Projects : mp-wp : mp-wp_genesis
| 1 | <?php |
| 2 | /** |
| 3 | * Main Wordpress Formatting API. |
| 4 | * |
| 5 | * Handles many functions for formatting output. |
| 6 | * |
| 7 | * @package WordPress |
| 8 | **/ |
| 9 | |
| 10 | /** |
| 11 | * Replaces common plain text characters into formatted entities |
| 12 | * |
| 13 | * As an example, |
| 14 | * <code> |
| 15 | * 'cause today's effort makes it worth tomorrow's "holiday"... |
| 16 | * </code> |
| 17 | * Becomes: |
| 18 | * <code> |
| 19 | * ’cause today’s effort makes it worth tomorrow’s “holiday”… |
| 20 | * </code> |
| 21 | * Code within certain html blocks are skipped. |
| 22 | * |
| 23 | * @since 0.71 |
| 24 | * @uses $wp_cockneyreplace Array of formatted entities for certain common phrases |
| 25 | * |
| 26 | * @param string $text The text to be formatted |
| 27 | * @return string The string replaced with html entities |
| 28 | */ |
| 29 | function wptexturize($text) { |
| 30 | /* global $wp_cockneyreplace; |
| 31 | $next = true; |
| 32 | $has_pre_parent = false; |
| 33 | $output = ''; |
| 34 | $curl = ''; |
| 35 | $textarr = preg_split('/(<.*>|\[.*\])/Us', $text, -1, PREG_SPLIT_DELIM_CAPTURE); |
| 36 | $stop = count($textarr); |
| 37 | |
| 38 | // if a plugin has provided an autocorrect array, use it |
| 39 | if ( isset($wp_cockneyreplace) ) { |
| 40 | $cockney = array_keys($wp_cockneyreplace); |
| 41 | $cockneyreplace = array_values($wp_cockneyreplace); |
| 42 | } else { |
| 43 | $cockney = array("'tain't","'twere","'twas","'tis","'twill","'til","'bout","'nuff","'round","'cause"); |
| 44 | $cockneyreplace = array("’tain’t","’twere","’twas","’tis","’twill","’til","’bout","’nuff","’round","’cause"); |
| 45 | } |
| 46 | |
| 47 | $static_characters = array_merge(array('---', ' -- ', '--', 'xn–', '...', '``', '\'s', '\'\'', ' (tm)'), $cockney); |
| 48 | $static_replacements = array_merge(array('—', ' — ', '–', 'xn--', '…', '“', '’s', '”', ' ™'), $cockneyreplace); |
| 49 | |
| 50 | $dynamic_characters = array('/\'(\d\d(?:’|\')?s)/', '/(\s|\A|")\'/', '/(\d+)"/', '/(\d+)\'/', '/(\S)\'([^\'\s])/', '/(\s|\A)"(?!\s)/', '/"(\s|\S|\Z)/', '/\'([\s.]|\Z)/', '/(\d+)x(\d+)/'); |
| 51 | $dynamic_replacements = array('’$1','$1‘', '$1″', '$1′', '$1’$2', '$1“$2', '”$1', '’$1', '$1×$2'); |
| 52 | |
| 53 | for ( $i = 0; $i < $stop; $i++ ) { |
| 54 | $curl = $textarr[$i]; |
| 55 | |
| 56 | if ( !empty($curl) && '<' != $curl{0} && '[' != $curl{0} && $next && !$has_pre_parent) { // If it's not a tag |
| 57 | // static strings |
| 58 | $curl = str_replace($static_characters, $static_replacements, $curl); |
| 59 | // regular expressions |
| 60 | $curl = preg_replace($dynamic_characters, $dynamic_replacements, $curl); |
| 61 | } elseif (strpos($curl, '<code') !== false || strpos($curl, '<kbd') !== false || strpos($curl, '<style') !== false || strpos($curl, '<script') !== false) { |
| 62 | $next = false; |
| 63 | } elseif (strpos($curl, '<pre') !== false) { |
| 64 | $has_pre_parent = true; |
| 65 | } elseif (strpos($curl, '</pre>') !== false) { |
| 66 | $has_pre_parent = false; |
| 67 | } else { |
| 68 | $next = true; |
| 69 | } |
| 70 | |
| 71 | $curl = preg_replace('/&([^#])(?![a-zA-Z1-4]{1,8};)/', '&$1', $curl); |
| 72 | $output .= $curl; |
| 73 | } |
| 74 | |
| 75 | return $output; |
| 76 | */ |
| 77 | return $text; |
| 78 | } |
| 79 | |
| 80 | /** |
| 81 | * Accepts matches array from preg_replace_callback in wpautop() or a string. |
| 82 | * |
| 83 | * Ensures that the contents of a <<pre>>...<</pre>> HTML block are not |
| 84 | * converted into paragraphs or line-breaks. |
| 85 | * |
| 86 | * @since 1.2.0 |
| 87 | * |
| 88 | * @param array|string $matches The array or string |
| 89 | * @return string The pre block without paragraph/line-break conversion. |
| 90 | */ |
| 91 | function clean_pre($matches) { |
| 92 | if ( is_array($matches) ) |
| 93 | $text = $matches[1] . $matches[2] . "</pre>"; |
| 94 | else |
| 95 | $text = $matches; |
| 96 | |
| 97 | $text = str_replace('<br />', '', $text); |
| 98 | $text = str_replace('<p>', "\n", $text); |
| 99 | $text = str_replace('</p>', '', $text); |
| 100 | |
| 101 | return $text; |
| 102 | } |
| 103 | |
| 104 | /** |
| 105 | * Replaces double line-breaks with paragraph elements. |
| 106 | * |
| 107 | * A group of regex replaces used to identify text formatted with newlines and |
| 108 | * replace double line-breaks with HTML paragraph tags. The remaining |
| 109 | * line-breaks after conversion become <<br />> tags, unless $br is set to '0' |
| 110 | * or 'false'. |
| 111 | * |
| 112 | * @since 0.71 |
| 113 | * |
| 114 | * @param string $pee The text which has to be formatted. |
| 115 | * @param int|bool $br Optional. If set, this will convert all remaining line-breaks after paragraphing. Default true. |
| 116 | * @return string Text which has been converted into correct paragraph tags. |
| 117 | */ |
| 118 | function wpautop($pee, $br = 1) { |
| 119 | $pee = $pee . "\n"; // just to make things a little easier, pad the end |
| 120 | $pee = preg_replace('|<br />\s*<br />|', "\n\n", $pee); |
| 121 | // Space things out a little |
| 122 | $allblocks = '(?:table|thead|tfoot|caption|colgroup|tbody|tr|td|th|div|dl|dd|dt|ul|ol|li|pre|select|form|map|area|blockquote|address|math|style|input|p|h[1-6]|hr)'; |
| 123 | $pee = preg_replace('!(<' . $allblocks . '[^>]*>)!', "\n$1", $pee); |
| 124 | $pee = preg_replace('!(</' . $allblocks . '>)!', "$1\n\n", $pee); |
| 125 | $pee = str_replace(array("\r\n", "\r"), "\n", $pee); // cross-platform newlines |
| 126 | if ( strpos($pee, '<object') !== false ) { |
| 127 | $pee = preg_replace('|\s*<param([^>]*)>\s*|', "<param$1>", $pee); // no pee inside object/embed |
| 128 | $pee = preg_replace('|\s*</embed>\s*|', '</embed>', $pee); |
| 129 | } |
| 130 | $pee = preg_replace("/\n\n+/", "\n\n", $pee); // take care of duplicates |
| 131 | // make paragraphs, including one at the end |
| 132 | $pees = preg_split('/\n\s*\n/', $pee, -1, PREG_SPLIT_NO_EMPTY); |
| 133 | $pee = ''; |
| 134 | foreach ( $pees as $tinkle ) |
| 135 | $pee .= '<p>' . trim($tinkle, "\n") . "</p>\n"; |
| 136 | $pee = preg_replace('|<p>\s*?</p>|', '', $pee); // under certain strange conditions it could create a P of entirely whitespace |
| 137 | $pee = preg_replace('!<p>([^<]+)\s*?(</(?:div|address|form)[^>]*>)!', "<p>$1</p>$2", $pee); |
| 138 | $pee = preg_replace( '|<p>|', "$1<p>", $pee ); |
| 139 | $pee = preg_replace('!<p>\s*(</?' . $allblocks . '[^>]*>)\s*</p>!', "$1", $pee); // don't pee all over a tag |
| 140 | $pee = preg_replace("|<p>(<li.+?)</p>|", "$1", $pee); // problem with nested lists |
| 141 | $pee = preg_replace('|<p><blockquote([^>]*)>|i', "<blockquote$1><p>", $pee); |
| 142 | $pee = str_replace('</blockquote></p>', '</p></blockquote>', $pee); |
| 143 | $pee = preg_replace('!<p>\s*(</?' . $allblocks . '[^>]*>)!', "$1", $pee); |
| 144 | $pee = preg_replace('!(</?' . $allblocks . '[^>]*>)\s*</p>!', "$1", $pee); |
| 145 | if ($br) { |
| 146 | $pee = preg_replace_callback('/<(script|style).*?<\/\\1>/s', create_function('$matches', 'return str_replace("\n", "<WPPreserveNewline />", $matches[0]);'), $pee); |
| 147 | $pee = preg_replace('|(?<!<br />)\s*\n|', "<br />\n", $pee); // optionally make line breaks |
| 148 | $pee = str_replace('<WPPreserveNewline />', "\n", $pee); |
| 149 | } |
| 150 | $pee = preg_replace('!(</?' . $allblocks . '[^>]*>)\s*<br />!', "$1", $pee); |
| 151 | $pee = preg_replace('!<br />(\s*</?(?:p|li|div|dl|dd|dt|th|pre|td|ul|ol)[^>]*>)!', '$1', $pee); |
| 152 | if (strpos($pee, '<pre') !== false) |
| 153 | $pee = preg_replace_callback('!(<pre.*?>)(.*?)</pre>!is', 'clean_pre', $pee ); |
| 154 | $pee = preg_replace( "|\n</p>$|", '</p>', $pee ); |
| 155 | $pee = preg_replace('/<p>\s*?(' . get_shortcode_regex() . ')\s*<\/p>/s', '$1', $pee); // don't auto-p wrap shortcodes that stand alone |
| 156 | |
| 157 | return $pee; |
| 158 | } |
| 159 | |
| 160 | /** |
| 161 | * Checks to see if a string is utf8 encoded. |
| 162 | * |
| 163 | * @author bmorel at ssi dot fr |
| 164 | * |
| 165 | * @since 1.2.1 |
| 166 | * |
| 167 | * @param string $Str The string to be checked |
| 168 | * @return bool True if $Str fits a UTF-8 model, false otherwise. |
| 169 | */ |
| 170 | function seems_utf8($Str) { # by bmorel at ssi dot fr |
| 171 | $length = strlen($Str); |
| 172 | for ($i=0; $i < $length; $i++) { |
| 173 | if (ord($Str[$i]) < 0x80) continue; # 0bbbbbbb |
| 174 | elseif ((ord($Str[$i]) & 0xE0) == 0xC0) $n=1; # 110bbbbb |
| 175 | elseif ((ord($Str[$i]) & 0xF0) == 0xE0) $n=2; # 1110bbbb |
| 176 | elseif ((ord($Str[$i]) & 0xF8) == 0xF0) $n=3; # 11110bbb |
| 177 | elseif ((ord($Str[$i]) & 0xFC) == 0xF8) $n=4; # 111110bb |
| 178 | elseif ((ord($Str[$i]) & 0xFE) == 0xFC) $n=5; # 1111110b |
| 179 | else return false; # Does not match any model |
| 180 | for ($j=0; $j<$n; $j++) { # n bytes matching 10bbbbbb follow ? |
| 181 | if ((++$i == $length) || ((ord($Str[$i]) & 0xC0) != 0x80)) |
| 182 | return false; |
| 183 | } |
| 184 | } |
| 185 | return true; |
| 186 | } |
| 187 | |
| 188 | /** |
| 189 | * Converts a number of special characters into their HTML entities. |
| 190 | * |
| 191 | * Differs from htmlspecialchars as existing HTML entities will not be encoded. |
| 192 | * Specifically changes: & to &, < to < and > to >. |
| 193 | * |
| 194 | * $quotes can be set to 'single' to encode ' to ', 'double' to encode " to |
| 195 | * ", or '1' to do both. Default is 0 where no quotes are encoded. |
| 196 | * |
| 197 | * @since 1.2.2 |
| 198 | * |
| 199 | * @param string $text The text which is to be encoded. |
| 200 | * @param mixed $quotes Optional. Converts single quotes if set to 'single', double if set to 'double' or both if otherwise set. Default 0. |
| 201 | * @return string The encoded text with HTML entities. |
| 202 | */ |
| 203 | function wp_specialchars( $text, $quotes = 0 ) { |
| 204 | // Like htmlspecialchars except don't double-encode HTML entities |
| 205 | $text = str_replace('&&', '&&', $text); |
| 206 | $text = str_replace('&&', '&&', $text); |
| 207 | $text = preg_replace('/&(?:$|([^#])(?![a-z1-4]{1,8};))/', '&$1', $text); |
| 208 | $text = str_replace('<', '<', $text); |
| 209 | $text = str_replace('>', '>', $text); |
| 210 | if ( 'double' === $quotes ) { |
| 211 | $text = str_replace('"', '"', $text); |
| 212 | } elseif ( 'single' === $quotes ) { |
| 213 | $text = str_replace("'", ''', $text); |
| 214 | } elseif ( $quotes ) { |
| 215 | $text = str_replace('"', '"', $text); |
| 216 | $text = str_replace("'", ''', $text); |
