Revision 1289
Added by kweitzel almost 15 years ago
search_modext.php | ||
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<?php |
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// $Id$ |
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/* |
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Website Baker Project <http://www.websitebaker.org/> |
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Copyright (C) 2004-2009, Ryan Djurovich |
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Website Baker is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 2 of the License, or |
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(at your option) any later version. |
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Website Baker is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with Website Baker; if not, write to the Free Software |
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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*/ |
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// make the url-string for highlighting |
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function make_url_searchstring($search_match, $search_url_array) { |
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$link = ""; |
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if ($search_match != 'exact') { |
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$str = implode(" ", $search_url_array); |
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$link = "?searchresult=1&sstring=".urlencode($str); |
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} else { |
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$str = str_replace(' ', '_', $search_url_array[0]); |
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$link = "?searchresult=2&sstring=".urlencode($str); |
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} |
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return $link; |
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} |
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// make date and time for "last modified by... on ..."-string |
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function get_page_modified($page_modified_when) { |
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global $TEXT; |
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if($page_modified_when > 0) { |
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$date = gmdate(DATE_FORMAT, $page_modified_when+TIMEZONE); |
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$time = gmdate(TIME_FORMAT, $page_modified_when+TIMEZONE); |
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} else { |
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$date = $TEXT['UNKNOWN'].' '.$TEXT['DATE']; |
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$time = $TEXT['UNKNOWN'].' '.$TEXT['TIME']; |
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} |
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return array($date, $time); |
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} |
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// make username and displayname for "last modified by... on ..."-string |
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function get_page_modified_by($page_modified_by, $users) { |
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global $TEXT; |
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if($page_modified_by > 0) { |
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$username = $users[$page_modified_by]['username']; |
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$displayname = $users[$page_modified_by]['display_name']; |
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} else { |
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$username = ""; |
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$displayname = $TEXT['UNKNOWN']; |
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} |
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return array($username, $displayname); |
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} |
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// checks if _all_ searchwords matches |
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function is_all_matched($text, $search_words) { |
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$all_matched = true; |
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foreach ($search_words AS $word) { |
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if(!preg_match('/'.$word.'/ui', $text)) { |
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$all_matched = false; |
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break; |
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} |
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} |
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return $all_matched; |
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} |
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// checks if _any_ of the searchwords matches |
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function is_any_matched($text, $search_words) { |
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$any_matched = false; |
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$word = '('.implode('|', $search_words).')'; |
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if(preg_match('/'.$word.'/ui', $text)) { |
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$any_matched = true; |
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} |
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return $any_matched; |
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} |
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// collects the matches from text in excerpt_array |
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function get_excerpts($text, $search_words, $max_excerpt_num) { |
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$match_array = array(); |
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$excerpt_array = array(); |
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$word = '('.implode('|', $search_words).')'; |
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//Filter droplets from the page data |
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preg_match_all('~\[\[(.*?)\]\]~', $text, $matches); |
