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|
<?php
namespace Zotlabs\Web;
class OpenGraph {
private $vars = null;
function __construct() {
$this->vars = array();
}
function set($property,$value) {
$this->vars[$property] = $value;
}
function check_required() {
if(
($this->vars)
&& array_key_exists('og:title',$this->vars)
&& array_key_exists('og:type', $this->vars)
&& array_key_exists('og:image',$this->vars)
&& array_key_exists('og:url', $this->vars)
)
return true;
return false;
}
function get_field($field) {
if($this->vars && array_key_exists($field,$this->vars) && $this->vars[$field])
return $this->vars[$field];
return false;
}
function get() {
if($this->check_required()) {
$o = "\r\n";
foreach($this->vars as $k => $v) {
$o .= '<meta property="' . $k . '" content="' . urlencode($v) . '" />' . "\r\n" ;
}
return $o;
}
return '';
}
}
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