| 217 | } |
| 218 | return $text; |
| 219 | } |
| 220 | |
| 221 | /** |
| 222 | * Encode the Unicode values to be used in the URI. |
| 223 | * |
| 224 | * @since 1.5.0 |
| 225 | * |
| 226 | * @param string $utf8_string |
| 227 | * @param int $length Max length of the string |
| 228 | * @return string String with Unicode encoded for URI. |
| 229 | */ |
| 230 | function utf8_uri_encode( $utf8_string, $length = 0 ) { |
| 231 | $unicode = ''; |
| 232 | $values = array(); |
| 233 | $num_octets = 1; |
| 234 | $unicode_length = 0; |
| 235 | |
| 236 | $string_length = strlen( $utf8_string ); |
| 237 | for ($i = 0; $i < $string_length; $i++ ) { |
| 238 | |
| 239 | $value = ord( $utf8_string[ $i ] ); |
| 240 | |
| 241 | if ( $value < 128 ) { |
| 242 | if ( $length && ( $unicode_length >= $length ) ) |
| 243 | break; |
| 244 | $unicode .= chr($value); |
| 245 | $unicode_length++; |
| 246 | } else { |
| 247 | if ( count( $values ) == 0 ) $num_octets = ( $value < 224 ) ? 2 : 3; |
| 248 | |
| 249 | $values[] = $value; |
| 250 | |
| 251 | if ( $length && ( $unicode_length + ($num_octets * 3) ) > $length ) |
| 252 | break; |
| 253 | if ( count( $values ) == $num_octets ) { |
| 254 | if ($num_octets == 3) { |
| 255 | $unicode .= '%' . dechex($values[0]) . '%' . dechex($values[1]) . '%' . dechex($values[2]); |
| 256 | $unicode_length += 9; |
| 257 | } else { |
| 258 | $unicode .= '%' . dechex($values[0]) . '%' . dechex($values[1]); |
| 259 | $unicode_length += 6; |
| 260 | } |
| 261 | |
| 262 | $values = array(); |
| 263 | $num_octets = 1; |
| 264 | } |
| 265 | } |
| 266 | } |
| 267 | |
| 268 | return $unicode; |
| 269 | } |
| 270 | |
| 271 | /** |
| 272 | * Converts all accent characters to ASCII characters. |
| 273 | * |
| 274 | * If there are no accent characters, then the string given is just returned. |
| 275 | * |
| 276 | * @since 1.2.1 |
| 277 | * |
| 278 | * @param string $string Text that might have accent characters |
| 279 | * @return string Filtered string with replaced "nice" characters. |
| 280 | */ |
| 281 | function remove_accents($string) { |
| 282 | if ( !preg_match('/[\x80-\xff]/', $string) ) |
| 283 | return $string; |
| 284 | |
| 285 | if (seems_utf8($string)) { |
| 286 | $chars = array( |
| 287 | // Decompositions for Latin-1 Supplement |
| 288 | chr(195).chr(128) => 'A', chr(195).chr(129) => 'A', |
| 289 | chr(195).chr(130) => 'A', chr(195).chr(131) => 'A', |
| 290 | chr(195).chr(132) => 'A', chr(195).chr(133) => 'A', |
| 291 | chr(195).chr(135) => 'C', chr(195).chr(136) => 'E', |
| 292 | chr(195).chr(137) => 'E', chr(195).chr(138) => 'E', |
| 293 | chr(195).chr(139) => 'E', chr(195).chr(140) => 'I', |
| 294 | chr(195).chr(141) => 'I', chr(195).chr(142) => 'I', |
| 295 | chr(195).chr(143) => 'I', chr(195).chr(145) => 'N', |
| 296 | chr(195).chr(146) => 'O', chr(195).chr(147) => 'O', |
| 297 | chr(195).chr(148) => 'O', chr(195).chr(149) => 'O', |
| 298 | chr(195).chr(150) => 'O', chr(195).chr(153) => 'U', |
| 299 | chr(195).chr(154) => 'U', chr(195).chr(155) => 'U', |
| 300 | chr(195).chr(156) => 'U', chr(195).chr(157) => 'Y', |
| 301 | chr(195).chr(159) => 's', chr(195).chr(160) => 'a', |
| 302 | chr(195).chr(161) => 'a', chr(195).chr(162) => 'a', |
| 303 | chr(195).chr(163) => 'a', chr(195).chr(164) => 'a', |
| 304 | chr(195).chr(165) => 'a', chr(195).chr(167) => 'c', |
| 305 | chr(195).chr(168) => 'e', chr(195).chr(169) => 'e', |
| 306 | chr(195).chr(170) => 'e', chr(195).chr(171) => 'e', |
| 307 | chr(195).chr(172) => 'i', chr(195).chr(173) => 'i', |
| 308 | chr(195).chr(174) => 'i', chr(195).chr(175) => 'i', |
| 309 | chr(195).chr(177) => 'n', chr(195).chr(178) => 'o', |
| 310 | chr(195).chr(179) => 'o', chr(195).chr(180) => 'o', |
| 311 | chr(195).chr(181) => 'o', chr(195).chr(182) => 'o', |
| 312 | chr(195).chr(182) => 'o', chr(195).chr(185) => 'u', |
| 313 | chr(195).chr(186) => 'u', chr(195).chr(187) => 'u', |
| 314 | chr(195).chr(188) => 'u', chr(195).chr(189) => 'y', |
| 315 | chr(195).chr(191) => 'y', |
| 316 | // Decompositions for Latin Extended-A |
| 317 | chr(196).chr(128) => 'A', chr(196).chr(129) => 'a', |
| 318 | chr(196).chr(130) => 'A', chr(196).chr(131) => 'a', |
| 319 | chr(196).chr(132) => 'A', chr(196).chr(133) => 'a', |
| 320 | chr(196).chr(134) => 'C', chr(196).chr(135) => 'c', |
| 321 | chr(196).chr(136) => 'C', chr(196).chr(137) => 'c', |
| 322 | chr(196).chr(138) => 'C', chr(196).chr(139) => 'c', |
| 323 | chr(196).chr(140) => 'C', chr(196).chr(141) => 'c', |
| 324 | chr(196).chr(142) => 'D', chr(196).chr(143) => 'd', |
| 325 | chr(196).chr(144) => 'D', chr(196).chr(145) => 'd', |
| 326 | chr(196).chr(146) => 'E', chr(196).chr(147) => 'e', |
| 327 | chr(196).chr(148) => 'E', chr(196).chr(149) => 'e', |
| 328 | chr(196).chr(150) => 'E', chr(196).chr(151) => 'e', |
| 329 | chr(196).chr(152) => 'E', chr(196).chr(153) => 'e', |
| 330 | chr(196).chr(154) => 'E', chr(196).chr(155) => 'e', |
| 331 | chr(196).chr(156) => 'G', chr(196).chr(157) => 'g', |
| 332 | chr(196).chr(158) => 'G', chr(196).chr(159) => 'g', |
| 333 | chr(196).chr(160) => 'G', chr(196).chr(161) => 'g', |
| 334 | chr(196).chr(162) => 'G', chr(196).chr(163) => 'g', |
| 335 | chr(196).chr(164) => 'H', chr(196).chr(165) => 'h', |
| 336 | chr(196).chr(166) => 'H', chr(196).chr(167) => 'h', |
| 337 | chr(196).chr(168) => 'I', chr(196).chr(169) => 'i', |
| 338 | chr(196).chr(170) => 'I', chr(196).chr(171) => 'i', |
| 339 | chr(196).chr(172) => 'I', chr(196).chr(173) => 'i', |
| 340 | chr(196).chr(174) => 'I', chr(196).chr(175) => 'i', |
| 341 | chr(196).chr(176) => 'I', chr(196).chr(177) => 'i', |
| 342 | chr(196).chr(178) => 'IJ',chr(196).chr(179) => 'ij', |
| 343 | chr(196).chr(180) => 'J', chr(196).chr(181) => 'j', |
| 344 | chr(196).chr(182) => 'K', chr(196).chr(183) => 'k', |
| 345 | chr(196).chr(184) => 'k', chr(196).chr(185) => 'L', |
| 346 | chr(196).chr(186) => 'l', chr(196).chr(187) => 'L', |
| 347 | chr(196).chr(188) => 'l', chr(196).chr(189) => 'L', |
| 348 | chr(196).chr(190) => 'l', chr(196).chr(191) => 'L', |
| 349 | chr(197).chr(128) => 'l', chr(197).chr(129) => 'L', |
| 350 | chr(197).chr(130) => 'l', chr(197).chr(131) => 'N', |
| 351 | chr(197).chr(132) => 'n', chr(197).chr(133) => 'N', |
| 352 | chr(197).chr(134) => 'n', chr(197).chr(135) => 'N', |
| 353 | chr(197).chr(136) => 'n', chr(197).chr(137) => 'N', |
| 354 | chr(197).chr(138) => 'n', chr(197).chr(139) => 'N', |
| 355 | chr(197).chr(140) => 'O', chr(197).chr(141) => 'o', |
| 356 | chr(197).chr(142) => 'O', chr(197).chr(143) => 'o', |
| 357 | chr(197).chr(144) => 'O', chr(197).chr(145) => 'o', |
| 358 | chr(197).chr(146) => 'OE',chr(197).chr(147) => 'oe', |
| 359 | chr(197).chr(148) => 'R',chr(197).chr(149) => 'r', |
| 360 | chr(197).chr(150) => 'R',chr(197).chr(151) => 'r', |
| 361 | chr(197).chr(152) => 'R',chr(197).chr(153) => 'r', |
| 362 | chr(197).chr(154) => 'S',chr(197).chr(155) => 's', |
| 363 | chr(197).chr(156) => 'S',chr(197).chr(157) => 's', |
| 364 | chr(197).chr(158) => 'S',chr(197).chr(159) => 's', |
| 365 | chr(197).chr(160) => 'S', chr(197).chr(161) => 's', |
| 366 | chr(197).chr(162) => 'T', chr(197).chr(163) => 't', |
| 367 | chr(197).chr(164) => 'T', chr(197).chr(165) => 't', |
| 368 | chr(197).chr(166) => 'T', chr(197).chr(167) => 't', |
| 369 | chr(197).chr(168) => 'U', chr(197).chr(169) => 'u', |
| 370 | chr(197).chr(170) => 'U', chr(197).chr(171) => 'u', |
| 371 | chr(197).chr(172) => 'U', chr(197).chr(173) => 'u', |
| 372 | chr(197).chr(174) => 'U', chr(197).chr(175) => 'u', |
| 373 | chr(197).chr(176) => 'U', chr(197).chr(177) => 'u', |
| 374 | chr(197).chr(178) => 'U', chr(197).chr(179) => 'u', |
| 375 | chr(197).chr(180) => 'W', chr(197).chr(181) => 'w', |
| 376 | chr(197).chr(182) => 'Y', chr(197).chr(183) => 'y', |
| 377 | chr(197).chr(184) => 'Y', chr(197).chr(185) => 'Z', |
| 378 | chr(197).chr(186) => 'z', chr(197).chr(187) => 'Z', |
| 379 | chr(197).chr(188) => 'z', chr(197).chr(189) => 'Z', |
| 380 | chr(197).chr(190) => 'z', chr(197).chr(191) => 's', |
| 381 | // Euro Sign |
| 382 | chr(226).chr(130).chr(172) => 'E', |
| 383 | // GBP (Pound) Sign |
| 384 | chr(194).chr(163) => ''); |
| 385 | |
| 386 | $string = strtr($string, $chars); |
| 387 | } else { |
| 388 | // Assume ISO-8859-1 if not UTF-8 |
| 389 | $chars['in'] = chr(128).chr(131).chr(138).chr(142).chr(154).chr(158) |
| 390 | .chr(159).chr(162).chr(165).chr(181).chr(192).chr(193).chr(194) |
| 391 | .chr(195).chr(196).chr(197).chr(199).chr(200).chr(201).chr(202) |
| 392 | .chr(203).chr(204).chr(205).chr(206).chr(207).chr(209).chr(210) |
| 393 | .chr(211).chr(212).chr(213).chr(214).chr(216).chr(217).chr(218) |
| 394 | .chr(219).chr(220).chr(221).chr(224).chr(225).chr(226).chr(227) |
| 395 | .chr(228).chr(229).chr(231).chr(232).chr(233).chr(234).chr(235) |
| 396 | .chr(236).chr(237).chr(238).chr(239).chr(241).chr(242).chr(243) |
| 397 | .chr(244).chr(245).chr(246).chr(248).chr(249).chr(250).chr(251) |
| 398 | .chr(252).chr(253).chr(255); |
| 399 | |
| 400 | $chars['out'] = "EfSZszYcYuAAAAAACEEEEIIIINOOOOOOUUUUYaaaaaaceeeeiiiinoooooouuuuyy"; |
| 401 | |
| 402 | $string = strtr($string, $chars['in'], $chars['out']); |
| 403 | $double_chars['in'] = array(chr(140), chr(156), chr(198), chr(208), chr(222), chr(223), chr(230), chr(240), chr(254)); |
| 404 | $double_chars['out'] = array('OE', 'oe', 'AE', 'DH', 'TH', 'ss', 'ae', 'dh', 'th'); |
| 405 | $string = str_replace($double_chars['in'], $double_chars['out'], $string); |
| 406 | } |
| 407 | |
| 408 | return $string; |
| 409 | } |
| 410 | |
| 411 | /** |
| 412 | * Filters certain characters from the file name. |
| 413 | * |
| 414 | * Turns all strings to lowercase removing most characters except alphanumeric |
| 415 | * with spaces, dashes and periods. All spaces and underscores are converted to |
| 416 | * dashes. Multiple dashes are converted to a single dash. Finally, if the file |
| 417 | * name ends with a dash, it is removed. |
| 418 | * |
| 419 | * @since 2.1.0 |
| 420 | * |
| 421 | * @param string $name The file name |
| 422 | * @return string Sanitized file name |
| 423 | */ |
| 424 | function sanitize_file_name( $name ) { // Like sanitize_title, but with periods |
| 425 | $name = strtolower( $name ); |
| 426 | $name = preg_replace('/&.+?;/', '', $name); // kill entities |
| 427 | $name = str_replace( '_', '-', $name ); |
| 428 | $name = preg_replace('/[^a-z0-9\s-.]/', '', $name); |
| 429 | $name = preg_replace('/\s+/', '-', $name); |
| 430 | $name = preg_replace('|-+|', '-', $name); |
