src/classes/CCContainer.php
public static function is_callable( $key )
	{
		if ( is_callable( $key ) )
		{
			return true;
		}

		if ( array_key_exists( $key, static::$_container ) )
		{
			return true;
		}

		return false;
	}
public static function is_callable( $key )
	{
		if ( is_callable( $key ) )
		{
			return true;
		}

		if ( array_key_exists( $key, static::$_container ) )
		{
			return true;
		}

		return false;
	}
public static function is_callable ( $ key ) { if ( is_callable ( $ key ) ) { return true ; } if ( array_key_exists ( $ key , static :: $ _container ) ) { return true ; } return false ; }
Is this callable

@param string 	$key
@return bool
Is this callable