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foreach ($matches[1] as $match) { |
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$text = str_replace('[['.$match.']]', '', $text); |
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} |
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// Build the regex-string |
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if(strpos(strtoupper(PHP_OS), 'WIN')===0) { // windows -> see below |
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$str1=".!?;"; |
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$str2=".!?;"; |
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} else { // linux & Co. |
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// start-sign: .!?; + INVERTED EXCLAMATION MARK - INVERTED QUESTION MARK - DOUBLE EXCLAMATION MARK - INTERROBANG - EXCLAMATION QUESTION MARK - QUESTION EXCLAMATION MARK - DOUBLE QUESTION MARK - HALFWIDTH IDEOGRAPHIC FULL STOP - IDEOGRAPHIC FULL STOP - IDEOGRAPHIC COMMA |
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$str1=".!?;"."\xC2\xA1"."\xC2\xBF"."\xE2\x80\xBC"."\xE2\x80\xBD"."\xE2\x81\x89"."\xE2\x81\x88"."\xE2\x81\x87"."\xEF\xBD\xA1"."\xE3\x80\x82"."\xE3\x80\x81"; |
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// stop-sign: .!?; + DOUBLE EXCLAMATION MARK - INTERROBANG - EXCLAMATION QUESTION MARK - QUESTION EXCLAMATION MARK - DOUBLE QUESTION MARK - HALFWIDTH IDEOGRAPHIC FULL STOP - IDEOGRAPHIC FULL STOP - IDEOGRAPHIC COMMA |
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$str2=".!?;"."\xE2\x80\xBC"."\xE2\x80\xBD"."\xE2\x81\x89"."\xE2\x81\x88"."\xE2\x81\x87"."\xEF\xBD\xA1"."\xE3\x80\x82"."\xE3\x80\x81"; |
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} |
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$regex='/(?:^|\b|['.$str1.'])([^'.$str1.']{0,200}?'.$word.'[^'.$str2.']{0,200}(?:['.$str2.']|\b|$))/uis'; |
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if(version_compare(PHP_VERSION, '4.3.3', '>=') && |
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strpos(strtoupper(PHP_OS), 'WIN')!==0 |
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) { // this may crash windows server, so skip if on windows |
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// jump from match to match, get excerpt, stop if $max_excerpt_num is reached |
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$last_end = 0; $offset = 0; |
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while(preg_match('/'.$word.'/uis', $text, $match_array, PREG_OFFSET_CAPTURE, $last_end)) { |
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$offset = ($match_array[0][1]-206 < $last_end)?$last_end:$match_array[0][1]-206; |
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if(preg_match($regex, $text, $matches, PREG_OFFSET_CAPTURE, $offset)) { |
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$last_end = $matches[1][1]+strlen($matches[1][0])-1; |
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if(!preg_match('/\b[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\./', $matches[1][0])) // skip excerpts with email-addresses |
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$excerpt_array[] = trim($matches[1][0]); |
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if(count($excerpt_array)>=$max_excerpt_num) { |
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$excerpt_array = array_unique($excerpt_array); |
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if(count($excerpt_array) >= $max_excerpt_num) |
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break; |
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} |
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} else { // problem: preg_match failed - can't find a start- or stop-sign |
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$last_end += 201; // jump forward and try again |
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} |
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} |
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} else { // compatible, but may be very slow with large pages |
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if(preg_match_all($regex, $text, $match_array)) { |
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foreach($match_array[1] AS $string) { |
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if(!preg_match('/\b[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\./', $string)) // skip excerpts with email-addresses |
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$excerpt_array[] = trim($string); |
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} |
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} |
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} |
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return $excerpt_array; |
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} |
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// makes excerpt_array a string ready to print out |
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function prepare_excerpts($excerpt_array, $search_words, $max_excerpt_num) { |
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// excerpts: text before and after a single excerpt, html-tag for markup |
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$EXCERPT_BEFORE = '... '; |
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$EXCERPT_AFTER = ' ...<br />'; |
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$EXCERPT_MARKUP_START = '<b>'; |
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$EXCERPT_MARKUP_END = '</b>'; |
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// remove duplicate matches from $excerpt_array, if any. |
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$excerpt_array = array_unique($excerpt_array); |
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// use the first $max_excerpt_num excerpts only |
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if(count($excerpt_array) > $max_excerpt_num) { |
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$excerpt_array = array_slice($excerpt_array, 0, $max_excerpt_num); |
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} |
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// prepare search-string |
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$string = "(".implode("|", $search_words).")"; |
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// we want markup on search-results page, |