| 431 | $name = trim($name, '-'); |
| 432 | return $name; |
| 433 | } |
| 434 | |
| 435 | /** |
| 436 | * Sanitize username stripping out unsafe characters. |
| 437 | * |
| 438 | * If $strict is true, only alphanumeric characters (as well as _, space, ., -, |
| 439 | * @) are returned. |
| 440 | * Removes tags, octets, entities, and if strict is enabled, will remove all |
| 441 | * non-ASCII characters. After sanitizing, it passes the username, raw username |
| 442 | * (the username in the parameter), and the strict parameter as parameters for |
| 443 | * the filter. |
| 444 | * |
| 445 | * @since 2.0.0 |
| 446 | * @uses apply_filters() Calls 'sanitize_user' hook on username, raw username, |
| 447 | * and $strict parameter. |
| 448 | * |
| 449 | * @param string $username The username to be sanitized. |
| 450 | * @param bool $strict If set limits $username to specific characters. Default false. |
| 451 | * @return string The sanitized username, after passing through filters. |
| 452 | */ |
| 453 | function sanitize_user( $username, $strict = false ) { |
| 454 | $raw_username = $username; |
| 455 | $username = strip_tags($username); |
| 456 | // Kill octets |
| 457 | $username = preg_replace('|%([a-fA-F0-9][a-fA-F0-9])|', '', $username); |
| 458 | $username = preg_replace('/&.+?;/', '', $username); // Kill entities |
| 459 | |
| 460 | // If strict, reduce to ASCII for max portability. |
| 461 | if ( $strict ) |
| 462 | $username = preg_replace('|[^a-z0-9 _.\-@]|i', '', $username); |
| 463 | |
| 464 | // Consolidate contiguous whitespace |
| 465 | $username = preg_replace('|\s+|', ' ', $username); |
| 466 | |
| 467 | return apply_filters('sanitize_user', $username, $raw_username, $strict); |
| 468 | } |
| 469 | |
| 470 | /** |
| 471 | * Sanitizes title or use fallback title. |
| 472 | * |
| 473 | * Specifically, HTML and PHP tags are stripped. Further actions can be added |
| 474 | * via the plugin API. If $title is empty and $fallback_title is set, the latter |
| 475 | * will be used. |
| 476 | * |
| 477 | * @since 1.0.0 |
| 478 | * |
| 479 | * @param string $title The string to be sanitized. |
| 480 | * @param string $fallback_title Optional. A title to use if $title is empty. |
| 481 | * @return string The sanitized string. |
| 482 | */ |
| 483 | function sanitize_title($title, $fallback_title = '') { |
| 484 | $title = strip_tags($title); |
| 485 | $title = apply_filters('sanitize_title', $title); |
| 486 | |
| 487 | if ( '' === $title || false === $title ) |
| 488 | $title = $fallback_title; |
| 489 | |
| 490 | return $title; |
| 491 | } |
| 492 | |
| 493 | /** |
| 494 | * Sanitizes title, replacing whitespace with dashes. |
| 495 | * |
| 496 | * Limits the output to alphanumeric characters, underscore (_) and dash (-). |
| 497 | * Whitespace becomes a dash. |
| 498 | * |
| 499 | * @since 1.2.0 |
| 500 | * |
| 501 | * @param string $title The title to be sanitized. |
| 502 | * @return string The sanitized title. |
| 503 | */ |
| 504 | function sanitize_title_with_dashes($title) { |
| 505 | $title = strip_tags($title); |
| 506 | // Preserve escaped octets. |
| 507 | $title = preg_replace('|%([a-fA-F0-9][a-fA-F0-9])|', '---$1---', $title); |
| 508 | // Remove percent signs that are not part of an octet. |
| 509 | $title = str_replace('%', '', $title); |
| 510 | // Restore octets. |
| 511 | $title = preg_replace('|---([a-fA-F0-9][a-fA-F0-9])---|', '%$1', $title); |
| 512 | |
| 513 | $title = remove_accents($title); |
| 514 | if (seems_utf8($title)) { |
| 515 | if (function_exists('mb_strtolower')) { |
| 516 | $title = mb_strtolower($title, 'UTF-8'); |
| 517 | } |
| 518 | $title = utf8_uri_encode($title, 200); |
| 519 | } |
| 520 | |
| 521 | $title = strtolower($title); |
| 522 | $title = preg_replace('/&.+?;/', '', $title); // kill entities |
| 523 | $title = preg_replace('/[^%a-z0-9 _-]/', '', $title); |
| 524 | $title = preg_replace('/\s+/', '-', $title); |
| 525 | $title = preg_replace('|-+|', '-', $title); |
| 526 | $title = trim($title, '-'); |
| 527 | |
| 528 | return $title; |
| 529 | } |
| 530 | |
| 531 | /** |
| 532 | * Ensures a string is a valid SQL order by clause. |
| 533 | * |
| 534 | * Accepts one or more columns, with or without ASC/DESC, and also accepts |
| 535 | * RAND(). |
| 536 | * |
| 537 | * @since 2.5.1 |
| 538 | * |
| 539 | * @param string $orderby Order by string to be checked. |
| 540 | * @return string|false Returns the order by clause if it is a match, false otherwise. |
| 541 | */ |
| 542 | function sanitize_sql_orderby( $orderby ){ |
| 543 | preg_match('/^\s*([a-z0-9_]+(\s+(ASC|DESC))?(\s*,\s*|\s*$))+|^\s*RAND\(\s*\)\s*$/i', $orderby, $obmatches); |
| 544 | if ( !$obmatches ) |
| 545 | return false; |
| 546 | return $orderby; |
| 547 | } |
| 548 | |
| 549 | /** |
| 550 | * Converts a number of characters from a string. |
| 551 | * |
| 552 | * Metadata tags <<title>> and <<category>> are removed, <<br>> and <<hr>> are |
| 553 | * converted into correct XHTML and Unicode characters are converted to the |
| 554 | * valid range. |
| 555 | * |
| 556 | * @since 0.71 |
| 557 | * |
| 558 | * @param string $content String of characters to be converted. |
| 559 | * @param string $deprecated Not used. |
| 560 | * @return string Converted string. |
| 561 | */ |
| 562 | function convert_chars($content, $deprecated = '') { |
| 563 | // Translation of invalid Unicode references range to valid range |
| 564 | $wp_htmltranswinuni = array( |
| 565 | '€' => '€', // the Euro sign |
| 566 | '' => '', |
| 567 | '‚' => '‚', // these are Windows CP1252 specific characters |
| 568 | 'ƒ' => 'ƒ', // they would look weird on non-Windows browsers |
| 569 | '„' => '„', |
| 570 | '…' => '…', |
| 571 | '†' => '†', |
| 572 | '‡' => '‡', |
| 573 | 'ˆ' => 'ˆ', |
| 574 | '‰' => '‰', |
| 575 | 'Š' => 'Š', |
| 576 | '‹' => '‹', |
| 577 | 'Œ' => 'Œ', |
| 578 | '' => '', |
| 579 | 'Ž' => 'ž', |
| 580 | '' => '', |
| 581 | '' => '', |
| 582 | '‘' => '‘', |
| 583 | '’' => '’', |
| 584 | '“' => '“', |
| 585 | '”' => '”', |
| 586 | '•' => '•', |
| 587 | '–' => '–', |
| 588 | '—' => '—', |
| 589 | '˜' => '˜', |
| 590 | '™' => '™', |
| 591 | 'š' => 'š', |
| 592 | '›' => '›', |
| 593 | 'œ' => 'œ', |
| 594 | '' => '', |
| 595 | 'ž' => '', |
| 596 | 'Ÿ' => 'Ÿ' |
| 597 | ); |
| 598 | |
| 599 | // Remove metadata tags |
| 600 | $content = preg_replace('/<title>(.+?)<\/title>/','',$content); |
| 601 | $content = preg_replace('/<category>(.+?)<\/category>/','',$content); |
| 602 | |
| 603 | // Converts lone & characters into & (a.k.a. &) |
| 604 | $content = preg_replace('/&([^#])(?![a-z1-4]{1,8};)/i', '&$1', $content); |
| 605 | |
| 606 | // Fix Word pasting |
| 607 | $content = strtr($content, $wp_htmltranswinuni); |
| 608 | |
| 609 | // Just a little XHTML help |
| 610 | $content = str_replace('<br>', '<br />', $content); |
| 611 | $content = str_replace('<hr>', '<hr />', $content); |
| 612 | |
| 613 | return $content; |
| 614 | } |
| 615 | |
| 616 | /** |
| 617 | * Fixes javascript bugs in browsers. |
| 618 | * |
| 619 | * Converts unicode characters to HTML numbered entities. |
| 620 | * |
| 621 | * @since 1.5.0 |
| 622 | * @uses $is_macIE |
| 623 | * @uses $is_winIE |
| 624 | * |
| 625 | * @param string $text Text to be made safe. |
| 626 | * @return string Fixed text. |
| 627 | */ |
| 628 | function funky_javascript_fix($text) { |
| 629 | // Fixes for browsers' javascript bugs |
| 630 | global $is_macIE, $is_winIE; |
| 631 | |
| 632 | /** @todo use preg_replace_callback() instead */ |
| 633 | if ( $is_winIE || $is_macIE ) |
| 634 | $text = preg_replace("/\%u([0-9A-F]{4,4})/e", "'&#'.base_convert('\\1',16,10).';'", $text); |
| 635 | |
| 636 | return $text; |
| 637 | } |
| 638 | |
| 639 | /** |
| 640 | * Will only balance the tags if forced to and the option is set to balance tags. |
| 641 | * |
| 642 | * The option 'use_balanceTags' is used for whether the tags will be balanced. |
| 643 | * Both the $force parameter and 'use_balanceTags' option will have to be true |
| 644 | * before the tags will be balanced. |
| 645 | * |
| 646 | * @since 0.71 |
| 647 | * |
| 648 | * @param string $text Text to be balanced |
| 649 | * @param bool $force Forces balancing, ignoring the value of the option. Default false. |
| 650 | * @return string Balanced text |
| 651 | */ |
| 652 | function balanceTags( $text, $force = false ) { |
| 653 | if ( !$force && get_option('use_balanceTags') == 0 ) |
| 654 | return $text; |
| 655 | return force_balance_tags( $text ); |
| 656 | } |
| 657 | |
| 658 | /** |
| 659 | * Balances tags of string using a modified stack. |
| 660 | * |
| 661 | * @since 2.0.4 |
| 662 | * |
| 663 | * @author Leonard Lin <leonard@acm.org> |
| 664 | * @license GPL v2.0 |
| 665 | * @copyright November 4, 2001 |
| 666 | * @version 1.1 |
| 667 | * @todo Make better - change loop condition to $text in 1.2 |
| 668 | * @internal Modified by Scott Reilly (coffee2code) 02 Aug 2004 |
| 669 | * 1.1 Fixed handling of append/stack pop order of end text |
| 670 | * Added Cleaning Hooks |
| 671 | * 1.0 First Version |
| 672 | * |
| 673 | * @param string $text Text to be balanced. |
| 674 | * @return string Balanced text. |
| 675 | */ |
| 676 | function force_balance_tags( $text ) { |
| 677 | $tagstack = array(); $stacksize = 0; $tagqueue = ''; $newtext = ''; |
| 678 | $single_tags = array('br', 'hr', 'img', 'input'); //Known single-entity/self-closing tags |
| 679 | $nestable_tags = array('blockquote', 'div', 'span'); //Tags that can be immediately nested within themselves |
| 680 | |
| 681 | # WP bug fix for comments - in case you REALLY meant to type '< !--' |
| 682 | $text = str_replace('< !--', '< !--', $text); |
| 683 | # WP bug fix for LOVE <3 (and other situations with '<' before a number) |
| 684 | $text = preg_replace('#<([0-9]{1})#', '<$1', $text); |
| 685 | |
| 686 | while (preg_match("/<(\/?\w*)\s*([^>]*)>/",$text,$regex)) { |
| 687 | $newtext .= $tagqueue; |
| 688 | |
| 689 | $i = strpos($text,$regex[0]); |
| 690 | $l = strlen($regex[0]); |
| 691 | |
| 692 | // clear the shifter |
| 693 | $tagqueue = ''; |
| 694 | // Pop or Push |
| 695 | if ($regex[1][0] == "/") { // End Tag |
| 696 | $tag = strtolower(substr($regex[1],1)); |
| 697 | // if too many closing tags |
| 698 | if($stacksize <= 0) { |
| 699 | $tag = ''; |
| 700 | //or close to be safe $tag = '/' . $tag; |
| 701 | } |
| 702 | // if stacktop value = tag close value then pop |
| 703 | else if ($tagstack[$stacksize - 1] == $tag) { // found closing tag |
| 704 | $tag = '</' . $tag . '>'; // Close Tag |
