75 lines
2.3 KiB
PHP
75 lines
2.3 KiB
PHP
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<?php
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/**
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* [Discuz!] (C)2001-2099 Comsenz Inc.
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* This is NOT a freeware, use is subject to license terms
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*
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* $Id: function_search.php 36278 2016-12-09 07:52:35Z nemohou $
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*/
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if(!defined('IN_DISCUZ')) {
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exit('Access Denied');
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}
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function searchkey($keyword, $field, $returnsrchtxt = 0) {
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$srchtxt = '';
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if($field && $keyword) {
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if(preg_match("(AND|\+|&|\s)", $keyword) && !preg_match("(OR|\|)", $keyword)) {
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$andor = ' AND ';
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$keywordsrch = '1';
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$keyword = preg_replace("/( AND |&| )/is", "+", $keyword);
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} else {
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$andor = ' OR ';
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$keywordsrch = '0';
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$keyword = preg_replace("/( OR |\|)/is", "+", $keyword);
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}
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$keyword = str_replace('*', '%', addcslashes($keyword, '%_'));
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$srchtxt = $returnsrchtxt ? $keyword : '';
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foreach(explode('+', $keyword) as $text) {
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$text = trim(daddslashes($text));
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if($text) {
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$keywordsrch .= $andor;
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$keywordsrch .= str_replace('{text}', $text, $field);
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}
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}
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$keyword = " AND ($keywordsrch)";
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}
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return $returnsrchtxt ? array($srchtxt, $keyword) : $keyword;
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}
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function highlight($text, $words, $prepend) {
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$text = str_replace('\"', '"', $text);
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foreach($words AS $key => $replaceword) {
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$text = str_replace($replaceword, '<highlight>'.$replaceword.'</highlight>', $text);
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}
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return "$prepend$text";
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}
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function bat_highlight($message, $words, $color = '#ff0000') {
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if(!empty($words)) {
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$highlightarray = explode(' ', $words);
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$sppos = strrpos($message, chr(0).chr(0).chr(0));
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if($sppos !== FALSE) {
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$specialextra = substr($message, $sppos + 3);
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$message = substr($message, 0, $sppos);
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}
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bat_highlight_callback_highlight_21($highlightarray, 1);
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$message = preg_replace_callback("/(^|>)([^<]+)(?=<|$)/sU", 'bat_highlight_callback_highlight_21', $message);
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$message = preg_replace("/<highlight>(.*)<\/highlight>/siU", "<strong><font color=\"$color\">\\1</font></strong>", $message);
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if($sppos !== FALSE) {
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$message = $message.chr(0).chr(0).chr(0).$specialextra;
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}
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}
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return $message;
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}
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function bat_highlight_callback_highlight_21($matches, $action = 0) {
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static $highlightarray = array();
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if($action == 1) {
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$highlightarray = $matches;
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} else {
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return highlight($matches[2], $highlightarray, $matches[1]);
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}
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}
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?>
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