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// but we need some 'magic' to prevent <br />, <b>... from being highlighted |
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$excerpt = ''; |
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foreach($excerpt_array as $str) { |
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$excerpt .= '#,,#'.preg_replace("/($string)/iu","#,,,,#$1#,,,,,#",$str).'#,,,#'; |
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} |
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$excerpt = str_replace(array('&','<','>','"','\'',"\xC2\xA0"), array('&','<','>','"',''',' '), $excerpt); |
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$excerpt = str_replace(array('#,,,,#','#,,,,,#'), array($EXCERPT_MARKUP_START,$EXCERPT_MARKUP_END), $excerpt); |
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$excerpt = str_replace(array('#,,#','#,,,#'), array($EXCERPT_BEFORE,$EXCERPT_AFTER), $excerpt); |
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// prepare to write out |
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if(DEFAULT_CHARSET != 'utf-8') { |
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$excerpt = umlauts_to_entities($excerpt, 'UTF-8'); |
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} |
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return $excerpt; |
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} |
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// work out what the link-anchor should be |
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function make_url_target($page_link_target, $text, $search_words) { |
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// 1. e.g. $page_link_target=="&monthno=5&year=2007" - module-dependent target. Do nothing. |
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// 2. $page_link_target=="#!wb_section_..." - the user wants the section-target, so do nothing. |
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// 3. $page_link_target=="#wb_section_..." - try to find a better target, use the section-target as fallback. |
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// 4. $page_link_target=="" - do nothing |
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if(version_compare(PHP_VERSION, '4.3.3', ">=") && substr($page_link_target,0,12)=='#wb_section_') { |
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$word = '('.implode('|', $search_words).')'; |
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preg_match('/'.$word.'/ui', $text, $match, PREG_OFFSET_CAPTURE); |
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if($match && is_array($match[0])) { |
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$x=$match[0][1]; // position of first match |
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// is there an anchor nearby? |
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if(preg_match_all('/<(?:[^>]+id|\s*a[^>]+name)\s*=\s*"(.*)"/iU', substr($text,0,$x), $match, PREG_OFFSET_CAPTURE)) { |
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$anchor=''; |
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foreach($match[1] AS $array) { |
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if($array[1] > $x) { |
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break; |
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} |
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$anchor = $array[0]; |
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} |
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if($anchor != '') { |
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$page_link_target = '#'.$anchor; |
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} |
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} |
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} |
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} |
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elseif(substr($page_link_target,0,13)=='#!wb_section_') { |
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$page_link_target = '#'.substr($page_link_target, 2); |
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} |
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// since wb 2.7.1 the section-anchor is configurable - SEC_ANCHOR holds the anchor name |
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if(substr($page_link_target,0,12)=='#wb_section_') { |
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if(defined('SEC_ANCHOR') && SEC_ANCHOR!='') { |
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$sec_id = substr($page_link_target, 12); |
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$page_link_target = '#'.SEC_ANCHOR.$sec_id; |
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} else { // section-anchors are disabled |
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$page_link_target = ''; |
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} |
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} |
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return $page_link_target; |
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} |
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// wrapper for compatibility with old print_excerpt() |
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function print_excerpt($page_link, $page_link_target, $page_title, $page_description, $page_modified_when, $page_modified_by, $text, $max_excerpt_num, $func_vars, $pic_link="") { |
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$mod_vars = array( |
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'page_link' => $page_link, |
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'page_link_target' => $page_link_target, |
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'page_title' => $page_title, |
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'page_description' => $page_description, |
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'page_modified_when' => $page_modified_when, |
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'page_modified_by' => $page_modified_by, |
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'text' => $text, |
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'max_excerpt_num' => $max_excerpt_num, |
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'pic_link' => $pic_link |
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); |