| 705 | // Pop |
| 706 | array_pop ($tagstack); |
| 707 | $stacksize--; |
| 708 | } else { // closing tag not at top, search for it |
| 709 | for ($j=$stacksize-1;$j>=0;$j--) { |
| 710 | if ($tagstack[$j] == $tag) { |
| 711 | // add tag to tagqueue |
| 712 | for ($k=$stacksize-1;$k>=$j;$k--){ |
| 713 | $tagqueue .= '</' . array_pop ($tagstack) . '>'; |
| 714 | $stacksize--; |
| 715 | } |
| 716 | break; |
| 717 | } |
| 718 | } |
| 719 | $tag = ''; |
| 720 | } |
| 721 | } else { // Begin Tag |
| 722 | $tag = strtolower($regex[1]); |
| 723 | |
| 724 | // Tag Cleaning |
| 725 | |
| 726 | // If self-closing or '', don't do anything. |
| 727 | if((substr($regex[2],-1) == '/') || ($tag == '')) { |
| 728 | } |
| 729 | // ElseIf it's a known single-entity tag but it doesn't close itself, do so |
| 730 | elseif ( in_array($tag, $single_tags) ) { |
| 731 | $regex[2] .= '/'; |
| 732 | } else { // Push the tag onto the stack |
| 733 | // If the top of the stack is the same as the tag we want to push, close previous tag |
| 734 | if (($stacksize > 0) && !in_array($tag, $nestable_tags) && ($tagstack[$stacksize - 1] == $tag)) { |
| 735 | $tagqueue = '</' . array_pop ($tagstack) . '>'; |
| 736 | $stacksize--; |
| 737 | } |
| 738 | $stacksize = array_push ($tagstack, $tag); |
| 739 | } |
| 740 | |
| 741 | // Attributes |
| 742 | $attributes = $regex[2]; |
| 743 | if($attributes) { |
| 744 | $attributes = ' '.$attributes; |
| 745 | } |
| 746 | $tag = '<'.$tag.$attributes.'>'; |
| 747 | //If already queuing a close tag, then put this tag on, too |
| 748 | if ($tagqueue) { |
| 749 | $tagqueue .= $tag; |
| 750 | $tag = ''; |
| 751 | } |
| 752 | } |
| 753 | $newtext .= substr($text,0,$i) . $tag; |
| 754 | $text = substr($text,$i+$l); |
| 755 | } |
| 756 | |
| 757 | // Clear Tag Queue |
| 758 | $newtext .= $tagqueue; |
| 759 | |
| 760 | // Add Remaining text |
| 761 | $newtext .= $text; |
| 762 | |
| 763 | // Empty Stack |
| 764 | while($x = array_pop($tagstack)) { |
| 765 | $newtext .= '</' . $x . '>'; // Add remaining tags to close |
| 766 | } |
| 767 | |
| 768 | // WP fix for the bug with HTML comments |
| 769 | $newtext = str_replace("< !--","<!--",$newtext); |
| 770 | $newtext = str_replace("< !--","< !--",$newtext); |
| 771 | |
| 772 | return $newtext; |
| 773 | } |
| 774 | |
| 775 | /** |
| 776 | * Acts on text which is about to be edited. |
| 777 | * |
| 778 | * Unless $richedit is set, it is simply a holder for the 'format_to_edit' |
| 779 | * filter. If $richedit is set true htmlspecialchars() will be run on the |
| 780 | * content, converting special characters to HTMl entities. |
| 781 | * |
| 782 | * @since 0.71 |
| 783 | * |
| 784 | * @param string $content The text about to be edited. |
| 785 | * @param bool $richedit Whether or not the $content should pass through htmlspecialchars(). Default false. |
| 786 | * @return string The text after the filter (and possibly htmlspecialchars()) has been run. |
| 787 | */ |
| 788 | function format_to_edit($content, $richedit = false) { |
| 789 | $content = apply_filters('format_to_edit', $content); |
| 790 | if (! $richedit ) |
| 791 | $content = htmlspecialchars($content); |
| 792 | return $content; |
| 793 | } |
| 794 | |
| 795 | /** |
| 796 | * Holder for the 'format_to_post' filter. |
| 797 | * |
| 798 | * @since 0.71 |
| 799 | * |
| 800 | * @param string $content The text to pass through the filter. |
| 801 | * @return string Text returned from the 'format_to_post' filter. |
| 802 | */ |
| 803 | function format_to_post($content) { |
| 804 | $content = apply_filters('format_to_post', $content); |
| 805 | return $content; |
| 806 | } |
| 807 | |
| 808 | /** |
| 809 | * Add leading zeros when necessary. |
| 810 | * |
| 811 | * If you set the threshold to '4' and the number is '10', then you will get |
| 812 | * back '0010'. If you set the number to '4' and the number is '5000', then you |
| 813 | * will get back '5000'. |
| 814 | * |
| 815 | * Uses sprintf to append the amount of zeros based on the $threshold parameter |
| 816 | * and the size of the number. If the number is large enough, then no zeros will |
| 817 | * be appended. |
| 818 | * |
| 819 | * @since 0.71 |
| 820 | * |
| 821 | * @param mixed $number Number to append zeros to if not greater than threshold. |
| 822 | * @param int $threshold Digit places number needs to be to not have zeros added. |
| 823 | * @return string Adds leading zeros to number if needed. |
| 824 | */ |
| 825 | function zeroise($number, $threshold) { |
| 826 | return sprintf('%0'.$threshold.'s', $number); |
| 827 | } |
| 828 | |
| 829 | /** |
| 830 | * Adds backslashes before letters and before a number at the start of a string. |
| 831 | * |
| 832 | * @since 0.71 |
| 833 | * |
| 834 | * @param string $string Value to which backslashes will be added. |
| 835 | * @return string String with backslashes inserted. |
| 836 | */ |
| 837 | function backslashit($string) { |
| 838 | $string = preg_replace('/^([0-9])/', '\\\\\\\\\1', $string); |
| 839 | $string = preg_replace('/([a-z])/i', '\\\\\1', $string); |
| 840 | return $string; |
| 841 | } |
| 842 | |
| 843 | /** |
| 844 | * Appends a trailing slash. |
| 845 | * |
| 846 | * Will remove trailing slash if it exists already before adding a trailing |
| 847 | * slash. This prevents double slashing a string or path. |
| 848 | * |
| 849 | * The primary use of this is for paths and thus should be used for paths. It is |
| 850 | * not restricted to paths and offers no specific path support. |
| 851 | * |
| 852 | * @since 1.2.0 |
| 853 | * @uses untrailingslashit() Unslashes string if it was slashed already. |
| 854 | * |
| 855 | * @param string $string What to add the trailing slash to. |
| 856 | * @return string String with trailing slash added. |
| 857 | */ |
| 858 | function trailingslashit($string) { |
| 859 | return untrailingslashit($string) . '/'; |
| 860 | } |
| 861 | |
| 862 | /** |
| 863 | * Removes trailing slash if it exists. |
| 864 | * |
| 865 | * The primary use of this is for paths and thus should be used for paths. It is |
| 866 | * not restricted to paths and offers no specific path support. |
| 867 | * |
| 868 | * @since 2.2.0 |
| 869 | * |
| 870 | * @param string $string What to remove the trailing slash from. |
| 871 | * @return string String without the trailing slash. |
| 872 | */ |
| 873 | function untrailingslashit($string) { |
| 874 | return rtrim($string, '/'); |
| 875 | } |
| 876 | |
| 877 | /** |
| 878 | * Adds slashes to escape strings. |
| 879 | * |
| 880 | * Slashes will first be removed if magic_quotes_gpc is set, see {@link |
| 881 | * http://www.php.net/magic_quotes} for more details. |
| 882 | * |
| 883 | * @since 0.71 |
| 884 | * |
| 885 | * @param string $gpc The string returned from HTTP request data. |
| 886 | * @return string Returns a string escaped with slashes. |
| 887 | */ |
| 888 | function addslashes_gpc($gpc) { |
| 889 | global $wpdb; |
| 890 | |
| 891 | if (get_magic_quotes_gpc()) { |
| 892 | $gpc = stripslashes($gpc); |
| 893 | } |
| 894 | |
| 895 | return $wpdb->escape($gpc); |
| 896 | } |
| 897 | |
| 898 | /** |
| 899 | * Navigates through an array and removes slashes from the values. |
| 900 | * |
| 901 | * If an array is passed, the array_map() function causes a callback to pass the |
| 902 | * value back to the function. The slashes from this value will removed. |
| 903 | * |
| 904 | * @since 2.0.0 |
| 905 | * |
| 906 | * @param array|string $value The array or string to be striped. |
| 907 | * @return array|string Stripped array (or string in the callback). |
| 908 | */ |
| 909 | function stripslashes_deep($value) { |
| 910 | $value = is_array($value) ? array_map('stripslashes_deep', $value) : stripslashes($value); |
| 911 | return $value; |
| 912 | } |
| 913 | |
| 914 | /** |
| 915 | * Navigates through an array and encodes the values to be used in a URL. |
| 916 | * |
| 917 | * Uses a callback to pass the value of the array back to the function as a |
| 918 | * string. |
| 919 | * |
| 920 | * @since 2.2.0 |
| 921 | * |
| 922 | * @param array|string $value The array or string to be encoded. |
| 923 | * @return array|string $value The encoded array (or string from the callback). |
| 924 | */ |
| 925 | function urlencode_deep($value) { |
| 926 | $value = is_array($value) ? array_map('urlencode_deep', $value) : urlencode($value); |
| 927 | return $value; |
| 928 | } |
| 929 | |
| 930 | /** |
| 931 | * Converts email addresses characters to HTML entities to block spam bots. |
| 932 | * |
| 933 | * @since 0.71 |
| 934 | * |
| 935 | * @param string $emailaddy Email address. |
| 936 | * @param int $mailto Optional. Range from 0 to 1. Used for encoding. |
| 937 | * @return string Converted email address. |
| 938 | */ |
| 939 | function antispambot($emailaddy, $mailto=0) { |
| 940 | $emailNOSPAMaddy = ''; |
| 941 | srand ((float) microtime() * 1000000); |
| 942 | for ($i = 0; $i < strlen($emailaddy); $i = $i + 1) { |
| 943 | $j = floor(rand(0, 1+$mailto)); |
| 944 | if ($j==0) { |
| 945 | $emailNOSPAMaddy .= '&#'.ord(substr($emailaddy,$i,1)).';'; |
| 946 | } elseif ($j==1) { |
| 947 | $emailNOSPAMaddy .= substr($emailaddy,$i,1); |
| 948 | } elseif ($j==2) { |
| 949 | $emailNOSPAMaddy .= '%'.zeroise(dechex(ord(substr($emailaddy, $i, 1))), 2); |
| 950 | } |
| 951 | } |
| 952 | $emailNOSPAMaddy = str_replace('@','@',$emailNOSPAMaddy); |
| 953 | return $emailNOSPAMaddy; |
| 954 | } |
| 955 | |
| 956 | /** |
| 957 | * Callback to convert URI match to HTML A element. |
| 958 | * |
| 959 | * This function was backported from 2.5.0 to 2.3.2. Regex callback for {@link |
| 960 | * make_clickable()}. |
| 961 | * |
| 962 | * @since 2.3.2 |
| 963 | * @access private |
| 964 | * |
| 965 | * @param array $matches Single Regex Match. |
| 966 | * @return string HTML A element with URI address. |
| 967 | */ |
| 968 | function _make_url_clickable_cb($matches) { |
| 969 | $ret = ''; |
| 970 | $url = $matches[2]; |
| 971 | $url = clean_url($url); |
| 972 | if ( empty($url) ) |
| 973 | return $matches[0]; |
| 974 | // removed trailing [.,;:] from URL |
| 975 | if ( in_array(substr($url, -1), array('.', ',', ';', ':')) === true ) { |
| 976 | $ret = substr($url, -1); |
| 977 | $url = substr($url, 0, strlen($url)-1); |
| 978 | } |
| 979 | return $matches[1] . "<a href=\"$url\" rel=\"nofollow\">$url</a>" . $ret; |
| 980 | } |
| 981 | |
| 982 | /** |
| 983 | * Callback to convert URL match to HTML A element. |
| 984 | * |
| 985 | * This function was backported from 2.5.0 to 2.3.2. Regex callback for {@link |
