public static function getNamespace($class)
    {
        if (!is_object($class) && !is_string($class)) {
            throw new InvalidArgumentException('$object must be a string or an object');
        }

        $class = (is_string($class) ? $class : get_class($class));
        $pos = strrpos($class, '\\');

        return substr($class, 0, $pos);
    }
public static function getNamespace($class)
    {
        if (!is_object($class) && !is_string($class)) {
            throw new InvalidArgumentException('$object must be a string or an object');
        }

        $class = (is_string($class) ? $class : get_class($class));
        $pos = strrpos($class, '\\');

        return substr($class, 0, $pos);
    }
public static function getNamespace ( $ class ) { if ( ! is_object ( $ class ) && ! is_string ( $ class ) ) { throw new InvalidArgumentException ( '$object must be a string or an object' ) ; } $ class = ( is_string ( $ class ) ? $ class : get_class ( $ class ) ) ; $ pos = strrpos ( $ class , '\\' ) ; return substr ( $ class , 0 , $ pos ) ; }
Get the namespace from a given class or object.

@param mixed $class

@return string
@throws \InvalidArgumentException
Get the namespace from a given class or object .