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1 <?php 2 3 function bb_autop($pee, $br = 1) { // Reduced to be faster 4 $pee = $pee . "\n"; // just to make things a little easier, pad the end 5 $pee = preg_replace('|<br />\s*<br />|', "\n\n", $pee); 6 // Space things out a little 7 $pee = preg_replace('!(<(?:ul|ol|li|blockquote|pre|p)[^>]*>)!', "\n$1", $pee); 8 $pee = preg_replace('!(</(?:ul|ol|li|blockquote|pre|p)>)!', "$1\n", $pee); 9 $pee = str_replace(array("\r\n", "\r"), "\n", $pee); // cross-platform newlines 10 $pee = preg_replace("/\n\n+/", "\n\n", $pee); // take care of duplicates 11 $pee = preg_replace('/\n?(.+?)(?:\n\s*\n|\z)/s', "<p>$1</p>\n", $pee); // make paragraphs, including one at the end 12 $pee = preg_replace('|<p>\s*?</p>|', '', $pee); // under certain strange conditions it could create a P of entirely whitespace 13 $pee = preg_replace('!<p>\s*(</?(?:ul|ol|li|blockquote|p)[^>]*>)\s*</p>!', "$1", $pee); // don't pee all over a tag 14 $pee = preg_replace("|<p>(<li.+?)</p>|", "$1", $pee); // problem with nested lists 15 $pee = preg_replace('|<p><blockquote([^>]*)>|i', "<blockquote$1><p>", $pee); 16 $pee = str_replace('</blockquote></p>', '</p></blockquote>', $pee); 17 $pee = preg_replace('!<p>\s*(</?(?:ul|ol|li|blockquote|p)[^>]*>)!', "$1", $pee); 18 $pee = preg_replace('!(</?(?:ul|ol|li|blockquote|p)[^>]*>)\s*</p>!', "$1", $pee); 19 if ($br) $pee = preg_replace('|(?<!<br />)\s*\n|', "<br />\n", $pee); // optionally make line breaks 20 $pee = preg_replace('!(</?(?:ul|ol|li|blockquote|p)[^>]*>)\s*<br />!', "$1", $pee); 21 $pee = preg_replace('!<br />(\s*</?(?:p|li|ul|ol)>)!', '$1', $pee); 22 if ( false !== strpos( $pee, '<pre' ) ) 23 $pee = preg_replace_callback('!(<pre.*?>)(.*?)</pre>!is', 'clean_pre', $pee ); 24 return $pee; 25 } 26 27 function bb_encodeit( $matches ) { 28 $text = trim($matches[2]); 29 $text = htmlspecialchars($text, ENT_QUOTES); 30 $text = str_replace(array("\r\n", "\r"), "\n", $text); 31 $text = preg_replace("|\n\n\n+|", "\n\n", $text); 32 $text = str_replace('&amp;', '&', $text); 33 $text = str_replace('&lt;', '<', $text); 34 $text = str_replace('&gt;', '>', $text); 35 $text = "<code>$text</code>"; 36 if ( "`" != $matches[1] ) 37 $text = "<pre>$text</pre>"; 38 return $text; 39 } 40 41 function bb_decodeit( $matches ) { 42 $text = $matches[2]; 43 $trans_table = array_flip(get_html_translation_table(HTML_ENTITIES)); 44 $text = strtr($text, $trans_table); 45 $text = str_replace('<br />', '<coded_br />', $text); 46 $text = str_replace('<p>', '<coded_p>', $text); 47 $text = str_replace('</p>', '</coded_p>', $text); 48 $text = str_replace(array('&','&'), '&', $text); 49 $text = str_replace(''', "'", $text); 50 if ( '<pre><code>' == $matches[1] ) 51 $text = "\n$text\n"; 52 return "`$text`"; 53 } 54 55 function bb_code_trick( $text ) { 56 $text = str_replace(array("\r\n", "\r"), "\n", $text); 57 $text = preg_replace_callback("|(`)(.*?)`|", 'bb_encodeit', $text); 58 $text = preg_replace_callback("!(^|\n)`(.*?)