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print_excerpt2($mod_vars, $func_vars); |
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} |
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/* These functions can be used in module-supplied search_funcs |
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* ----------------------------------------------------------- |
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* print_excerpt2() - the main-function to use in all search_funcs |
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* print_excerpt() - wrapper for compatibility-reason. Use print_excerpt2() instead. |
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* list_files_dirs() - lists all files and dirs below a given directory |
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* clear_filelist() - keeps only wanted or removes unwanted entries in file-list. |
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*/ |
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// prints the excerpts for one section |
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function print_excerpt2($mod_vars, $func_vars) { |
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extract($func_vars, EXTR_PREFIX_ALL, 'func'); |
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extract($mod_vars, EXTR_PREFIX_ALL, 'mod'); |
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global $TEXT; |
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// check $mod_...vars |
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if(!isset($mod_page_link)) $mod_page_link = $func_page_link; |
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if(!isset($mod_page_link_target)) $mod_page_link_target = ""; |
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if(!isset($mod_page_title)) $mod_page_title = $func_page_title; |
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if(!isset($mod_page_description)) $mod_page_description = $func_page_description; |
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if(!isset($mod_page_modified_when)) $mod_page_modified_when = $func_page_modified_when; |
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if(!isset($mod_page_modified_by)) $mod_page_modified_by = $func_page_modified_by; |
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if(!isset($mod_text)) $mod_text = ""; |
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if(!isset($mod_max_excerpt_num)) $mod_max_excerpt_num = $func_default_max_excerpt; |
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if(!isset($mod_pic_link)) $mod_pic_link = ""; |
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if(!isset($mod_no_highlight)) $mod_no_highlight = false; |
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if(!isset($func_enable_flush)) $func_enable_flush = false; // set this in db: wb_search.cfg_enable_flush [READ THE DOC BEFORE] |
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if(isset($mod_ext_charset)) $mod_ext_charset = strtolower($mod_ext_charset); |
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else $mod_ext_charset = ''; |
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if($mod_text == "") // nothing to do |
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{ return false; } |
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|
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if($mod_no_highlight) // no highlighting |
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{ $mod_page_link_target = "&nohighlight=1".$mod_page_link_target; } |
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// clean the text: |
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$mod_text = preg_replace('#<(!--.*--|style.*</style|script.*</script)>#iU', ' ', $mod_text); |
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$mod_text = preg_replace('#<(br( /)?|dt|/dd|/?(h[1-6]|tr|table|p|li|ul|pre|code|div|hr))[^>]*>#i', '.', $mod_text); |
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$mod_text = preg_replace('/(\v\s?|\s\s)+/', ' ', $mod_text); |
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$mod_text = preg_replace('/\s\./', '.', $mod_text); |
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if($mod_ext_charset!='') { // data from external database may have a different charset |
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require_once(WB_PATH.'/framework/functions-utf8.php'); |
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switch($mod_ext_charset) { |
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case 'latin1': |
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case 'cp1252': |
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$mod_text = charset_to_utf8($mod_text, 'CP1252'); |
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break; |
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case 'cp1251': |
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$mod_text = charset_to_utf8($mod_text, 'CP1251'); |
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break; |
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case 'latin2': |
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$mod_text = charset_to_utf8($mod_text, 'ISO-8859-2'); |
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break; |
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case 'hebrew': |
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$mod_text = charset_to_utf8($mod_text, 'ISO-8859-8'); |
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break; |
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case 'greek': |
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$mod_text = charset_to_utf8($mod_text, 'ISO-8859-7'); |
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break; |
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case 'latin5': |
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$mod_text = charset_to_utf8($mod_text, 'ISO-8859-9'); |
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break; |
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case 'latin7': |
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$mod_text = charset_to_utf8($mod_text, 'ISO-8859-13'); |
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break; |
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case 'utf8': |
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default: |
