public function isEmpty($property_name = null)
    {
        $value = $this->get($property_name);

        return Inspector::isEmpty($value);
    }
public function isEmpty($property_name = null)
    {
        $value = $this->get($property_name);

        return Inspector::isEmpty($value);
    }
public function isEmpty ( $ property_name = null ) { $ value = $ this -> get ( $ property_name ) ; return Inspector :: isEmpty ( $ value ) ; }
Determine if a given property contains data.

@param string $property_name The property to check.

@return bool true if empty, false otherwise.
Determine if a given property contains data .