`!s", 'bb_encodeit', $text); 59 return $text; 60 } 61 62 function bb_code_trick_reverse( $text ) { 63 $text = preg_replace_callback("!(<pre><code>|<code>)(.*?)(</code></pre>|</code>)!s", 'bb_decodeit', $text); 64 $text = str_replace(array('<p>', '<br />'), '', $text); 65 $text = str_replace('</p>', "\n", $text); 66 $text = str_replace('<coded_br />', '<br />', $text); 67 $text = str_replace('<coded_p>', '<p>', $text); 68 $text = str_replace('</coded_p>', '</p>', $text); 69 return $text; 70 } 71 72 function _bb_encode_bad_empty(&$text, $key, $preg) { 73 if (strpos($text, '`') !== 0) 74 $text = preg_replace("|<($preg)\s*?/*?>|i", '<$1 />', $text); 75 } 76 77 function _bb_encode_bad_normal(&$text, $key, $preg) { 78 if (strpos($text, '`') !== 0) 79 $text = preg_replace("|<(/?$preg)>|i", '<$1>', $text); 80 } 81 82 function bb_encode_bad( $text ) { 83 $text = wp_specialchars( $text, ENT_NOQUOTES ); 84 85 $text = preg_split('@(`[^`]*`)@m', $text, -1, PREG_SPLIT_NO_EMPTY + PREG_SPLIT_DELIM_CAPTURE); 86 87 $allowed = bb_allowed_tags(); 88 $empty = array( 'br' => true, 'hr' => true, 'img' => true, 'input' => true, 'param' => true, 'area' => true, 'col' => true, 'embed' => true ); 89 90 foreach ( $allowed as $tag => $args ) { 91 $preg = $args ? "$tag(?:\s.*?)?" : $tag; 92 93 if ( isset( $empty[$tag] ) ) 94 array_walk($text, '_bb_encode_bad_empty', $preg); 95 else 96 array_walk($text, '_bb_encode_bad_normal', $preg); 97 } 98 99 return join('', $text); 100 } 101 102 function bb_filter_kses($data) { 103 $allowedtags = bb_allowed_tags(); 104 return wp_kses($data, $allowedtags); 105 } 106 107 function bb_allowed_tags() { 108 $tags = array( 109 'a' => array( 110 'href' => array(), 111 'title' => array(), 112 'rel' => array()), 113 'blockquote' => array('cite' => array()), 114 'br' => array(), 115 'code' => array(), 116 'pre' => array(), 117 'em' => array(), 118 'strong' => array(), 119 'ul' => array(), 120 'ol' => array(), 121 'li' => array() 122 ); 123 return apply_filters( 'bb_allowed_tags', $tags ); 124 } 125 126 function bb_rel_nofollow( $text ) { 127 return preg_replace_callback('|<a (.+?)>|i', 'bb_rel_nofollow_callback', $text); 128 } 129 130 function bb_rel_nofollow_callback( $matches ) { 131 $text = $matches[1]; 132 $text = str_replace(array(' rel="nofollow"', " rel='nofollow'"), '', $text); 133 return "<a $text rel=\"nofollow\">"; 134 } 135 136 // Should be able to take both escaped and unescaped data 137 function bb_trim_for_db( $string, $length ) { 138 $_string = $string; 139 if ( seems_utf8( $string ) ) { 140 $string = bb_utf8_cut( $string, $length ); 141 // if we have slashes at the end, make sure we have a reasonable number of them 142 if ( preg_match( '#[^\\\\](\\\\+)$#', $string, $matches ) ) { 143 $end = stripslashes($matches[1]); 144 $end = addslashes($end); 145 $string = trim( $string, '\\' ) . $end; 146 } 147 } 148 return apply_filters( 'bb_trim_for_db', $string, $_string, $length ); 149 } 150 151 // Reduce utf8 string to $length in single byte character equivalents without breaking multibyte characters 152 function bb_utf8_cut( $utf8_string, $length = 0 ) { 153 if ( $length < 1 ) 154 return $utf8_string; 155 156 $unicode = ''; 157 $chars = array(); 158 $num_octets = 1; 159 160 for ($i = 0; $i < strlen( $utf8_string ); $i++ ) { 161 162 $value = ord( $utf8_string[ $i ] ); 163 164 if ( 128 > $value ) { 165 if ( strlen($unicode) + 1 > $length ) 166 break; 167 $unicode .