| 986 | * make_clickable()}. |
| 987 | * |
| 988 | * @since 2.3.2 |
| 989 | * @access private |
| 990 | * |
| 991 | * @param array $matches Single Regex Match. |
| 992 | * @return string HTML A element with URL address. |
| 993 | */ |
| 994 | function _make_web_ftp_clickable_cb($matches) { |
| 995 | $ret = ''; |
| 996 | $dest = $matches[2]; |
| 997 | $dest = 'http://' . $dest; |
| 998 | $dest = clean_url($dest); |
| 999 | if ( empty($dest) ) |
| 1000 | return $matches[0]; |
| 1001 | // removed trailing [,;:] from URL |
| 1002 | if ( in_array(substr($dest, -1), array('.', ',', ';', ':')) === true ) { |
| 1003 | $ret = substr($dest, -1); |
| 1004 | $dest = substr($dest, 0, strlen($dest)-1); |
| 1005 | } |
| 1006 | return $matches[1] . "<a href=\"$dest\" rel=\"nofollow\">$dest</a>" . $ret; |
| 1007 | } |
| 1008 | |
| 1009 | /** |
| 1010 | * Callback to convert email address match to HTML A element. |
| 1011 | * |
| 1012 | * This function was backported from 2.5.0 to 2.3.2. Regex callback for {@link |
| 1013 | * make_clickable()}. |
| 1014 | * |
| 1015 | * @since 2.3.2 |
| 1016 | * @access private |
| 1017 | * |
| 1018 | * @param array $matches Single Regex Match. |
| 1019 | * @return string HTML A element with email address. |
| 1020 | */ |
| 1021 | function _make_email_clickable_cb($matches) { |
| 1022 | $email = $matches[2] . '@' . $matches[3]; |
| 1023 | return $matches[1] . "<a href=\"mailto:$email\">$email</a>"; |
| 1024 | } |
| 1025 | |
| 1026 | /** |
| 1027 | * Convert plaintext URI to HTML links. |
| 1028 | * |
| 1029 | * Converts URI, www and ftp, and email addresses. Finishes by fixing links |
| 1030 | * within links. |
| 1031 | * |
| 1032 | * @since 0.71 |
| 1033 | * |
| 1034 | * @param string $ret Content to convert URIs. |
| 1035 | * @return string Content with converted URIs. |
| 1036 | */ |
| 1037 | function make_clickable($ret) { |
| 1038 | $ret = ' ' . $ret; |
| 1039 | // in testing, using arrays here was found to be faster |
| 1040 | $ret = preg_replace_callback('#([\s>])([\w]+?://[\w\\x80-\\xff\#$%&~/.\-;:=,?@\[\]+]*)#is', '_make_url_clickable_cb', $ret); |
| 1041 | $ret = preg_replace_callback('#([\s>])((www|ftp)\.[\w\\x80-\\xff\#$%&~/.\-;:=,?@\[\]+]*)#is', '_make_web_ftp_clickable_cb', $ret); |
| 1042 | $ret = preg_replace_callback('#([\s>])([.0-9a-z_+-]+)@(([0-9a-z-]+\.)+[0-9a-z]{2,})#i', '_make_email_clickable_cb', $ret); |
| 1043 | // this one is not in an array because we need it to run last, for cleanup of accidental links within links |
| 1044 | $ret = preg_replace("#(<a( [^>]+?>|>))<a [^>]+?>([^>]+?)</a></a>#i", "$1$3</a>", $ret); |
| 1045 | $ret = trim($ret); |
| 1046 | return $ret; |
| 1047 | } |
| 1048 | |
| 1049 | /** |
| 1050 | * Adds rel nofollow string to all HTML A elements in content. |
| 1051 | * |
| 1052 | * @since 1.5.0 |
| 1053 | * |
| 1054 | * @param string $text Content that may contain HTML A elements. |
| 1055 | * @return string Converted content. |
| 1056 | */ |
| 1057 | function wp_rel_nofollow( $text ) { |
| 1058 | global $wpdb; |
| 1059 | // This is a pre save filter, so text is already escaped. |
| 1060 | $text = stripslashes($text); |
| 1061 | $text = preg_replace_callback('|<a (.+?)>|i', 'wp_rel_nofollow_callback', $text); |
| 1062 | $text = $wpdb->escape($text); |
| 1063 | return $text; |
| 1064 | } |
| 1065 | |
| 1066 | /** |
| 1067 | * Callback to used to add rel=nofollow string to HTML A element. |
| 1068 | * |
| 1069 | * Will remove already existing rel="nofollow" and rel='nofollow' from the |
| 1070 | * string to prevent from invalidating (X)HTML. |
| 1071 | * |
| 1072 | * @since 2.3.0 |
| 1073 | * |
| 1074 | * @param array $matches Single Match |
| 1075 | * @return string HTML A Element with rel nofollow. |
| 1076 | */ |
| 1077 | function wp_rel_nofollow_callback( $matches ) { |
| 1078 | $text = $matches[1]; |
| 1079 | $text = str_replace(array(' rel="nofollow"', " rel='nofollow'"), '', $text); |
| 1080 | return "<a $text rel=\"nofollow\">"; |
| 1081 | } |
| 1082 | |
| 1083 | /** |
| 1084 | * Convert text equivalent of smilies to images. |
| 1085 | * |
| 1086 | * Will only convert smilies if the option 'use_smilies' is true and the globals |
| 1087 | * used in the function aren't empty. |
| 1088 | * |
| 1089 | * @since 0.71 |
| 1090 | * @uses $wp_smiliessearch, $wp_smiliesreplace Smiley replacement arrays. |
| 1091 | * |
| 1092 | * @param string $text Content to convert smilies from text. |
| 1093 | * @return string Converted content with text smilies replaced with images. |
| 1094 | */ |
| 1095 | function convert_smilies($text) { |
| 1096 | global $wp_smiliessearch, $wp_smiliesreplace; |
| 1097 | $output = ''; |
| 1098 | if ( get_option('use_smilies') && !empty($wp_smiliessearch) && !empty($wp_smiliesreplace) ) { |
| 1099 | // HTML loop taken from texturize function, could possible be consolidated |
| 1100 | $textarr = preg_split("/(<.*>)/U", $text, -1, PREG_SPLIT_DELIM_CAPTURE); // capture the tags as well as in between |
| 1101 | $stop = count($textarr);// loop stuff |
| 1102 | for ($i = 0; $i < $stop; $i++) { |
| 1103 | $content = $textarr[$i]; |
| 1104 | if ((strlen($content) > 0) && ('<' != $content{0})) { // If it's not a tag |
| 1105 | $content = preg_replace($wp_smiliessearch, $wp_smiliesreplace, $content); |
| 1106 | } |
| 1107 | $output .= $content; |
| 1108 | } |
| 1109 | } else { |
| 1110 | // return default text. |
| 1111 | $output = $text; |
| 1112 | } |
| 1113 | return $output; |
| 1114 | } |
| 1115 | |
| 1116 | /** |
| 1117 | * Checks to see if the text is a valid email address. |
| 1118 | * |
| 1119 | * @since 0.71 |
| 1120 | * |
| 1121 | * @param string $user_email The email address to be checked. |
| 1122 | * @return bool Returns true if valid, otherwise false. |
| 1123 | */ |
| 1124 | function is_email($user_email) { |
| 1125 | $chars = "/^([a-z0-9+_]|\\-|\\.)+@(([a-z0-9_]|\\-)+\\.)+[a-z]{2,6}\$/i"; |
| 1126 | if (strpos($user_email, '@') !== false && strpos($user_email, '.') !== false) { |
| 1127 | if (preg_match($chars, $user_email)) { |
| 1128 | return true; |
| 1129 | } else { |
| 1130 | return false; |
| 1131 | } |
| 1132 | } else { |
| 1133 | return false; |
| 1134 | } |
| 1135 | } |
| 1136 | |
| 1137 | /** |
| 1138 | * Convert to ASCII from email subjects. |
| 1139 | * |
| 1140 | * @since 1.2.0 |
| 1141 | * @usedby wp_mail() handles charsets in email subjects |
| 1142 | * |
| 1143 | * @param string $string Subject line |
| 1144 | * @return string Converted string to ASCII |
| 1145 | */ |
| 1146 | function wp_iso_descrambler($string) { |
| 1147 | /* this may only work with iso-8859-1, I'm afraid */ |
| 1148 | if (!preg_match('#\=\?(.+)\?Q\?(.+)\?\=#i', $string, $matches)) { |
| 1149 | return $string; |
| 1150 | } else { |
| 1151 | $subject = str_replace('_', ' ', $matches[2]); |
| 1152 | /** @todo use preg_replace_callback() */ |
| 1153 | $subject = preg_replace('#\=([0-9a-f]{2})#ei', "chr(hexdec(strtolower('$1')))", $subject); |
| 1154 | return $subject; |
| 1155 | } |
| 1156 | } |
| 1157 | |
| 1158 | /** |
| 1159 | * Returns a date in the GMT equivalent. |
| 1160 | * |
| 1161 | * Requires and returns a date in the Y-m-d H:i:s format. Simply subtracts the |
| 1162 | * value of gmt_offset. |
| 1163 | * |
| 1164 | * @since 1.2.0 |
| 1165 | * |
| 1166 | * @param string $string The date to be converted. |
| 1167 | * @return string GMT version of the date provided. |
| 1168 | */ |
| 1169 | function get_gmt_from_date($string) { |
| 1170 | 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); |
| 1171 | $string_time = gmmktime($matches[4], $matches[5], $matches[6], $matches[2], $matches[3], $matches[1]); |
| 1172 | $string_gmt = gmdate('Y-m-d H:i:s', $string_time - get_option('gmt_offset') * 3600); |
| 1173 | return $string_gmt; |
| 1174 | } |
| 1175 | |
| 1176 | /** |
| 1177 | * Converts a GMT date into the correct format for the blog. |
| 1178 | * |
| 1179 | * Requires and returns in the Y-m-d H:i:s format. Simply adds the value of |
| 1180 | * gmt_offset. |
| 1181 | * |
| 1182 | * @since 1.2.0 |
| 1183 | * |
| 1184 | * @param string $string The date to be converted. |
| 1185 | * @return string Formatted date relative to the GMT offset. |
| 1186 | */ |
| 1187 | function get_date_from_gmt($string) { |
| 1188 | 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); |
| 1189 | $string_time = gmmktime($matches[4], $matches[5], $matches[6], $matches[2], $matches[3], $matches[1]); |
| 1190 | $string_localtime = gmdate('Y-m-d H:i:s', $string_time + get_option('gmt_offset')*3600); |
| 1191 | return $string_localtime; |
| 1192 | } |
| 1193 | |
| 1194 | /** |
| 1195 | * Computes an offset in seconds from an iso8601 timezone. |
| 1196 | * |
| 1197 | * @since 1.5.0 |
| 1198 | * |
| 1199 | * @param string $timezone Either 'Z' for 0 offset or 'hhmm'. |
| 1200 | * @return int|float The offset in seconds. |
| 1201 | */ |
| 1202 | function iso8601_timezone_to_offset($timezone) { |
| 1203 | // $timezone is either 'Z' or '[+|-]hhmm' |
| 1204 | if ($timezone == 'Z') { |
| 1205 | $offset = 0; |
| 1206 | } else { |
| 1207 | $sign = (substr($timezone, 0, 1) == '+') ? 1 : -1; |
| 1208 | $hours = intval(substr($timezone, 1, 2)); |
| 1209 | $minutes = intval(substr($timezone, 3, 4)) / 60; |
| 1210 | $offset = $sign * 3600 * ($hours + $minutes); |
| 1211 | } |
| 1212 | return $offset; |
| 1213 | } |
| 1214 | |
| 1215 | /** |
| 1216 | * Converts an iso8601 date to MySQL DateTime format used by post_date[_gmt]. |
| 1217 | * |
| 1218 | * @since 1.5.0 |
| 1219 | * |
| 1220 | * @param string $date_string Date and time in ISO 8601 format {@link http://en.wikipedia.org/wiki/ISO_8601}. |
| 1221 | * @param string $timezone Optional. If set to GMT returns the time minus gmt_offset. Default is 'user'. |
| 1222 | * @return string The date and time in MySQL DateTime format - Y-m-d H:i:s. |
| 1223 | */ |
| 1224 | function iso8601_to_datetime($date_string, $timezone = 'user') { |
| 1225 | $timezone = strtolower($timezone); |
| 1226 | |
| 1227 | if ($timezone == 'gmt') { |
| 1228 | |
| 1229 | 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, $date_bits); |
| 1230 | |
| 1231 | if (!empty($date_bits[7])) { // we have a timezone, so let's compute an offset |
| 1232 | $offset = iso8601_timezone_to_offset($date_bits[7]); |
| 1233 | } else { // we don't have a timezone, so we assume user local timezone (not server's!) |
| 1234 | $offset = 3600 * get_option('gmt_offset'); |
| 1235 | } |
| 1236 | |
| 1237 | $timestamp = gmmktime($date_bits[4], $date_bits[5], $date_bits[6], $date_bits[2], $date_bits[3], $date_bits[1]); |
