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195 lines
8.6 KiB
195 lines
8.6 KiB
<?php
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/**
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* @package tikiwiki
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*/
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// (c) Copyright by authors of the Tiki Wiki CMS Groupware Project
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//
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// All Rights Reserved. See copyright.txt for details and a complete list of authors.
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// Licensed under the GNU LESSER GENERAL PUBLIC LICENSE. See license.txt for details.
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// $Id$
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define('PATTERN_TO_CLEAN_TEXT', '/\W/u');
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define('CLEAN_CHAR', '-');
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define('TITLE_SEPARATOR', '-');
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/**
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* Turns a traditional URL into a Search Engine Friendly one, if requested
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*
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* @param string $tpl_output original "unfriendly" url
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* @param string $type type of object (article|blog|blogpost etc)
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* @param string $title title of object
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* @param null $with_next Appends '?' or a '&' to the end of the returned URL so you can join further parameters
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* @param string $with_title Add the object title to the end of the URL
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* @return string sefurl
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*/
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function filter_out_sefurl($tpl_output, $type = null, $title = '', $with_next = null, $with_title = 'y')
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{
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global $sefurl_regex_out, $prefs, $base_url, $in_installer;
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if ($prefs['feature_sefurl'] != 'y' || ! empty($in_installer) || ( preg_match('#^http(|s)://#', $tpl_output) and strpos($tpl_output, $base_url) !== 0 )) {
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return $tpl_output;
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}
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$cachelib = TikiLib::lib('cache');
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$tikilib = TikiLib::lib('tiki');
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if (! is_array($sefurl_regex_out)) {
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if (! $sefurl_regex_out = $cachelib->getSerialized('sefurl_regex_out')) {
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$query = 'select * from `tiki_sefurl_regex_out` where `silent` != ? order by `order` asc';
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$result = $tikilib->query($query, ['y']);
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$sefurl_regex_out = [];
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if (! empty($result)) {
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while ($res = $result->fetchRow()) {
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if (empty($res['feature']) || $prefs[$res['feature']] == 'y') {
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$sefurl_regex_out[] = $res;
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}
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}
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}
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$cachelib->cacheItem('sefurl_regex_out', serialize($sefurl_regex_out));
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}
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}
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if ($type == 'article' && empty($with_next) && $with_title == 'y') {
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if ($prefs['feature_sefurl_title_article'] == 'y') {
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$artlib = TikiLib::lib('art');
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if (preg_match('/articleId=([0-9]+)/', $tpl_output, $matches) || preg_match('/article([0-9]+)/', $tpl_output, $matches)) {
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if (empty($title)) {
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$title = $artlib->get_title($matches[1]);
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}
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$title = preg_replace(PATTERN_TO_CLEAN_TEXT, CLEAN_CHAR, $tikilib->take_away_accent($title));
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$title = preg_replace('/' . CLEAN_CHAR . CLEAN_CHAR . '+/', '-', $title);
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$title = preg_replace('/' . CLEAN_CHAR . '+$/', '', $title);
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}
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} else {
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$title = '';
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}
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}
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if ($type == 'blog' && empty($with_next) && $with_title == 'y') {
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if ($prefs['feature_sefurl_title_blog'] == 'y') {
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$bloglib = TikiLib::lib('blog');
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if (preg_match('/blogId=([0-9]+)/', $tpl_output, $matches) || preg_match('/blog([0-9]+)/', $tpl_output, $matches)) {
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if (empty($title)) {
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$title = $bloglib->get_title($matches[1]);
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}
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$title = preg_replace(PATTERN_TO_CLEAN_TEXT, CLEAN_CHAR, $tikilib->take_away_accent($title));
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$title = preg_replace('/' . CLEAN_CHAR . CLEAN_CHAR . '+/', '-', $title);
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$title = preg_replace('/' . CLEAN_CHAR . '+$/', '', $title);
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}
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} else {
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$title = '';
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}
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}
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if ($type == 'blogpost' && empty($with_next) && $with_title == 'y') {
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if ($prefs['feature_sefurl_title_blog'] == 'y') {
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$bloglib = TikiLib::lib('blog');
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if (preg_match('/postId=([0-9]+)/', $tpl_output, $matches) || preg_match('/blogpost([0-9]+)/', $tpl_output, $matches)) {
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if (empty($title)) {
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if ($post_info = $bloglib->get_post($matches[1])) {
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$title = $post_info['title'];
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}
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}
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$title = preg_replace(PATTERN_TO_CLEAN_TEXT, CLEAN_CHAR, $tikilib->take_away_accent($title));
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$title = preg_replace('/' . CLEAN_CHAR . CLEAN_CHAR . '+/', '-', $title);
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$title = preg_replace('/' . CLEAN_CHAR . '+$/', '', $title);
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}