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$mod_text = charset_to_utf8($mod_text, 'UTF-8'); |
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} |
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} else { |
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$mod_text = entities_to_umlauts($mod_text, 'UTF-8'); |
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} |
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$anchor_text = $mod_text; // make an copy containing html-tags |
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$mod_text = strip_tags($mod_text); |
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$mod_text = str_replace(array('>','<','&','"',''',''',' '), array('>','<','&','"','\'','\'',"\xC2\xA0"), $mod_text); |
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$mod_text = '.'.trim($mod_text).'.'; |
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// Do a fast scan over $mod_text first. This will speedup things a lot. |
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if($func_search_match == 'all') { |
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if(!is_all_matched($mod_text, $func_search_words)) |
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return false; |
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} |
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elseif(!is_any_matched($mod_text, $func_search_words)) { |
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return false; |
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} |
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// search for an better anchor - this have to be done before strip_tags() (may fail if search-string contains <, &, amp, gt, lt, ...) |
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$anchor = make_url_target($mod_page_link_target, $anchor_text, $func_search_words); |
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|
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// make the link from $mod_page_link, add anchor |
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$link = ""; |
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$link = page_link($mod_page_link); |
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if(strpos($mod_page_link, 'http:')===FALSE) |
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$link .= make_url_searchstring($func_search_match, $func_search_url_array); |
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$link .= $anchor; |
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|
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// now get the excerpt |
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$excerpt = ""; |
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$excerpt_array = array(); |
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if($mod_max_excerpt_num > 0) { |
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if(!$excerpt_array = get_excerpts($mod_text, $func_search_words, $mod_max_excerpt_num)) { |
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return false; |
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} |
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$excerpt = prepare_excerpts($excerpt_array, $func_search_words, $mod_max_excerpt_num); |
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} |
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|
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// handle thumbs - to deactivate this look in the module's search.php: $show_thumb (or maybe in the module's settings-page) |
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if($mod_pic_link != "") { |
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$excerpt = '<table class="excerpt_thumb" width="100%" cellspacing="0" cellpadding="0" border="0"><tbody><tr><td width="110" valign="top"><a href="'.$link.'"><img src="'.WB_URL.'/'.MEDIA_DIRECTORY.$mod_pic_link.'" alt="" /></a></td><td>'.$excerpt.'</td></tr></tbody></table>'; |
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} |
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|
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// print-out the excerpt |
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$vars = array(); |
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$values = array(); |
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list($date, $time) = get_page_modified($mod_page_modified_when); |
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list($username, $displayname) = get_page_modified_by($mod_page_modified_by, $func_users); |
|
344 |
$vars = array('[LINK]', '[TITLE]', '[DESCRIPTION]', '[USERNAME]','[DISPLAY_NAME]','[DATE]','[TIME]','[TEXT_LAST_UPDATED_BY]','[TEXT_ON]','[EXCERPT]'); |
|
345 |
$values = array( |
|
346 |
$link, |
|
347 |
$mod_page_title, |
|
348 |
$mod_page_description, |
|
349 |
$username, |
|
350 |
$displayname, |
|
351 |
$date, |
|
352 |
$time, |
|
353 |
$TEXT['LAST_UPDATED_BY'], |
|
354 |
$TEXT['ON'], |
|
355 |
$excerpt |
|
356 |
); |
|
357 |
echo str_replace($vars, $values, $func_results_loop_string); |
|
358 |
if($func_enable_flush) { // ATTN: this will bypass output-filters and may break template-layout or -filters |
|
359 |
ob_flush();flush(); |
|
360 |
} |
|
361 |
return true; |
|
362 |
} |
|
363 |
|
|
364 |
// list all files and dirs in $dir (recursive), omits '.', '..', and hidden files/dirs |
|
365 |
// returns an array of two arrays ($files[] and $dirs[]). |
|
366 |
// usage: list($files,$dirs) = list_files_dirs($directory); |
|
367 |
// $depth: get subdirs (true/false) |
|
368 |
function list_files_dirs($dir, $depth=true, $files=array(), $dirs=array()) { |
|
369 |
$dh=opendir($dir); |
|
370 |
while(($file = readdir($dh)) !== false) { |
|
371 |
if($file{0} == '.' || $file == '..') { |
|
372 |
continue; |
|
373 |
} |
|
374 |
if(is_dir($dir.'/'.$file)) { |
|
375 |
if($depth) { |
|
376 |
$dirs[] = $dir.'/'.$file; |
|
377 |
list($files, $dirs) = list_files_dirs($dir.'/'.$file, $depth, $files, $dirs); |
|
378 |
} |
|
379 |
} else { |
|
380 |
$files[] = $dir.'/'.$file; |
|
381 |
} |
|
382 |
} |
|
383 |
closedir($dh); |
|
384 |
natcasesort($files); |
|
385 |
natcasesort($dirs); |
|
386 |
return(array($files, $dirs)); |
|
387 |
} |
|
388 |
|
|
389 |
// keeps only wanted entries in array $files. $str have to be an eregi()-compatible regex |
|
390 |
function clear_filelist($files, $str, $keep=true) { |
|
391 |