| 1238 | $timestamp -= $offset; |
| 1239 | |
| 1240 | return gmdate('Y-m-d H:i:s', $timestamp); |
| 1241 | |
| 1242 | } else if ($timezone == 'user') { |
| 1243 | 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); |
| 1244 | } |
| 1245 | } |
| 1246 | |
| 1247 | /** |
| 1248 | * Adds a element attributes to open links in new windows. |
| 1249 | * |
| 1250 | * Comment text in popup windows should be filtered through this. Right now it's |
| 1251 | * a moderately dumb function, ideally it would detect whether a target or rel |
| 1252 | * attribute was already there and adjust its actions accordingly. |
| 1253 | * |
| 1254 | * @since 0.71 |
| 1255 | * |
| 1256 | * @param string $text Content to replace links to open in a new window. |
| 1257 | * @return string Content that has filtered links. |
| 1258 | */ |
| 1259 | function popuplinks($text) { |
| 1260 | $text = preg_replace('/<a (.+?)>/i', "<a $1 target='_blank' rel='external'>", $text); |
| 1261 | return $text; |
| 1262 | } |
| 1263 | |
| 1264 | /** |
| 1265 | * Strips out all characters that are not allowable in an email. |
| 1266 | * |
| 1267 | * @since 1.5.0 |
| 1268 | * |
| 1269 | * @param string $email Email address to filter. |
| 1270 | * @return string Filtered email address. |
| 1271 | */ |
| 1272 | function sanitize_email($email) { |
| 1273 | return preg_replace('/[^a-z0-9+_.@-]/i', '', $email); |
| 1274 | } |
| 1275 | |
| 1276 | /** |
| 1277 | * Determines the difference between two timestamps. |
| 1278 | * |
| 1279 | * The difference is returned in a human readable format such as "1 hour", |
| 1280 | * "5 mins", "2 days". |
| 1281 | * |
| 1282 | * @since 1.5.0 |
| 1283 | * |
| 1284 | * @param int $from Unix timestamp from which the difference begins. |
| 1285 | * @param int $to Optional. Unix timestamp to end the time difference. Default becomes time() if not set. |
| 1286 | * @return string Human readable time difference. |
| 1287 | */ |
| 1288 | function human_time_diff( $from, $to = '' ) { |
| 1289 | if ( empty($to) ) |
| 1290 | $to = time(); |
| 1291 | $diff = (int) abs($to - $from); |
| 1292 | if ($diff <= 3600) { |
| 1293 | $mins = round($diff / 60); |
| 1294 | if ($mins <= 1) { |
| 1295 | $mins = 1; |
| 1296 | } |
| 1297 | $since = sprintf(__ngettext('%s min', '%s mins', $mins), $mins); |
| 1298 | } else if (($diff <= 86400) && ($diff > 3600)) { |
| 1299 | $hours = round($diff / 3600); |
| 1300 | if ($hours <= 1) { |
| 1301 | $hours = 1; |
| 1302 | } |
| 1303 | $since = sprintf(__ngettext('%s hour', '%s hours', $hours), $hours); |
| 1304 | } elseif ($diff >= 86400) { |
| 1305 | $days = round($diff / 86400); |
| 1306 | if ($days <= 1) { |
| 1307 | $days = 1; |
| 1308 | } |
| 1309 | $since = sprintf(__ngettext('%s day', '%s days', $days), $days); |
| 1310 | } |
| 1311 | return $since; |
| 1312 | } |
| 1313 | |
| 1314 | /** |
| 1315 | * Generates an excerpt from the content, if needed. |
| 1316 | * |
| 1317 | * The excerpt word amount will be 55 words and if the amount is greater than |
| 1318 | * that, then the string '[...]' will be appended to the excerpt. If the string |
| 1319 | * is less than 55 words, then the content will be returned as is. |
| 1320 | * |
| 1321 | * @since 1.5.0 |
| 1322 | * |
| 1323 | * @param string $text The exerpt. If set to empty an excerpt is generated. |
| 1324 | * @return string The excerpt. |
| 1325 | */ |
| 1326 | function wp_trim_excerpt($text) { |
| 1327 | if ( '' == $text ) { |
| 1328 | $text = get_the_content(''); |
| 1329 | |
| 1330 | $text = strip_shortcodes( $text ); |
| 1331 | |
| 1332 | $text = apply_filters('the_content', $text); |
| 1333 | $text = str_replace(']]>', ']]>', $text); |
| 1334 | $text = strip_tags($text); |
| 1335 | $excerpt_length = apply_filters('excerpt_length', 55); |
| 1336 | $words = explode(' ', $text, $excerpt_length + 1); |
| 1337 | if (count($words) > $excerpt_length) { |
| 1338 | array_pop($words); |
| 1339 | array_push($words, '[...]'); |
| 1340 | $text = implode(' ', $words); |
| 1341 | } |
| 1342 | } |
| 1343 | return $text; |
| 1344 | } |
| 1345 | |
| 1346 | /** |
| 1347 | * Converts named entities into numbered entities. |
| 1348 | * |
| 1349 | * @since 1.5.1 |
| 1350 | * |
| 1351 | * @param string $text The text within which entities will be converted. |
| 1352 | * @return string Text with converted entities. |
| 1353 | */ |
| 1354 | function ent2ncr($text) { |
| 1355 | $to_ncr = array( |
| 1356 | '"' => '"', |
| 1357 | '&' => '&', |
| 1358 | '⁄' => '/', |
| 1359 | '<' => '<', |
| 1360 | '>' => '>', |
| 1361 | '|' => '|', |
| 1362 | ' ' => ' ', |
| 1363 | '¡' => '¡', |
| 1364 | '¢' => '¢', |
| 1365 | '£' => '£', |
| 1366 | '¤' => '¤', |
| 1367 | '¥' => '¥', |
| 1368 | '¦' => '¦', |
| 1369 | '&brkbar;' => '¦', |
| 1370 | '§' => '§', |
| 1371 | '¨' => '¨', |
| 1372 | '¨' => '¨', |
| 1373 | '©' => '©', |
| 1374 | 'ª' => 'ª', |
| 1375 | '«' => '«', |
| 1376 | '¬' => '¬', |
| 1377 | '­' => '­', |
| 1378 | '®' => '®', |
| 1379 | '¯' => '¯', |
| 1380 | '&hibar;' => '¯', |
| 1381 | '°' => '°', |
| 1382 | '±' => '±', |
| 1383 | '²' => '²', |
| 1384 | '³' => '³', |
| 1385 | '´' => '´', |
| 1386 | 'µ' => 'µ', |
| 1387 | '¶' => '¶', |
| 1388 | '·' => '·', |
| 1389 | '¸' => '¸', |
| 1390 | '¹' => '¹', |
| 1391 | 'º' => 'º', |
| 1392 | '»' => '»', |
| 1393 | '¼' => '¼', |
| 1394 | '½' => '½', |
| 1395 | '¾' => '¾', |
| 1396 | '¿' => '¿', |
| 1397 | 'À' => 'À', |
| 1398 | 'Á' => 'Á', |
| 1399 | 'Â' => 'Â', |
| 1400 | 'Ã' => 'Ã', |
| 1401 | 'Ä' => 'Ä', |
| 1402 | 'Å' => 'Å', |
| 1403 | 'Æ' => 'Æ', |
| 1404 | 'Ç' => 'Ç', |
| 1405 | 'È' => 'È', |
| 1406 | 'É' => 'É', |
| 1407 | 'Ê' => 'Ê', |
| 1408 | 'Ë' => 'Ë', |
| 1409 | 'Ì' => 'Ì', |
| 1410 | 'Í' => 'Í', |
| 1411 | 'Î' => 'Î', |
| 1412 | 'Ï' => 'Ï', |
| 1413 | 'Ð' => 'Ð', |
| 1414 | 'Ñ' => 'Ñ', |
| 1415 | 'Ò' => 'Ò', |
| 1416 | 'Ó' => 'Ó', |
| 1417 | 'Ô' => 'Ô', |
| 1418 | 'Õ' => 'Õ', |
| 1419 | 'Ö' => 'Ö', |
| 1420 | '×' => '×', |
| 1421 | 'Ø' => 'Ø', |
| 1422 | 'Ù' => 'Ù', |
| 1423 | 'Ú' => 'Ú', |
| 1424 | 'Û' => 'Û', |
| 1425 | 'Ü' => 'Ü', |
| 1426 | 'Ý' => 'Ý', |
| 1427 | 'Þ' => 'Þ', |
| 1428 | 'ß' => 'ß', |
| 1429 | 'à' => 'à', |
| 1430 | 'á' => 'á', |
| 1431 | 'â' => 'â', |
| 1432 | 'ã' => 'ã', |
| 1433 | 'ä' => 'ä', |
| 1434 | 'å' => 'å', |
| 1435 | 'æ' => 'æ', |
| 1436 | 'ç' => 'ç', |
| 1437 | 'è' => 'è', |
| 1438 | 'é' => 'é', |
| 1439 | 'ê' => 'ê', |
| 1440 | 'ë' => 'ë', |
| 1441 | 'ì' => 'ì', |
| 1442 | 'í' => 'í', |
| 1443 | 'î' => 'î', |
| 1444 | 'ï' => 'ï', |
| 1445 | 'ð' => 'ð', |
| 1446 | 'ñ' => 'ñ', |
| 1447 | 'ò' => 'ò', |
| 1448 | 'ó' => 'ó', |
| 1449 | 'ô' => 'ô', |
| 1450 | 'õ' => 'õ', |
| 1451 | 'ö' => 'ö', |
| 1452 | '÷' => '÷', |
| 1453 | 'ø' => 'ø', |
| 1454 | 'ù' => 'ù', |
| 1455 | 'ú' => 'ú', |
| 1456 | 'û' => 'û', |
| 1457 | 'ü' => 'ü', |
| 1458 | 'ý' => 'ý', |
| 1459 | 'þ' => 'þ', |
| 1460 | 'ÿ' => 'ÿ', |
| 1461 | 'Œ' => 'Œ', |
| 1462 | 'œ' => 'œ', |
| 1463 | 'Š' => 'Š', |
| 1464 | 'š' => 'š', |
| 1465 | 'Ÿ' => 'Ÿ', |
| 1466 | 'ƒ' => 'ƒ', |
| 1467 | 'ˆ' => 'ˆ', |
| 1468 | '˜' => '˜', |
| 1469 | 'Α' => 'Α', |
| 1470 | 'Β' => 'Β', |
| 1471 | 'Γ' => 'Γ', |
| 1472 | 'Δ' => 'Δ', |
| 1473 | 'Ε' => 'Ε', |
| 1474 | 'Ζ' => 'Ζ', |
| 1475 | 'Η' => 'Η', |
| 1476 | 'Θ' => 'Θ', |
| 1477 | 'Ι' => 'Ι', |
| 1478 | 'Κ' => 'Κ', |
| 1479 | 'Λ' => 'Λ', |
| 1480 | 'Μ' => 'Μ', |
| 1481 | 'Ν' => 'Ν', |
| 1482 | 'Ξ' => 'Ξ', |
| 1483 | 'Ο' => 'Ο', |
| 1484 | 'Π' => 'Π', |
| 1485 | 'Ρ' => 'Ρ', |
| 1486 | 'Σ' => 'Σ', |
| 1487 | 'Τ' => 'Τ', |
| 1488 | 'Υ' => 'Υ', |
| 1489 | 'Φ' => 'Φ', |
| 1490 | 'Χ' => 'Χ', |
| 1491 | 'Ψ' => 'Ψ', |
| 1492 | 'Ω' => 'Ω', |
| 1493 | 'α' => 'α', |
| 1494 | 'β' => 'β', |
| 1495 | 'γ' => 'γ', |
| 1496 | 'δ' => 'δ', |
| 1497 | 'ε' => 'ε', |
| 1498 | 'ζ' => 'ζ', |
| 1499 | 'η' => 'η', |
| 1500 | 'θ' => 'θ', |
| 1501 | 'ι' => 'ι', |
| 1502 | 'κ' => 'κ', |
| 1503 | 'λ' => 'λ', |
| 1504 | 'μ' => 'μ', |
| 1505 | 'ν' => 'ν', |
| 1506 | 'ξ' => 'ξ', |
| 1507 | 'ο' => 'ο', |
| 1508 | 'π' => 'π', |
| 1509 | 'ρ' => 'ρ', |
| 1510 | 'ς' => 'ς', |
| 1511 | 'σ' => 'σ', |
| 1512 | 'τ' => 'τ', |
| 1513 | 'υ' => 'υ', |
| 1514 | 'φ' => 'φ', |
| 1515 | 'χ' => 'χ', |
| 1516 | 'ψ' => 'ψ', |
| 1517 | 'ω' => 'ω', |
| 1518 | 'ϑ' => 'ϑ', |
| 1519 | 'ϒ' => 'ϒ', |
| 1520 | 'ϖ' => 'ϖ', |
| 1521 | ' ' => ' ', |
| 1522 | ' ' => ' ', |
| 1523 | ' ' => ' ', |
| 1524 | '‌' => '‌', |
| 1525 | '‍' => '‍', |
| 1526 | '‎' => '‎', |
| 1527 | '‏' => '‏', |
| 1528 | '–' => '–', |
| 1529 | '—' => '—', |
| 1530 | '‘' => '‘', |
| 1531 | '’' => '’', |
| 1532 | '‚' => '‚', |
| 1533 | '“' => '“', |
| 1534 | '”' => '”', |
| 1535 | '„' => '„', |
| 1536 | '†' => '†', |
| 1537 | '‡' => '‡', |
| 1538 | '•' => '•', |
| 1539 | '…' => '…', |
| 1540 | '‰' => '‰', |
| 1541 | '′' => '′', |
| 1542 | '″' => '″', |
| 1543 | '‹' => '‹', |
| 1544 | '›' => '›', |
| 1545 | '‾' => '‾', |
| 1546 | '⁄' => '⁄', |
| 1547 | '€' => '€', |
| 1548 | 'ℑ' => 'ℑ', |
| 1549 | '℘' => '℘', |
| 1550 | 'ℜ' => 'ℜ', |
| 1551 | '™' => '™', |
| 1552 | 'ℵ' => 'ℵ', |
| 1553 | '↵' => '↵', |
| 1554 | '⇐' => '⇐', |
| 1555 | '⇑' => '⇑', |
| 1556 | '⇒' => '⇒', |
| 1557 | '⇓' => '⇓', |
| 1558 | '⇔' => '⇔', |
| 1559 | '∀' => '∀', |
| 1560 | '∂' => '∂', |
| 1561 | '∃' => '∃', |
| 1562 | '∅' => '∅', |
| 1563 | '∇' => '∇', |
| 1564 | '∈' => '∈', |
| 1565 | '∉' => '∉', |
| 1566 | '∋' => '∋', |
| 1567 | '∏' => '∏', |
| 1568 | '∑' => '∑', |
| 1569 | '−' => '−', |
| 1570 | '∗' => '∗', |
| 1571 | '√' => '√', |
| 1572 | '∝' => '∝', |
| 1573 | '∞' => '∞', |
| 1574 | '∠' => '∠', |
| 1575 | '∧' => '∧', |
| 1576 | '∨' => '∨', |
| 1577 | '∩' => '∩', |
| 1578 | '∪' => '∪', |
| 1579 | '∫' => '∫', |
| 1580 | '∴' => '∴', |
| 1581 | '∼' => '∼', |
| 1582 | '≅' => '≅', |
| 1583 | '≈' => '≈', |
| 1584 | '≠' => '≠', |
| 1585 | '≡' => '≡', |
| 1586 | '≤' => '≤', |
| 1587 | '≥' => '≥', |
| 1588 | '⊂' => '⊂', |
| 1589 | '⊃' => '⊃', |
| 1590 | '⊄' => '⊄', |
| 1591 | '⊆' => '⊆', |
| 1592 | '⊇' => '⊇', |
| 1593 | '⊕' => '⊕', |
| 1594 | '⊗' => '⊗', |
| 1595 | '⊥' => '⊥', |
| 1596 | '⋅' => '⋅', |
| 1597 | '⌈' => '⌈', |
| 1598 | '⌉' => '⌉', |
| 1599 | '⌊' => '⌊', |
| 1600 | '⌋' => '⌋', |
| 1601 | '⟨' => '〈', |
| 1602 | '⟩' => '〉', |
| 1603 | '←' => '←', |
| 1604 | '↑' => '↑', |
| 1605 | '→' => '→', |
| 1606 | '↓' => '↓', |
| 1607 | '↔' => '↔', |
| 1608 | '◊' => '◊', |
| 1609 | '♠' => '♠', |
| 1610 | '♣' => '♣', |
| 1611 | '♥' => '♥', |
| 1612 | '♦' => '♦' |
| 1613 | ); |
| 1614 | |
| 1615 | return str_replace( array_keys($to_ncr), array_values($to_ncr), $text ); |
| 1616 | } |
| 1617 | |