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} else {
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$title = '';
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}
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}
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if ($type == 'tracker item' || $type == 'trackeritem') {
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if (preg_match('/itemId=([0-9]+)/', $tpl_output, $matches)) {
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$trklib = TikiLib::lib('trk');
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if ($prefs['feature_sefurl_title_trackeritem'] == 'y') {
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$title = $trklib->get_title_sefurl($matches[1]);
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}
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if (
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$prefs['feature_sefurl_tracker_prefixalias'] == 'y' && $prefs['tracker_prefixalias_on_links'] == 'y' &&
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$pagealias = $trklib->get_trackeritem_pagealias($matches[1])
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) {
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$title = '';
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$tpl_output = "./tiki-index.php?page=" . $pagealias;
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}
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}
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}
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if ($type == 'category' && ! empty($title) && $with_title == 'y') {
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$title = preg_replace(PATTERN_TO_CLEAN_TEXT, CLEAN_CHAR, $tikilib->take_away_accent($title));
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$title = preg_replace('/' . CLEAN_CHAR . CLEAN_CHAR . '+/', '-', $title);
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$title = preg_replace('/' . CLEAN_CHAR . '+$/', '', $title);
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}
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if (($type == 'forumthread' || $type == 'forum post') && empty($with_next) && $with_title == 'y') {
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if ($prefs['feature_sefurl_title_forumthread'] == 'y') {
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$commentslib = TikiLib::lib('comments');
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if (preg_match('/comments_parentId=([0-9]+)/', $tpl_output, $matches) || preg_match('/forumthread([0-9]+)/', $tpl_output, $matches)) {
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if (empty($title)) {
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$commentInfo = $commentslib->get_comment($matches[1]);
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$title = ! empty($commentInfo["title"]) ? $commentInfo["title"] : '';
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}
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$title = preg_replace(PATTERN_TO_CLEAN_TEXT, CLEAN_CHAR, $tikilib->take_away_accent($title));
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$title = preg_replace('/' . CLEAN_CHAR . CLEAN_CHAR . '+/', '-', $title);
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$title = preg_replace('/' . CLEAN_CHAR . '+$/', '', $title);
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if (! empty($prefs['feature_sefurl_title_max_size'])) {
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if (strlen($title) > $prefs['feature_sefurl_title_max_size']) {
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$title = substr($title, 0, ($prefs['feature_sefurl_title_max_size'] + 1));
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$titleMaxLength = strrpos($title, CLEAN_CHAR);
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if ($titleMaxLength > 0) {
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$title = substr($title, 0, $titleMaxLength);
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}
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}
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}
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}
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} else {
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$title = '';
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}
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}
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foreach ($sefurl_regex_out as $regex) {
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if (
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(empty($type) || $type == $regex['type']) &&
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preg_match('/tiki-index\.php\?page=[^&]*%2F/', $tpl_output) === 0
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) { // slash (%2F here) in sefurl page name causes error 404
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// if a question mark in pattern, deal with possible additional terms
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// The '?&' isn't pretty but seems to work.
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//if ( strpos($regex['left'],'?') !== FALSE ) {
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// $tpl_output = preg_replace( '/'.$regex['left'].'&/', $regex['right'].'?&', $tpl_output );
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//}
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$tpl_output = preg_replace('/' . $regex['left'] . '/', $regex['right'], $tpl_output);
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}
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}
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if (! empty($title) && $with_title == 'y') {
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$tpl_output .= TITLE_SEPARATOR . $title;
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}
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if (is_array($prefs['feature_sefurl_paths'])) {
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foreach ($prefs['feature_sefurl_paths'] as $path) {
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if (isset($_REQUEST[$path])) {
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$tpl_output = urlencode($_REQUEST[$path]) . "/$tpl_output";
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}
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}
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}
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if (strpos($tpl_output, '?') === false) { // historically tiki has coped with malformed short urls with no ?
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$amppos = strpos($tpl_output, '&'); // route.php requires that we no longer do that
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$eqpos = strpos($tpl_output, '=');
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if ($amppos !== false && ($eqpos === false || $eqpos > $amppos)) {
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if (substr($tpl_output, $amppos, 5) !== '&') {
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$tpl_output[$amppos] = '?';
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} else {
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$tpl_output = substr($tpl_output, 0, $amppos) . '?' . substr($tpl_output, $amppos + 5);
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}
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}
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}
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if ($with_next) {
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if (strpos($tpl_output, '?') === false) {
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$tpl_output .= '?';
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} else {
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$tpl_output .= '&';
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}
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}
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return $tpl_output;
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}
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