// options: $keep = true : remove all non-matching entries |
|
392 |
// $keep = false : remove all matching entries |
|
393 |
$c_filelist = array(); |
|
394 |
if($str == '') |
|
395 |
return $files; |
|
396 |
foreach($files as $file) { |
|
397 |
if($keep) { |
|
398 |
if(eregi($str, $file)) { |
|
399 |
$c_filelist[] = $file; |
|
400 |
} |
|
401 |
} else { |
|
402 |
if(!eregi($str, $file)) { |
|
403 |
$c_filelist[] = $file; |
|
404 |
} |
|
405 |
} |
|
406 |
} |
|
407 |
return($c_filelist); |
|
408 |
} |
|
409 |
|
|
410 |
?> |
|
1 |
<?php |
|
2 |
/** |
|
3 |
* |
|
4 |
* @category frontend |
|
5 |
* @package search |
|
6 |
* @author WebsiteBaker Project |
|
7 |
* @copyright 2004-2009, Ryan Djurovich |
|
8 |
* @copyright 2009-2010, Website Baker Org. e.V. |
|
9 |
* @link http://www.websitebaker2.org/ |
|
10 |
* @license http://www.gnu.org/licenses/gpl.html |
|
11 |
* @platform WebsiteBaker 2.8.x |
|
12 |
* @requirements PHP 4.3.4 and higher |
|
13 |
* @version $Id$ |
|
14 |
* @filesource $HeadURL$ |
|
15 |
* @lastmodified $Date$ |
|
16 |
* |
|
17 |
*/ |
|
18 |
|
|
19 |
// make the url-string for highlighting |
|
20 |
function make_url_searchstring($search_match, $search_url_array) { |
|
21 |
$link = ""; |
|
22 |
if ($search_match != 'exact') { |
|
23 |
$str = implode(" ", $search_url_array); |
|
24 |
$link = "?searchresult=1&sstring=".urlencode($str); |
|
25 |
} else { |
|
26 |
$str = str_replace(' ', '_', $search_url_array[0]); |
|
27 |
$link = "?searchresult=2&sstring=".urlencode($str); |
|
28 |
} |
|
29 |
return $link; |
|
30 |
} |
|
31 |
|
|
32 |
// make date and time for "last modified by... on ..."-string |
|
33 |
function get_page_modified($page_modified_when) { |
|
34 |
global $TEXT; |
|
35 |
if($page_modified_when > 0) { |
|
36 |
$date = gmdate(DATE_FORMAT, $page_modified_when+TIMEZONE); |
|
37 |
$time = gmdate(TIME_FORMAT, $page_modified_when+TIMEZONE); |
|
38 |
} else { |
|
39 |
$date = $TEXT['UNKNOWN'].' '.$TEXT['DATE']; |
|
40 |
$time = $TEXT['UNKNOWN'].' '.$TEXT['TIME']; |
|
41 |
} |
|
42 |
return array($date, $time); |
|
43 |
} |
|
44 |
|
|
45 |
// make username and displayname for "last modified by... on ..."-string |
|
46 |
function get_page_modified_by($page_modified_by, $users) { |
|
47 |
global $TEXT; |
|
48 |
// check for existing user-id |
|
49 |
if(!isset($users[$page_modified_by])) |
|
50 |
$page_modified_by = 0; |
|
51 |
|
|
52 |
$username = $users[$page_modified_by]['username']; |
|
53 |
$displayname = $users[$page_modified_by]['display_name']; |
|
54 |
return array($username, $displayname); |
|
55 |
} |
|
56 |
|
|
57 |
// checks if _all_ searchwords matches |
|
58 |
function is_all_matched($text, $search_words) { |
|
59 |
$all_matched = true; |
|
60 |
foreach ($search_words AS $word) { |
|
61 |
if(!preg_match('/'.$word.'/ui', $text)) { |
|
62 |
$all_matched = false; |
|
63 |
break; |
|
64 |
} |
|
65 |
} |
|
66 |
return $all_matched; |
|
67 |
} |
|
68 |
|
|
69 |
// checks if _any_ of the searchwords matches |
|
70 |
function is_any_matched($text, $search_words) { |
|
71 |
$any_matched = false; |
|
72 |
$word = '('.implode('|', $search_words).')'; |
|
73 |
if(preg_match('/'.$word.'/ui', $text)) { |
|
74 |
$any_matched = true; |
|
75 |
} |
|
76 |
return $any_matched; |
|
77 |
} |
|
78 |
|
|
79 |
// collects the matches from text in excerpt_array |
|
80 |
function get_excerpts($text, $search_words, $max_excerpt_num) { |
|
81 |
$match_array = array(); |
|
82 |
$excerpt_array = array(); |
|
83 |
$word = '('.implode('|', $search_words).')'; |
|
84 |
|
|
85 |
//Filter droplets from the page data |
|
86 |
preg_match_all('~\[\[(.*?)\]\]~', $text, $matches); |
|
87 |
foreach ($matches[1] as $match) { |
|
88 |
$text = str_replace('[['.$match.']]', '', $text); |
|
89 |
} |
|
90 |
|
|
91 |
// Build the regex-string |
|
92 |
if(strpos(strtoupper(PHP_OS), 'WIN')===0) { // windows -> see below |
|
93 |
$str1=".!?;"; |
|
94 |
$str2=".!?;"; |
|
95 |
} else { // linux & Co. |
|
96 |
// start-sign: .!?; + INVERTED EXCLAMATION MARK - INVERTED QUESTION MARK - DOUBLE EXCLAMATION MARK - INTERROBANG - EXCLAMATION QUESTION MARK - QUESTION EXCLAMATION MARK - DOUBLE QUESTION MARK - HALFWIDTH IDEOGRAPHIC FULL STOP - IDEOGRAPHIC FULL STOP - IDEOGRAPHIC COMMA |
|
97 |
$str1=".!?;"."\xC2\xA1"."\xC2\xBF"."\xE2\x80\xBC"."\xE2\x80\xBD"."\xE2\x81\x89"."\xE2\x81\x88"."\xE2\x81\x87"."\xEF\xBD\xA1"."\xE3\x80\x82"."\xE3\x80\x81"; |
|
98 |
// stop-sign: .!?; + DOUBLE EXCLAMATION MARK - INTERROBANG - EXCLAMATION QUESTION MARK - QUESTION EXCLAMATION MARK - DOUBLE QUESTION MARK - HALFWIDTH IDEOGRAPHIC FULL STOP - IDEOGRAPHIC FULL STOP - IDEOGRAPHIC COMMA |
|
99 |
$str2=".!?;"."\xE2\x80\xBC"."\xE2\x80\xBD"."\xE2\x81\x89"."\xE2\x81\x88"."\xE2\x81\x87"."\xEF\xBD\xA1"."\xE3\x80\x82"."\xE3\x80\x81"; |
|
100 |
} |
|
101 |
$regex='/(?:^|\b|['.$str1.'])([^'.$str1.']{0,200}?'.$word.'[^'.$str2.']{0,200}(?:['.$str2.']|\b|$))/uis'; |
|
102 |
if(version_compare(PHP_VERSION, '4.3.3', '>=') && |
|
103 |
strpos(strtoupper(PHP_OS), 'WIN')!==0 |
|
104 |
) { // this may crash windows server, so skip if on windows |
|
105 |
// jump from match to match, get excerpt, stop if $max_excerpt_num is reached |
|
106 |
$last_end = 0; $offset = 0; |
|
107 |
while(preg_match('/'.$word.'/uis', $text, $match_array, PREG_OFFSET_CAPTURE, $last_end)) { |
|
108 |
$offset = ($match_array[0][1]-206 < $last_end)?$last_end:$match_array[0][1]-206; |
|
109 |
if(preg_match($regex, $text, $matches, PREG_OFFSET_CAPTURE, $offset)) { |
|
110 |
$last_end = $matches[1][1]+strlen($matches[1][0])-1; |
|
111 |
if(!preg_match('/\b[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\./', $matches[1][0])) // skip excerpts with email-addresses |
|
112 |
$excerpt_array[] = trim($matches[1][0]); |
|
113 |
if(count($excerpt_array)>=$max_excerpt_num) { |
|
114 |
$excerpt_array = array_unique($excerpt_array); |
|
115 |
if(count($excerpt_array) >= $max_excerpt_num) |
|
116 |
break; |
|
117 |
} |
|
118 |
} else { // problem: preg_match failed - can't find a start- or stop-sign |
|
119 |
$last_end += 201; // jump forward and try again |
|
120 |
} |
|
121 |
} |
|
122 |
} else { // compatible, but may be very slow with large pages |
|
123 |
if(preg_match_all($regex, $text, $match_array)) { |
|
124 |
foreach($match_array[1] AS $string) { |
|
125 |
if(!preg_match('/\b[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\./', $string)) // skip excerpts with email-addresses |
|
126 |