= $utf8_string[ $i ]; 168 } else { 169 if ( count( $chars ) == 0 ) 170 $num_octets = ( 224 > $value ) ? 2 : 3; 171 172 $chars[] = $utf8_string[ $i ]; 173 if ( strlen($unicode) + $num_octets > $length ) 174 break; 175 if ( count( $chars ) == $num_octets ) { 176 $unicode .= join('', $chars); 177 $chars = array(); 178 $num_octets = 1; 179 } 180 } 181 } 182 183 return $unicode; 184 } 185 186 function bb_encoded_utf8_cut( $encoded, $length = 0 ) { 187 if ( $length < 1 ) 188 return $encoded; 189 190 $r = ''; 191 $values = preg_split( '/(%[0-9a-f]{2})/i', $encoded, -1, PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY );; 192 193 for ($i = 0; $i < count( $values ); $i += $num_octets ) { 194 $num_octets = 1; 195 if ( '%' != $values[$i][0] ) { 196 $r .= $values[$i]; 197 if ( $length && strlen($r) > $length ) 198 return substr($r, 0, $length); 199 } else { 200 $value = hexdec(substr($values[$i], 1)); 201 202 if ( 1 == $num_octets ) 203 $num_octets = ( 224 > $value ) ? 2 : 3; 204 205 if ( $length && ( strlen($r) + $num_octets * 3 ) > $length ) 206 return $r; 207 208 $r .= $values[$i] . $values[$i + 1]; 209 if ( 3 == $num_octets ) 210 $r .= $values[$i + 2]; 211 } 212 } 213 214 return $r; 215 } 216 217 function bb_pre_term_slug( $slug, $taxonomy = '', $term_id = 0 ) { 218 return bb_sanitize_with_dashes( $slug, 200 ); 219 } 220 221 function bb_trim_for_db_55( $string ) { 222 return bb_trim_for_db( $string, 55 ); 223 } 224 225 function bb_trim_for_db_150( $string ) { 226 return bb_trim_for_db( $string, 150 ); 227 } 228 229 function bb_slug_sanitize( $slug, $length = 255 ) { 230 $_slug = $slug; 231 return apply_filters( 'bb_slug_sanitize', bb_sanitize_with_dashes( $slug, $length ), $_slug, $length ); 232 } 233 234 function bb_user_nicename_sanitize( $user_nicename, $length = 50 ) { 235 $_user_nicename = $user_nicename; 236 return apply_filters( 'bb_user_nicename_sanitize', bb_sanitize_with_dashes( $user_nicename, $length ), $_user_nicename, $length ); 237 } 238 239 function bb_sanitize_with_dashes( $text, $length = 0 ) { // Multibyte aware 240 $_text = $text; 241 $text = trim($text); 242 $text = strip_tags($text); 243 // Preserve escaped octets. 244 $text = preg_replace('|%([a-fA-F0-9][a-fA-F0-9])|', '---$1---', $text); 245 // Remove percent signs that are not part of an octet. 246 $text = str_replace('%', '', $text); 247 // Restore octets. 