955 'ϒ' => 'ϒ', 956 'ϖ' => 'ϖ', 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 'ℑ' => 'ℑ', 985 '℘' => '℘', 986 'ℜ' => 'ℜ', 987 '™' => '™', 988 'ℵ' => 'ℵ', 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 '∼' => '∼', 1018 '≅' => '≅', 1019 '≈' => '≈', 1020 '≠' => '≠', 1021 '≡' => '≡', 1022 '≤' => '≤', 1023 '≥' => '≥', 1024 '⊂' => '⊂', 1025 '⊃' => '⊃', 1026 '⊄' => '⊄', 1027 '⊆' => '⊆', 1028 '⊇' => '⊇', 1029 '⊕' => '⊕', 1030 '⊗' => '⊗', 1031 '⊥' => '⊥', 1032 '⋅' => '⋅', 1033 '⌈' => '⌈', 1034 '⌉' => '⌉', 1035 '⌊' => '⌊', 1036 '⌋' => '⌋', 1037 '⟨' => '〈', 1038 '⟩' => '〉', 1039 '←' => '←', 1040 '↑' => '↑', 1041 '→' => '→', 1042 '↓' => '↓', 1043 '↔' => '↔', 1044 '◊' => '◊', 1045 '♠' => '♠', 1046 '♣' => '♣', 1047 '♥' => '♥', 1048 '♦' => '♦' 1049 ); 1050 1051 return str_replace( array_keys($to_ncr), array_values($to_ncr), $text ); 1052 } 1053 1054 function wp_richedit_pre($text) { 1055 // Filtering a blank results in an annoying <br />\n 1056 if ( empty($text) ) return apply_filters('richedit_pre', ''); 1057 1058 $output = $text; 1059 $output = convert_chars($output); 1060 $output = wpautop($output); 1061 1062 // These must be double-escaped or planets will collide. 1063 $output = str_replace('<', '&lt;', $output); 1064 $output = str_replace('>', '&gt;', $output); 1065 1066 return apply_filters('richedit_pre', $output); 1067 } 1068 1069 function clean_url( $url, $protocols = null ) { 1070 if ('' == $url) return $url; 1071 $url = preg_replace('|[^a-z0-9-~+_.?#=!&;,/:%]|i', '', $url); 1072 $strip = array('%0d', '%0a'); 1073 $url = str_replace($strip, '', $url); 1074 $url = str_replace(';//', '://', $url); 1075 $url = (!strstr($url, '://')) ? 'http://'.$url : $url; 1076 $url = preg_replace('/&([^#])(?![a-z]{2,8};)/', '&$1', $url); 1077 if ( !is_array($protocols) ) 1078 $protocols = array('http', 'https', 'ftp', 'ftps', 'mailto', 'news', 'irc', 'gopher', 'nntp', 'feed', 'telnet'); 1079 if ( wp_kses_bad_protocol( $url, $protocols ) != $url ) 1080 return ''; 1081 return $url; 1082 } 1083 1084 // Borrowed from the PHP Manual user notes. Convert entities, while 1085 // preserving already-encoded entities: 1086 function htmlentities2($myHTML) { 1087 $translation_table=get_html_translation_table (HTML_ENTITIES,ENT_QUOTES); 1088 $translation_table[chr(38)] = '&'; 1089 return preg_replace("/&(?![A-Za-z]{0,4}\w{2,3};|#[0-9]{2,3};)/","&" , strtr($myHTML, $translation_table)); 1090 } 1091 1092 // Escape single quotes, specialchar double quotes, and fix line endings. 1093 function js_escape($text) { 1094 $safe_text = wp_specialchars($text, 'double'); 1095 $safe_text = str_replace(''', "'", $safe_text); 1096 $safe_text = preg_replace("/\r?\n/", "\\n", addslashes($safe_text)); 1097 return apply_filters('js_escape', $safe_text, $text); 1098 } 1099 1100 // Escaping for HTML attributes 1101 function attribute_escape($text) { 1102 $safe_text = wp_specialchars($text, true); 1103 return apply_filters('attribute_escape', $safe_text, $text); 1104 } 1105 1106 function wp_make_link_relative( $link ) { 1107 return preg_replace('|https?://[^/]+(/.*)|i', '$1', $link ); 1108 } 1109 1110 ?>
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| Généré le : Fri Mar 30 19:41:27 2007 | par Balluche grâce à PHPXref 0.7 |