$excerpt_array[] = trim($string); |
|
127 |
|
|
128 |
} |
|
129 |
} |
|
130 |
} |
|
131 |
return $excerpt_array; |
|
132 |
} |
|
133 |
|
|
134 |
// makes excerpt_array a string ready to print out |
|
135 |
function prepare_excerpts($excerpt_array, $search_words, $max_excerpt_num) { |
|
136 |
// excerpts: text before and after a single excerpt, html-tag for markup |
|
137 |
$EXCERPT_BEFORE = '... '; |
|
138 |
$EXCERPT_AFTER = ' ...<br />'; |
|
139 |
$EXCERPT_MARKUP_START = '<b>'; |
|
140 |
$EXCERPT_MARKUP_END = '</b>'; |
|
141 |
// remove duplicate matches from $excerpt_array, if any. |
|
142 |
$excerpt_array = array_unique($excerpt_array); |
|
143 |
// use the first $max_excerpt_num excerpts only |
|
144 |
if(count($excerpt_array) > $max_excerpt_num) { |
|
145 |
$excerpt_array = array_slice($excerpt_array, 0, $max_excerpt_num); |
|
146 |
} |
|
147 |
// prepare search-string |
|
148 |
$string = "(".implode("|", $search_words).")"; |
|
149 |
// we want markup on search-results page, |
|
150 |
// but we need some 'magic' to prevent <br />, <b>... from being highlighted |
|
151 |
$excerpt = ''; |
|
152 |
foreach($excerpt_array as $str) { |
|
153 |
$excerpt .= '#,,#'.preg_replace("/($string)/iu","#,,,,#$1#,,,,,#",$str).'#,,,#'; |
|
154 |
} |
|
155 |
$excerpt = str_replace(array('&','<','>','"','\'',"\xC2\xA0"), array('&','<','>','"',''',' '), $excerpt); |
|
156 |
$excerpt = str_replace(array('#,,,,#','#,,,,,#'), array($EXCERPT_MARKUP_START,$EXCERPT_MARKUP_END), $excerpt); |
|
157 |
$excerpt = str_replace(array('#,,#','#,,,#'), array($EXCERPT_BEFORE,$EXCERPT_AFTER), $excerpt); |
|
158 |
// prepare to write out |
|
159 |
if(DEFAULT_CHARSET != 'utf-8') { |
|
160 |
$excerpt = umlauts_to_entities($excerpt, 'UTF-8'); |
|
161 |
} |
|
162 |
return $excerpt; |
|
163 |
} |
|
164 |
|
|
165 |
// work out what the link-anchor should be |
|
166 |
function make_url_target($page_link_target, $text, $search_words) { |
|
167 |
// 1. e.g. $page_link_target=="&monthno=5&year=2007" - module-dependent target. Do nothing. |
|
168 |
// 2. $page_link_target=="#!wb_section_..." - the user wants the section-target, so do nothing. |
|
169 |
// 3. $page_link_target=="#wb_section_..." - try to find a better target, use the section-target as fallback. |
|
170 |
// 4. $page_link_target=="" - do nothing |
|
171 |
if(version_compare(PHP_VERSION, '4.3.3', ">=") && substr($page_link_target,0,12)=='#wb_section_') { |
|
172 |
$word = '('.implode('|', $search_words).')'; |
|
173 |
preg_match('/'.$word.'/ui', $text, $match, PREG_OFFSET_CAPTURE); |
|
174 |
if($match && is_array($match[0])) { |
|
175 |
$x=$match[0][1]; // position of first match |
|
176 |
// is there an anchor nearby? |
|
177 |
if(preg_match_all('/<(?:[^>]+id|\s*a[^>]+name)\s*=\s*"(.*)"/iU', substr($text,0,$x), $match, PREG_OFFSET_CAPTURE)) { |
|
178 |
$anchor=''; |
|
179 |
foreach($match[1] AS $array) { |
|
180 |
if($array[1] > $x) { |
|
181 |
break; |
|
182 |
} |
|
183 |
$anchor = $array[0]; |
|
184 |
} |
|
185 |
if($anchor != '') { |
|
186 |
$page_link_target = '#'.$anchor; |
|
187 |
} |
|
188 |
} |
|
189 |
} |
|
190 |
} |
|
191 |
elseif(substr($page_link_target,0,13)=='#!wb_section_') { |
|
192 |
$page_link_target = '#'.substr($page_link_target, 2); |
|
193 |
} |
|
194 |
|
|
195 |
// since wb 2.7.1 the section-anchor is configurable - SEC_ANCHOR holds the anchor name |
|
196 |
if(substr($page_link_target,0,12)=='#wb_section_') { |
|
197 |
if(defined('SEC_ANCHOR') && SEC_ANCHOR!='') { |
|
198 |
$sec_id = substr($page_link_target, 12); |
|
199 |
$page_link_target = '#'.SEC_ANCHOR.$sec_id; |
|
200 |
} else { // section-anchors are disabled |
|
201 |
$page_link_target = ''; |
|
202 |
} |
|
203 |
} |
|
204 |
|
|
205 |
return $page_link_target; |
|
206 |
} |
|
207 |
|
|
208 |
// wrapper for compatibility with old print_excerpt() |
|
209 |
function print_excerpt($page_link, $page_link_target, $page_title, $page_description, $page_modified_when, $page_modified_by, $text, $max_excerpt_num, $func_vars, $pic_link="") { |
|
210 |
$mod_vars = array( |
|
211 |
'page_link' => $page_link, |
|
212 |
'page_link_target' => $page_link_target, |
|
213 |
'page_title' => $page_title, |
|
214 |
'page_description' => $page_description, |
|
215 |
'page_modified_when' => $page_modified_when, |
|
216 |
'page_modified_by' => $page_modified_by, |
|
217 |
'text' => $text, |
|
218 |
'max_excerpt_num' => $max_excerpt_num, |
|
219 |
'pic_link' => $pic_link |
|
220 |
); |
|
221 |
print_excerpt2($mod_vars, $func_vars); |
|
222 |
} |
|
223 |
|
|
224 |
/* These functions can be used in module-supplied search_funcs |
|
225 |
* ----------------------------------------------------------- |
|
226 |
* print_excerpt2() - the main-function to use in all search_funcs |
|
227 |
* print_excerpt() - wrapper for compatibility-reason. Use print_excerpt2() instead. |
|
228 |
* list_files_dirs() - lists all files and dirs below a given directory |
|
229 |
* clear_filelist() - keeps only wanted or removes unwanted entries in file-list. |
|
230 |
*/ |
|
231 |
|
|
232 |
// prints the excerpts for one section |
|
233 |
function print_excerpt2($mod_vars, $func_vars) { |
|
234 |
extract($func_vars, EXTR_PREFIX_ALL, 'func'); |
|
235 |
extract($mod_vars, EXTR_PREFIX_ALL, 'mod'); |
|
236 |
global $TEXT; |
|
237 |
// check $mod_...vars |
|
238 |
if(!isset($mod_page_link)) $mod_page_link = $func_page_link; |
|
239 |
if(!isset($mod_page_link_target)) $mod_page_link_target = ""; |
|
240 |
if(!isset($mod_page_title)) $mod_page_title = $func_page_title; |
|
241 |
if(!isset($mod_page_description)) $mod_page_description = $func_page_description; |
|
242 |
if(!isset($mod_page_modified_when)) $mod_page_modified_when = $func_page_modified_when; |
|
243 |
if(!isset($mod_page_modified_by)) $mod_page_modified_by = $func_page_modified_by; |
|
244 |
if(!isset($mod_text)) $mod_text = ""; |
|
245 |
if(!isset($mod_max_excerpt_num)) $mod_max_excerpt_num = $func_default_max_excerpt; |
|
246 |
if(!isset($mod_pic_link)) $mod_pic_link = ""; |
|
247 |
if(!isset($mod_no_highlight)) $mod_no_highlight = false; |
|
248 |
if(!isset($func_enable_flush)) $func_enable_flush = false; // set this in db: wb_search.cfg_enable_flush [READ THE DOC BEFORE] |
|
249 |
if(isset($mod_ext_charset)) $mod_ext_charset = strtolower($mod_ext_charset); |
|
250 |
else $mod_ext_charset = ''; |
|
251 |
|
|
252 |
if($mod_text == "") // nothing to do |
|
253 |
{ return false; } |
|
254 |
|
|
255 |