248 $text = preg_replace('|---([a-fA-F0-9][a-fA-F0-9])---|', '%$1', $text); 249 250 $text = apply_filters( 'pre_sanitize_with_dashes', $text, $_text, $length ); 251 252 $text = strtolower($text); 253 $text = preg_replace('/&(^\x80-\xff)+?;/', '', $text); // kill entities 254 $text = preg_replace('/[^%a-z0-9\x80-\xff _-]/', '', $text); 255 $text = trim($text); 256 $text = preg_replace('/\s+/', '-', $text); 257 $text = preg_replace(array('|-+|', '|_+|'), array('-', '_'), $text); // Kill the repeats 258 259 return $text; 260 } 261 262 function bb_pre_sanitize_with_dashes_utf8( $text, $_text = '', $length = 0 ) { 263 $text = remove_accents($text); 264 265 if ( seems_utf8( $text ) ) { 266 if ( function_exists('mb_strtolower') ) 267 $text = mb_strtolower($text, 'UTF-8'); 268 $text = utf8_uri_encode( $text, $length ); 269 } 270 271 return $text; 272 } 273 274 function bb_show_topic_context( $term, $text ) { 275 $text = strip_tags( $text ); 276 $term = preg_quote( $term ); 277 $text = preg_replace( "|.*?(.{0,80})$term(.{0,80}).*|is", "$1<strong>$term</strong>$2", $text, 1 ); 278 $text = substr( $text, 0, 210 ); 279 return $text; 280 } 281 282 function bb_post_text_context( $post_text ) { 283 return bb_show_context( $GLOBALS['q'], $post_text ); 284 } 285 286 function bb_show_context( $term, $text ) { 287 $text = strip_shortcodes( $text ); 288 $text = strip_tags( $text ); 289 $term = preg_quote( $term ); 290 $text = preg_replace( "|.*?(.{0,80})$term(.{0,80}).*|is", "... $1<strong>$term</strong>$2 ...", $text, 1 ); 291 $text = substr( $text, 0, 210 ); 292 return $text; 293 } 294 295 function bb_fix_link( $link ) { 296 if ( false === strpos($link, '.') ) // these are usually random words 297 return ''; 298 $link = wp_kses_no_null( $link ); 299 return esc_url( $link ); 300 } 301 302 function bb_sticky_label( $label ) { 303 global $topic; 304 if (bb_is_front()) { 305 if ( '2' === $topic->topic_sticky ) { 306 return sprintf(__('[sticky] %s'), $label); 307 } 308 } else { 309 if ( '1' === $topic->topic_sticky || '2' === $topic->topic_sticky ) { 310 return sprintf(__('[sticky] %s'), $label); 311 } 312 } 313 return $label; 314 } 315 316 function bb_closed_label( $label ) { 317 global $topic; 318 if ( '0' === $topic->topic_open ) 319 return sprintf(__('[closed] %s'), $label); 320 return $label; 321 } 322 323 function bb_make_link_view_all( $link ) { 324 return esc_html( add_query_arg( 'view', 'all', $link ) ); 325 } 326 327 function bb_gmtstrtotime( $string ) { 328 if ( is_numeric($string) ) 329 return $string; 330 if ( !is_string($string) ) 331 return -1; 332 333 if ( stristr($string, 'utc') || stristr($string, 'gmt') || stristr($string, '+0000') ) 334 return strtotime($string); 335 336 if ( -1 == $time = strtotime($string . ' +0000') ) 337 return strtotime($string); 338 339 return $time; 340 } 341 342 /** 343 * Converts a number of characters from a string. 344 * 345 * Metadata tags <<title>> and <<category>> are removed, <<br>> and <<hr>> are 346 * converted into correct XHTML and Unicode characters are converted to the 347 * valid range. 348 * 349 * @param string $content String of characters to be converted. 350 * 351 * @return string Converted string. 352 */ 353 function bb_convert_chars( $content ) { 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 }
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| Generated: Thu Dec 7 01:01:35 2017 | Cross-referenced by PHPXref 0.7.1 |