mirror of
https://github.com/e107inc/e107.git
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71 lines
1.0 KiB
PHP
71 lines
1.0 KiB
PHP
<?php
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/*
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* e107 website system
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*
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* Copyright (C) 2008-2013 e107 Inc (e107.org)
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* Released under the terms and conditions of the
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* GNU General Public License (http://www.gnu.org/licenses/gpl.txt)
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* XXX HIGHLY EXPERIMENTAL AND SUBJECT TO CHANGE WITHOUT NOTICE.
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*/
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if (!defined('e107_INIT')) { exit; }
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class social_event
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{
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/*
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* constructor
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*/
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function __construct()
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{
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}
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function config()
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{
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$event = array();
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$event[] = array(
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'name' => "system_meta_pre",
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'function' => "og_image_add",
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);
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return $event;
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}
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/**
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* Callback function to add og:image if there is no any
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*/
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function og_image_add($meta)
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{
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$ogImage = e107::pref('social', 'og_image', false);
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if(empty($ogImage) || empty($meta) || e_ADMIN_AREA === true)
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{
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return null;
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}
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// check if we have og:image defined
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foreach($meta as $m)
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{
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if($m['name'] === 'og:image')
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{
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return null;
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}
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}
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e107::meta('og:image', e107::getParser()->thumbUrl($ogImage, 'w=500', false, true));
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}
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} //end class
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