| 1618 | /** |
| 1619 | * Formats text for the rich text editor. |
| 1620 | * |
| 1621 | * The filter 'richedit_pre' is applied here. If $text is empty the filter will |
| 1622 | * be applied to an empty string. |
| 1623 | * |
| 1624 | * @since 2.0.0 |
| 1625 | * |
| 1626 | * @param string $text The text to be formatted. |
| 1627 | * @return string The formatted text after filter is applied. |
| 1628 | */ |
| 1629 | function wp_richedit_pre($text) { |
| 1630 | // Filtering a blank results in an annoying <br />\n |
| 1631 | if ( empty($text) ) return apply_filters('richedit_pre', ''); |
| 1632 | |
| 1633 | $output = convert_chars($text); |
| 1634 | $output = wpautop($output); |
| 1635 | $output = htmlspecialchars($output, ENT_NOQUOTES); |
| 1636 | |
| 1637 | return apply_filters('richedit_pre', $output); |
| 1638 | } |
| 1639 | |
| 1640 | /** |
| 1641 | * Formats text for the HTML editor. |
| 1642 | * |
| 1643 | * Unless $output is empty it will pass through htmlspecialchars before the |
| 1644 | * 'htmledit_pre' filter is applied. |
| 1645 | * |
| 1646 | * @since 2.5.0 |
| 1647 | * |
| 1648 | * @param string $output The text to be formatted. |
| 1649 | * @return string Formatted text after filter applied. |
| 1650 | */ |
| 1651 | function wp_htmledit_pre($output) { |
| 1652 | if ( !empty($output) ) |
| 1653 | $output = htmlspecialchars($output, ENT_NOQUOTES); // convert only < > & |
| 1654 | |
| 1655 | return apply_filters('htmledit_pre', $output); |
| 1656 | } |
| 1657 | |
| 1658 | /** |
| 1659 | * Checks and cleans a URL. |
| 1660 | * |
| 1661 | * A number of characters are removed from the URL. If the URL is for displaying |
| 1662 | * (the default behaviour) amperstands are also replaced. The 'clean_url' filter |
| 1663 | * is applied to the returned cleaned URL. |
| 1664 | * |
| 1665 | * @since 1.2.0 |
| 1666 | * @uses wp_kses_bad_protocol() To only permit protocols in the URL set |
| 1667 | * via $protocols or the common ones set in the function. |
| 1668 | * |
| 1669 | * @param string $url The URL to be cleaned. |
| 1670 | * @param array $protocols Optional. An array of acceptable protocols. |
| 1671 | * Defaults to 'http', 'https', 'ftp', 'ftps', 'mailto', 'news', 'irc', 'gopher', 'nntp', 'feed', 'telnet' if not set. |
| 1672 | * @param string $context Optional. How the URL will be used. Default is 'display'. |
| 1673 | * @return string The cleaned $url after the 'cleaned_url' filter is applied. |
| 1674 | */ |
| 1675 | function clean_url( $url, $protocols = null, $context = 'display' ) { |
| 1676 | $original_url = $url; |
| 1677 | |
| 1678 | if ('' == $url) return $url; |
| 1679 | $url = preg_replace('|[^a-z0-9-~+_.?#=!&;,/:%@$*\'()\\x80-\\xff]|i', '', $url); |
| 1680 | $strip = array('%0d', '%0a'); |
| 1681 | $url = str_replace($strip, '', $url); |
| 1682 | $url = str_replace(';//', '://', $url); |
| 1683 | /* If the URL doesn't appear to contain a scheme, we |
| 1684 | * presume it needs http:// appended (unless a relative |
| 1685 | * link starting with / or a php file). |
| 1686 | */ |
| 1687 | if ( strpos($url, ':') === false && |
| 1688 | substr( $url, 0, 1 ) != '/' && !preg_match('/^[a-z0-9-]+?\.php/i', $url) ) |
| 1689 | $url = 'http://' . $url; |
| 1690 | |
| 1691 | // Replace ampersands and single quotes only when displaying. |
| 1692 | if ( 'display' == $context ) { |
| 1693 | $url = preg_replace('/&([^#])(?![a-z]{2,8};)/', '&$1', $url); |
| 1694 | $url = str_replace( "'", ''', $url ); |
| 1695 | } |
| 1696 | |
| 1697 | if ( !is_array($protocols) ) |
| 1698 | $protocols = array('http', 'https', 'ftp', 'ftps', 'mailto', 'news', 'irc', 'gopher', 'nntp', 'feed', 'telnet'); |
| 1699 | if ( wp_kses_bad_protocol( $url, $protocols ) != $url ) |
| 1700 | return ''; |
| 1701 | |
| 1702 | return apply_filters('clean_url', $url, $original_url, $context); |
| 1703 | } |
| 1704 | |
| 1705 | /** |
| 1706 | * Performs clean_url() for database usage. |
| 1707 | * |
| 1708 | * @see clean_url() |
| 1709 | * |
| 1710 | * @since 2.3.1 |
| 1711 | * |
| 1712 | * @param string $url The URL to be cleaned. |
| 1713 | * @param array $protocols An array of acceptable protocols. |
| 1714 | * @return string The cleaned URL. |
| 1715 | */ |
| 1716 | function sanitize_url( $url, $protocols = null ) { |
| 1717 | return clean_url( $url, $protocols, 'db' ); |
| 1718 | } |
| 1719 | |
| 1720 | /** |
| 1721 | * Convert entities, while preserving already-encoded entities. |
| 1722 | * |
| 1723 | * @link http://www.php.net/htmlentities Borrowed from the PHP Manual user notes. |
| 1724 | * |
| 1725 | * @since 1.2.2 |
| 1726 | * |
| 1727 | * @param string $myHTML The text to be converted. |
| 1728 | * @return string Converted text. |
| 1729 | */ |
| 1730 | function htmlentities2($myHTML) { |
| 1731 | $translation_table = get_html_translation_table( HTML_ENTITIES, ENT_QUOTES ); |
| 1732 | $translation_table[chr(38)] = '&'; |
| 1733 | return preg_replace( "/&(?![A-Za-z]{0,4}\w{2,3};|#[0-9]{2,3};)/", "&", strtr($myHTML, $translation_table) ); |
| 1734 | } |
| 1735 | |
| 1736 | /** |
| 1737 | * Escape single quotes, specialchar double quotes, and fix line endings. |
| 1738 | * |
| 1739 | * The filter 'js_escape' is also applied here. |
| 1740 | * |
| 1741 | * @since 2.0.4 |
| 1742 | * |
| 1743 | * @param string $text The text to be escaped. |
| 1744 | * @return string Escaped text. |
| 1745 | */ |
| 1746 | function js_escape($text) { |
| 1747 | $safe_text = wp_specialchars($text, 'double'); |
| 1748 | $safe_text = preg_replace('/&#(x)?0*(?(1)27|39);?/i', "'", stripslashes($safe_text)); |
| 1749 | $safe_text = preg_replace("/\r?\n/", "\\n", addslashes($safe_text)); |
| 1750 | return apply_filters('js_escape', $safe_text, $text); |
| 1751 | } |
| 1752 | |
| 1753 | /** |
| 1754 | * Escaping for HTML attributes. |
| 1755 | * |
| 1756 | * @since 2.0.6 |
| 1757 | * |
| 1758 | * @param string $text |
| 1759 | * @return string |
| 1760 | */ |
| 1761 | function attribute_escape($text) { |
| 1762 | $safe_text = wp_specialchars($text, true); |
| 1763 | return apply_filters('attribute_escape', $safe_text, $text); |
| 1764 | } |
| 1765 | |
| 1766 | /** |
| 1767 | * Escape a HTML tag name. |
| 1768 | * |
| 1769 | * @since 2.5.0 |
| 1770 | * |
| 1771 | * @param string $tag_name |
| 1772 | * @return string |
| 1773 | */ |
| 1774 | function tag_escape($tag_name) { |
| 1775 | $safe_tag = strtolower( preg_replace('[^a-zA-Z_:]', '', $tag_name) ); |
| 1776 | return apply_filters('tag_escape', $safe_tag, $tag_name); |
| 1777 | } |
| 1778 | |
| 1779 | /** |
| 1780 | * Escapes text for SQL LIKE special characters % and _. |
| 1781 | * |
| 1782 | * @since 2.5.0 |
| 1783 | * |
| 1784 | * @param string $text The text to be escaped. |
| 1785 | * @return string text, safe for inclusion in LIKE query. |
| 1786 | */ |
| 1787 | function like_escape($text) { |
| 1788 | return str_replace(array("%", "_"), array("\\%", "\\_"), $text); |
| 1789 | } |
| 1790 | |
| 1791 | /** |
| 1792 | * Convert full URL paths to absolute paths. |
| 1793 | * |
| 1794 | * Removes the http or https protocols and the domain. Keeps the path '/' at the |
| 1795 | * beginning, so it isn't a true relative link, but from the web root base. |
| 1796 | * |
| 1797 | * @since 2.1.0 |
| 1798 | * |
| 1799 | * @param string $link Full URL path. |
| 1800 | * @return string Absolute path. |
| 1801 | */ |
| 1802 | function wp_make_link_relative( $link ) { |
| 1803 | return preg_replace( '|https?://[^/]+(/.*)|i', '$1', $link ); |
| 1804 | } |
| 1805 | |
| 1806 | /** |
| 1807 | * Sanitises various option values based on the nature of the option. |
| 1808 | * |
| 1809 | * This is basically a switch statement which will pass $value through a number |
| 1810 | * of functions depending on the $option. |
| 1811 | * |
| 1812 | * @since 2.0.5 |
| 1813 | * |
| 1814 | * @param string $option The name of the option. |
| 1815 | * @param string $value The unsanitised value. |
| 1816 | * @return string Sanitized value. |
| 1817 | */ |
| 1818 | function sanitize_option($option, $value) { |
| 1819 | |
| 1820 | switch ($option) { |
| 1821 | case 'admin_email': |
| 1822 | $value = sanitize_email($value); |
| 1823 | break; |
| 1824 | |
| 1825 | case 'thumbnail_size_w': |
| 1826 | case 'thumbnail_size_h': |
| 1827 | case 'medium_size_w': |
| 1828 | case 'medium_size_h': |
| 1829 | case 'large_size_w': |
| 1830 | case 'large_size_h': |
| 1831 | case 'default_post_edit_rows': |
| 1832 | case 'mailserver_port': |
| 1833 | case 'comment_max_links': |
| 1834 | case 'page_on_front': |
| 1835 | case 'rss_excerpt_length': |
| 1836 | case 'default_category': |
| 1837 | case 'default_email_category': |
| 1838 | case 'default_link_category': |
| 1839 | case 'close_comments_days_old': |
| 1840 | case 'comments_per_page': |
| 1841 | case 'thread_comments_depth': |
| 1842 | $value = abs((int) $value); |
| 1843 | break; |
| 1844 | |
| 1845 | case 'posts_per_page': |
| 1846 | case 'posts_per_rss': |
| 1847 | $value = (int) $value; |
| 1848 | if ( empty($value) ) $value = 1; |
| 1849 | if ( $value < -1 ) $value = abs($value); |
| 1850 | break; |
| 1851 | |
| 1852 | case 'default_ping_status': |
| 1853 | case 'default_comment_status': |
| 1854 | // Options that if not there have 0 value but need to be something like "closed" |
| 1855 | if ( $value == '0' || $value == '') |
| 1856 | $value = 'closed'; |
| 1857 | break; |
| 1858 | |
| 1859 | case 'blogdescription': |
| 1860 | case 'blogname': |
| 1861 | $value = addslashes($value); |
| 1862 | $value = wp_filter_post_kses( $value ); // calls stripslashes then addslashes |
| 1863 | $value = stripslashes($value); |
| 1864 | $value = wp_specialchars( $value ); |
| 1865 | break; |
| 1866 | |
| 1867 | case 'blog_charset': |
| 1868 | $value = preg_replace('/[^a-zA-Z0-9_-]/', '', $value); // strips slashes |
| 1869 | break; |
| 1870 | |
| 1871 | case 'date_format': |
| 1872 | case 'time_format': |
| 1873 | case 'mailserver_url': |
| 1874 | case 'mailserver_login': |
| 1875 | case 'mailserver_pass': |
| 1876 | case 'ping_sites': |
| 1877 | case 'upload_path': |
| 1878 | $value = strip_tags($value); |
| 1879 | $value = addslashes($value); |
| 1880 | $value = wp_filter_kses($value); // calls stripslashes then addslashes |
| 1881 | $value = stripslashes($value); |
| 1882 | break; |
| 1883 | |
| 1884 | case 'gmt_offset': |
| 1885 | $value = preg_replace('/[^0-9:.-]/', '', $value); // strips slashes |
| 1886 | break; |
| 1887 | |
| 1888 | case 'siteurl': |
| 1889 | case 'home': |
| 1890 | $value = stripslashes($value); |