if($mod_no_highlight) // no highlighting |
|
256 |
{ $mod_page_link_target = "&nohighlight=1".$mod_page_link_target; } |
|
257 |
// clean the text: |
|
258 |
$mod_text = preg_replace('#<(!--.*--|style.*</style|script.*</script)>#iU', ' ', $mod_text); |
|
259 |
$mod_text = preg_replace('#<(br( /)?|dt|/dd|/?(h[1-6]|tr|table|p|li|ul|pre|code|div|hr))[^>]*>#i', '.', $mod_text); |
|
260 |
$mod_text = preg_replace('/(\v\s?|\s\s)+/', ' ', $mod_text); |
|
261 |
$mod_text = preg_replace('/\s\./', '.', $mod_text); |
|
262 |
if($mod_ext_charset!='') { // data from external database may have a different charset |
|
263 |
require_once(WB_PATH.'/framework/functions-utf8.php'); |
|
264 |
switch($mod_ext_charset) { |
|
265 |
case 'latin1': |
|
266 |
case 'cp1252': |
|
267 |
$mod_text = charset_to_utf8($mod_text, 'CP1252'); |
|
268 |
break; |
|
269 |
case 'cp1251': |
|
270 |
$mod_text = charset_to_utf8($mod_text, 'CP1251'); |
|
271 |
break; |
|
272 |
case 'latin2': |
|
273 |
$mod_text = charset_to_utf8($mod_text, 'ISO-8859-2'); |
|
274 |
break; |
|
275 |
case 'hebrew': |
|
276 |
$mod_text = charset_to_utf8($mod_text, 'ISO-8859-8'); |
|
277 |
break; |
|
278 |
case 'greek': |
|
279 |
$mod_text = charset_to_utf8($mod_text, 'ISO-8859-7'); |
|
280 |
break; |
|
281 |
case 'latin5': |
|
282 |
$mod_text = charset_to_utf8($mod_text, 'ISO-8859-9'); |
|
283 |
break; |
|
284 |
case 'latin7': |
|
285 |
$mod_text = charset_to_utf8($mod_text, 'ISO-8859-13'); |
|
286 |
break; |
|
287 |
case 'utf8': |
|
288 |
default: |
|
289 |
$mod_text = charset_to_utf8($mod_text, 'UTF-8'); |
|
290 |
} |
|
291 |
} else { |
|
292 |
$mod_text = entities_to_umlauts($mod_text, 'UTF-8'); |
|
293 |
} |
|
294 |
$anchor_text = $mod_text; // make an copy containing html-tags |
|
295 |
$mod_text = strip_tags($mod_text); |
|
296 |
$mod_text = str_replace(array('>','<','&','"',''',''',' '), array('>','<','&','"','\'','\'',"\xC2\xA0"), $mod_text); |
|
297 |
$mod_text = '.'.trim($mod_text).'.'; |
|
298 |
// Do a fast scan over $mod_text first. This will speedup things a lot. |
|
299 |
if($func_search_match == 'all') { |
|
300 |
if(!is_all_matched($mod_text, $func_search_words)) |
|
301 |
return false; |
|
302 |
} |
|
303 |
elseif(!is_any_matched($mod_text, $func_search_words)) { |
|
304 |
return false; |
|
305 |
} |
|
306 |
// search for an better anchor - this have to be done before strip_tags() (may fail if search-string contains <, &, amp, gt, lt, ...) |
|
307 |
$anchor = make_url_target($mod_page_link_target, $anchor_text, $func_search_words); |
|
308 |
|
|
309 |
// make the link from $mod_page_link, add anchor |
|
310 |
$link = ""; |
|
311 |
$link = page_link($mod_page_link); |
|
312 |
if(strpos($mod_page_link, 'http:')===FALSE) |
|
313 |
$link .= make_url_searchstring($func_search_match, $func_search_url_array); |
|
314 |
$link .= $anchor; |
|
315 |
|
|
316 |
// now get the excerpt |
|
317 |
$excerpt = ""; |
|
318 |
$excerpt_array = array(); |
|
319 |
if($mod_max_excerpt_num > 0) { |
|
320 |
if(!$excerpt_array = get_excerpts($mod_text, $func_search_words, $mod_max_excerpt_num)) { |
|
321 |
return false; |
|
322 |
} |
|
323 |
$excerpt = prepare_excerpts($excerpt_array, $func_search_words, $mod_max_excerpt_num); |
|
324 |
} |
|
325 |
|
|
326 |
// handle thumbs - to deactivate this look in the module's search.php: $show_thumb (or maybe in the module's settings-page) |
|
327 |
if($mod_pic_link != "") { |
|
328 |
$excerpt = '<table class="excerpt_thumb" width="100%" cellspacing="0" cellpadding="0" border="0"><tbody><tr><td width="110" valign="top"><a href="'.$link.'"><img src="'.WB_URL.'/'.MEDIA_DIRECTORY.$mod_pic_link.'" alt="" /></a></td><td>'.$excerpt.'</td></tr></tbody></table>'; |
|
329 |
} |
|
330 |
|
|
331 |
// print-out the excerpt |
|
332 |
$vars = array(); |
|
333 |
$values = array(); |
|
334 |
list($date, $time) = get_page_modified($mod_page_modified_when); |
|
335 |
list($username, $displayname) = get_page_modified_by($mod_page_modified_by, $func_users); |
|
336 |
$vars = array('[LINK]', '[TITLE]', '[DESCRIPTION]', '[USERNAME]','[DISPLAY_NAME]','[DATE]','[TIME]','[TEXT_LAST_UPDATED_BY]','[TEXT_ON]','[EXCERPT]'); |
|
337 |
$values = array( |
|
338 |
$link, |
|
339 |
$mod_page_title, |
|
340 |
$mod_page_description, |
|
341 |
$username, |
|
342 |
$displayname, |
|
343 |
$date, |
|
344 |
$time, |
|
345 |
$TEXT['LAST_UPDATED_BY'], |
|
346 |
$TEXT['ON'], |
|
347 |
$excerpt |
|
348 |
); |
|
349 |
echo str_replace($vars, $values, $func_results_loop_string); |
|
350 |
if($func_enable_flush) { // ATTN: this will bypass output-filters and may break template-layout or -filters |
|
351 |
ob_flush();flush(); |
|
352 |
} |
|
353 |
return true; |
|
354 |
} |
|
355 |
|
|
356 |
// list all files and dirs in $dir (recursive), omits '.', '..', and hidden files/dirs |
|
357 |
// returns an array of two arrays ($files[] and $dirs[]). |
|
358 |
// usage: list($files,$dirs) = list_files_dirs($directory); |
|
359 |
// $depth: get subdirs (true/false) |
|
360 |
function list_files_dirs($dir, $depth=true, $files=array(), $dirs=array()) { |
|
361 |
$dh=opendir($dir); |
|
362 |
while(($file = readdir($dh)) !== false) { |
|
363 |
if($file{0} == '.' || $file == '..') { |
|
364 |
continue; |
|
365 |
} |
|
366 |
if(is_dir($dir.'/'.$file)) { |
|
367 |
if($depth) { |
|
368 |
$dirs[] = $dir.'/'.$file; |
|
369 |
list($files, $dirs) = list_files_dirs($dir.'/'.$file, $depth, $files, $dirs); |
|
370 |
} |
|
371 |
} else { |
|
372 |
$files[] = $dir.'/'.$file; |
|
373 |
} |
|
374 |
} |
|
375 |
closedir($dh); |
|
376 |
natcasesort($files); |
|
377 |
natcasesort($dirs); |
|
378 |
return(array($files, $dirs)); |
|
379 |
} |
|
380 |
|
|
381 |
// keeps only wanted entries in array $files. $str have to be an eregi()-compatible regex |
|
382 |
function clear_filelist($files, $str, $keep=true) { |
|
383 |
// options: $keep = true : remove all non-matching entries |
|
384 |
// $keep = false : remove all matching entries |
|
385 |
$c_filelist = array(); |
|
386 |
if($str == '') |
|
387 |
return $files; |
|
388 |
foreach($files as $file) { |
|
389 |
if($keep) { |
|
390 |
if(eregi($str, $file)) { |
|
391 |
$c_filelist[] = $file; |
|
392 |
} |
|
393 |
} else { |
|
394 |
if(!eregi($str, $file)) { |
|
395 |
$c_filelist[] = $file; |
|
396 |
} |
|
397 |
} |
|
398 |
} |
|
399 |
return($c_filelist); |
|
400 |
} |
|
401 |
|
|
402 |
?> |
|
411 | 403 |
Also available in: Unified diff
Branch 2.8.1 merged back into Trunk