227 lines
8.0 KiB
PHP
227 lines
8.0 KiB
PHP
<?php
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/**
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* Notice search action class.
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*
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* PHP version 5
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*
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* @category Action
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* @package Laconica
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* @author Evan Prodromou <evan@controlyourself.ca>
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* @author Robin Millette <millette@controlyourself.ca>
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* @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
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* @link http://laconi.ca/
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*
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* Laconica - a distributed open-source microblogging tool
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* Copyright (C) 2008, Controlez-Vous, Inc.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program 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 Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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if (!defined('LACONICA')) {
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exit(1);
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}
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require_once INSTALLDIR.'/lib/searchaction.php';
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/**
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* Notice search action class.
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*
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* @category Action
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* @package Laconica
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* @author Evan Prodromou <evan@controlyourself.ca>
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* @author Robin Millette <millette@controlyourself.ca>
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* @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
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* @link http://laconi.ca/
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* @todo common parent for people and content search?
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*/
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class NoticesearchAction extends SearchAction
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{
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/**
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* Get instructions
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*
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* @return string instruction text
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*/
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function getInstructions()
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{
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return _('Search for notices on %%site.name%% by their contents. Separate search terms by spaces; they must be 3 characters or more.');
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}
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/**
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* Get title
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*
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* @return string title
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*/
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function title()
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{
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return _('Text search');
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}
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/**
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* Show results
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*
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* @param string $q search query
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* @param integer $page page number
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*
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* @return void
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*/
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function showResults($q, $page)
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{
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$notice = new Notice();
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$q = strtolower($q);
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$search_engine = $notice->getSearchEngine('identica_notices');
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$search_engine->set_sort_mode('chron');
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// Ask for an extra to see if there's more.
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$search_engine->limit((($page-1)*NOTICES_PER_PAGE), NOTICES_PER_PAGE + 1);
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if (false === $search_engine->query($q)) {
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$cnt = 0;
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} else {
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$cnt = $notice->find();
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}
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if ($cnt > 0) {
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$terms = preg_split('/[\s,]+/', $q);
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$this->elementStart('ul', array('id' => 'notices'));
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for ($i = 0; $i < min($cnt, NOTICES_PER_PAGE); $i++) {
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if ($notice->fetch()) {
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$this->showNotice($notice, $terms);
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} else {
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// shouldn't happen!
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break;
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}
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}
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$this->elementEnd('ul');
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} else {
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$this->element('p', 'error', _('No results'));
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}
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$this->pagination($page > 1, $cnt > NOTICES_PER_PAGE,
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$page, 'noticesearch', array('q' => $q));
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}
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/**
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* Show header
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*
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* @param array $arr array containing the query
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*
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* @return void
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*/
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function extraHead()
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{
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$q = $this->trimmed('q');
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if ($q) {
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$this->element('link', array('rel' => 'alternate',
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'href' => common_local_url('noticesearchrss',
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array('q' => $q)),
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'type' => 'application/rss+xml',
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'title' => _('Search Stream Feed')));
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}
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}
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/**
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* Show notice
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*
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* @param class $notice notice
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* @param array $terms terms to highlight
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*
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* @return void
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*
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* @todo refactor and combine with StreamAction::showNotice()
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*/
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function showNotice($notice, $terms)
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{
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$profile = $notice->getProfile();
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if (!$profile) {
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common_log_db_error($notice, 'SELECT', __FILE__);
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$this->serverError(_('Notice without matching profile'));
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return;
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}
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// XXX: RDFa
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$this->elementStart('li', array('class' => 'notice_single',
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'id' => 'notice-' . $notice->id));
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$avatar = $profile->getAvatar(AVATAR_STREAM_SIZE);
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$this->elementStart('a', array('href' => $profile->profileurl));
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$this->element('img', array('src' => ($avatar) ? common_avatar_display_url($avatar) : common_default_avatar(AVATAR_STREAM_SIZE),
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'class' => 'avatar stream',
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'width' => AVATAR_STREAM_SIZE,
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'height' => AVATAR_STREAM_SIZE,
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'alt' =>
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($profile->fullname) ? $profile->fullname :
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$profile->nickname));
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$this->elementEnd('a');
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$this->element('a', array('href' => $profile->profileurl,
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'class' => 'nickname'),
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$profile->nickname);
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// FIXME: URL, image, video, audio
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$this->elementStart('p', array('class' => 'content'));
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if ($notice->rendered) {
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$this->raw($this->highlight($notice->rendered, $terms));
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} else {
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// XXX: may be some uncooked notices in the DB,
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// we cook them right now. This should probably disappear in future
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// versions (>> 0.4.x)
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$this->raw($this->highlight(common_render_content($notice->content, $notice), $terms));
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}
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$this->elementEnd('p');
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$noticeurl = common_local_url('shownotice', array('notice' => $notice->id));
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$this->elementStart('p', 'time');
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$this->element('a', array('class' => 'permalink',
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'href' => $noticeurl,
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'title' => common_exact_date($notice->created)),
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common_date_string($notice->created));
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if ($notice->reply_to) {
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$replyurl = common_local_url('shownotice', array('notice' => $notice->reply_to));
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$this->text(' (');
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$this->element('a', array('class' => 'inreplyto',
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'href' => $replyurl),
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_('in reply to...'));
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$this->text(')');
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}
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$this->elementStart('a',
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array('href' => common_local_url('newnotice',
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array('replyto' => $profile->nickname)),
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'onclick' => 'doreply("'.$profile->nickname.'"); return false',
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'title' => _('reply'),
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'class' => 'replybutton'));
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$this->hidden('posttoken', common_session_token());
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$this->raw('→');
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$this->elementEnd('a');
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$this->elementEnd('p');
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$this->elementEnd('li');
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}
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/**
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* Highlist query terms
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*
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* @param string $text notice text
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* @param array $terms terms to highlight
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*
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* @return void
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*/
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function highlight($text, $terms)
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{
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/* Highligh serach terms */
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$pattern = '/('.implode('|', array_map('htmlspecialchars', $terms)).')/i';
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$result = preg_replace($pattern, '<strong>\\1</strong>', $text);
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/* Remove highlighting from inside links, loop incase multiple highlights in links */
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$pattern = '/(href="[^"]*)<strong>('.implode('|', array_map('htmlspecialchars', $terms)).')<\/strong>([^"]*")/iU';
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do {
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$result = preg_replace($pattern, '\\1\\2\\3', $result, -1, $count);
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} while ($count);
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return $result;
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}
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}
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