| 1891 | $value = clean_url($value); |
| 1892 | break; |
| 1893 | default : |
| 1894 | $value = apply_filters("sanitize_option_{$option}", $value, $option); |
| 1895 | break; |
| 1896 | } |
| 1897 | |
| 1898 | return $value; |
| 1899 | } |
| 1900 | |
| 1901 | /** |
| 1902 | * Parses a string into variables to be stored in an array. |
| 1903 | * |
| 1904 | * Uses {@link http://www.php.net/parse_str parse_str()} and stripslashes if |
| 1905 | * {@link http://www.php.net/magic_quotes magic_quotes_gpc} is on. |
| 1906 | * |
| 1907 | * @since 2.2.1 |
| 1908 | * @uses apply_filters() for the 'wp_parse_str' filter. |
| 1909 | * |
| 1910 | * @param string $string The string to be parsed. |
| 1911 | * @param array $array Variables will be stored in this array. |
| 1912 | */ |
| 1913 | function wp_parse_str( $string, &$array ) { |
| 1914 | parse_str( $string, $array ); |
| 1915 | if ( get_magic_quotes_gpc() ) |
| 1916 | $array = stripslashes_deep( $array ); |
| 1917 | $array = apply_filters( 'wp_parse_str', $array ); |
| 1918 | } |
| 1919 | |
| 1920 | /** |
| 1921 | * Convert lone less than signs. |
| 1922 | * |
| 1923 | * KSES already converts lone greater than signs. |
| 1924 | * |
| 1925 | * @uses wp_pre_kses_less_than_callback in the callback function. |
| 1926 | * @since 2.3.0 |
| 1927 | * |
| 1928 | * @param string $text Text to be converted. |
| 1929 | * @return string Converted text. |
| 1930 | */ |
| 1931 | function wp_pre_kses_less_than( $text ) { |
| 1932 | return preg_replace_callback('%<[^>]*?((?=<)|>|$)%', 'wp_pre_kses_less_than_callback', $text); |
| 1933 | } |
| 1934 | |
| 1935 | /** |
| 1936 | * Callback function used by preg_replace. |
| 1937 | * |
| 1938 | * @uses wp_specialchars to format the $matches text. |
| 1939 | * @since 2.3.0 |
| 1940 | * |
| 1941 | * @param array $matches Populated by matches to preg_replace. |
| 1942 | * @return string The text returned after wp_specialchars if needed. |
| 1943 | */ |
| 1944 | function wp_pre_kses_less_than_callback( $matches ) { |
| 1945 | if ( false === strpos($matches[0], '>') ) |
| 1946 | return wp_specialchars($matches[0]); |
| 1947 | return $matches[0]; |
| 1948 | } |
| 1949 | |
| 1950 | /** |
| 1951 | * WordPress implementation of PHP sprintf() with filters. |
| 1952 | * |
| 1953 | * @since 2.5.0 |
| 1954 | * @link http://www.php.net/sprintf |
| 1955 | * |
| 1956 | * @param string $pattern The string which formatted args are inserted. |
| 1957 | * @param mixed $args,... Arguments to be formatted into the $pattern string. |
| 1958 | * @return string The formatted string. |
| 1959 | */ |
| 1960 | function wp_sprintf( $pattern ) { |
| 1961 | $args = func_get_args( ); |
| 1962 | $len = strlen($pattern); |
| 1963 | $start = 0; |
| 1964 | $result = ''; |
| 1965 | $arg_index = 0; |
| 1966 | while ( $len > $start ) { |
| 1967 | // Last character: append and break |
| 1968 | if ( strlen($pattern) - 1 == $start ) { |
| 1969 | $result .= substr($pattern, -1); |
| 1970 | break; |
| 1971 | } |
| 1972 | |
| 1973 | // Literal %: append and continue |
| 1974 | if ( substr($pattern, $start, 2) == '%%' ) { |
| 1975 | $start += 2; |
| 1976 | $result .= '%'; |
| 1977 | continue; |
| 1978 | } |
| 1979 | |
| 1980 | // Get fragment before next % |
| 1981 | $end = strpos($pattern, '%', $start + 1); |
| 1982 | if ( false === $end ) |
| 1983 | $end = $len; |
| 1984 | $fragment = substr($pattern, $start, $end - $start); |
| 1985 | |
| 1986 | // Fragment has a specifier |
| 1987 | if ( $pattern{$start} == '%' ) { |
| 1988 | // Find numbered arguments or take the next one in order |
| 1989 | if ( preg_match('/^%(\d+)\$/', $fragment, $matches) ) { |
| 1990 | $arg = isset($args[$matches[1]]) ? $args[$matches[1]] : ''; |
| 1991 | $fragment = str_replace("%{$matches[1]}$", '%', $fragment); |
| 1992 | } else { |
| 1993 | ++$arg_index; |
| 1994 | $arg = isset($args[$arg_index]) ? $args[$arg_index] : ''; |
| 1995 | } |
| 1996 | |
| 1997 | // Apply filters OR sprintf |
| 1998 | $_fragment = apply_filters( 'wp_sprintf', $fragment, $arg ); |
| 1999 | if ( $_fragment != $fragment ) |
| 2000 | $fragment = $_fragment; |
| 2001 | else |
| 2002 | $fragment = sprintf($fragment, strval($arg) ); |
| 2003 | } |
| 2004 | |
| 2005 | // Append to result and move to next fragment |
| 2006 | $result .= $fragment; |
| 2007 | $start = $end; |
| 2008 | } |
| 2009 | return $result; |
| 2010 | } |
| 2011 | |
| 2012 | /** |
| 2013 | * Localize list items before the rest of the content. |
| 2014 | * |
| 2015 | * The '%l' must be at the first characters can then contain the rest of the |
| 2016 | * content. The list items will have ', ', ', and', and ' and ' added depending |
| 2017 | * on the amount of list items in the $args parameter. |
| 2018 | * |
| 2019 | * @since 2.5.0 |
| 2020 | * |
| 2021 | * @param string $pattern Content containing '%l' at the beginning. |
| 2022 | * @param array $args List items to prepend to the content and replace '%l'. |
| 2023 | * @return string Localized list items and rest of the content. |
| 2024 | */ |
| 2025 | function wp_sprintf_l($pattern, $args) { |
| 2026 | // Not a match |
| 2027 | if ( substr($pattern, 0, 2) != '%l' ) |
| 2028 | return $pattern; |
| 2029 | |
| 2030 | // Nothing to work with |
| 2031 | if ( empty($args) ) |
| 2032 | return ''; |
| 2033 | |
| 2034 | // Translate and filter the delimiter set (avoid ampersands and entities here) |
| 2035 | $l = apply_filters('wp_sprintf_l', array( |
| 2036 | 'between' => _c(', |between list items'), |
| 2037 | 'between_last_two' => _c(', and |between last two list items'), |
| 2038 | 'between_only_two' => _c(' and |between only two list items'), |
| 2039 | )); |
| 2040 | |
| 2041 | $args = (array) $args; |
| 2042 | $result = array_shift($args); |
| 2043 | if ( count($args) == 1 ) |
| 2044 | $result .= $l['between_only_two'] . array_shift($args); |
| 2045 | // Loop when more than two args |
| 2046 | $i = count($args); |
| 2047 | while ( $i ) { |
| 2048 | $arg = array_shift($args); |
| 2049 | $i--; |
| 2050 | if ( $i == 1 ) |
| 2051 | $result .= $l['between_last_two'] . $arg; |
| 2052 | else |
| 2053 | $result .= $l['between'] . $arg; |
| 2054 | } |
| 2055 | return $result . substr($pattern, 2); |
| 2056 | } |
| 2057 | |
| 2058 | /** |
| 2059 | * Safely extracts not more than the first $count characters from html string. |
| 2060 | * |
| 2061 | * UTF-8, tags and entities safe prefix extraction. Entities inside will *NOT* |
| 2062 | * be counted as one character. For example & will be counted as 4, < as |
| 2063 | * 3, etc. |
| 2064 | * |
| 2065 | * @since 2.5.0 |
| 2066 | * |
| 2067 | * @param integer $str String to get the excerpt from. |
| 2068 | * @param integer $count Maximum number of characters to take. |
| 2069 | * @return string The excerpt. |
| 2070 | */ |
| 2071 | function wp_html_excerpt( $str, $count ) { |
| 2072 | $str = strip_tags( $str ); |
| 2073 | $str = mb_strcut( $str, 0, $count ); |
| 2074 | // remove part of an entity at the end |
| 2075 | $str = preg_replace( '/&[^;\s]{0,6}$/', '', $str ); |
| 2076 | return $str; |
| 2077 | } |
| 2078 | |
| 2079 | /** |
| 2080 | * Add a Base url to relative links in passed content. |
| 2081 | * |
| 2082 | * By default it supports the 'src' and 'href' attributes. However this can be |
| 2083 | * changed via the 3rd param. |
| 2084 | * |
| 2085 | * @since 2.7.0 |
| 2086 | * |
| 2087 | * @param string $content String to search for links in. |
| 2088 | * @param string $base The base URL to prefix to links. |
| 2089 | * @param array $attrs The attributes which should be processed. |
| 2090 | * @return string The processed content. |
| 2091 | */ |
| 2092 | function links_add_base_url( $content, $base, $attrs = array('src', 'href') ) { |
| 2093 | $attrs = implode('|', (array)$attrs); |
| 2094 | return preg_replace_callback("!($attrs)=(['\"])(.+?)\\2!i", |
| 2095 | create_function('$m', 'return _links_add_base($m, "' . $base . '");'), |
| 2096 | $content); |
| 2097 | } |
| 2098 | |
| 2099 | /** |
| 2100 | * Callback to add a base url to relative links in passed content. |
| 2101 | * |
| 2102 | * @since 2.7.0 |
| 2103 | * @access private |
| 2104 | * |
| 2105 | * @param string $m The matched link. |
| 2106 | * @param string $base The base URL to prefix to links. |
| 2107 | * @return string The processed link. |
| 2108 | */ |
| 2109 | function _links_add_base($m, $base) { |
| 2110 | //1 = attribute name 2 = quotation mark 3 = URL |
| 2111 | return $m[1] . '=' . $m[2] . |
| 2112 | (strpos($m[3], 'http://') === false ? |
| 2113 | path_join($base, $m[3]) : |
| 2114 | $m[3]) |
| 2115 | . $m[2]; |
| 2116 | } |
| 2117 | |
| 2118 | /** |
| 2119 | * Adds a Target attribute to all links in passed content. |
| 2120 | * |
| 2121 | * This function by default only applies to <a> tags, however this can be |
| 2122 | * modified by the 3rd param. |
| 2123 | * |
| 2124 | * <b>NOTE:</b> Any current target attributed will be striped and replaced. |
| 2125 | * |
| 2126 | * @since 2.7.0 |
| 2127 | * |
| 2128 | * @param string $content String to search for links in. |
| 2129 | * @param string $target The Target to add to the links. |
| 2130 | * @param array $tags An array of tags to apply to. |
| 2131 | * @return string The processed content. |
| 2132 | */ |
| 2133 | function links_add_target( $content, $target = '_blank', $tags = array('a') ) { |
| 2134 | $tags = implode('|', (array)$tags); |
| 2135 | return preg_replace_callback("!<($tags)(.+?)>!i", |
| 2136 | create_function('$m', 'return _links_add_target($m, "' . $target . '");'), |
| 2137 | $content); |
| 2138 | } |
| 2139 | /** |
| 2140 | * Callback to add a target attribute to all links in passed content. |
| 2141 | * |
| 2142 | * @since 2.7.0 |
| 2143 | * @access private |
| 2144 | * |
| 2145 | * @param string $m The matched link. |
| 2146 | * @param string $target The Target to add to the links. |
| 2147 | * @return string The processed link. |
| 2148 | */ |
| 2149 | function _links_add_target( $m, $target ) { |
| 2150 | $tag = $m[1]; |
| 2151 | $link = preg_replace('|(target=[\'"](.*?)[\'"])|i', '', $m[2]); |
| 2152 | return '<' . $tag . $link . ' target="' . $target . '">'; |
| 2153 | } |
| 2154 | |
| 2155 | // normalize EOL characters and strip duplicate whitespace |
| 2156 | function normalize_whitespace( $str ) { |
| 2157 | $str = trim($str); |
| 2158 | $str = str_replace("\r", "\n", $str); |
| 2159 | $str = preg_replace( array( '/\n+/', '/[ \t]+/' ), array( "\n", ' ' ), $str ); |
| 2160 | return $str; |
| 2161 | } |
| 2162 | |
| 2163 | ?> |