Classes/Connector.php
public static function setOpenGraphTag($key, $value)
    {
        $key   = (string)$key;
        $value = (string)$value;

        self::$store['flag']['meta:og:external'] = true;
        self::$store['meta:og'][$key]            = $value;
    }
public static function setOpenGraphTag($key, $value)
    {
        $key   = (string)$key;
        $value = (string)$value;

        self::$store['flag']['meta:og:external'] = true;
        self::$store['meta:og'][$key]            = $value;
    }
public static function setOpenGraphTag ( $ key , $ value ) { $ key = ( string ) $ key ; $ value = ( string ) $ value ; self :: $ store [ 'flag' ] [ 'meta:og:external' ] = true ; self :: $ store [ 'meta:og' ] [ $ key ] = $ value ; }
Set opengraph tag

@param   string $key   Metatag name
@param   string $value Metatag value
Set opengraph tag