public function get404Properties()
    {
        $result = [];
        foreach ($this->result as $propertyName => $stuff) {
            if (404 === $stuff[0]) {
                $result[] = $propertyName;
            }
        }
        // If there's nothing in this list, we're adding one fictional item.
        if (!$result) {
            $result[] = '{http://sabredav.org/ns}idk';
        }

        return $result;
    }
public function get404Properties()
    {
        $result = [];
        foreach ($this->result as $propertyName => $stuff) {
            if (404 === $stuff[0]) {
                $result[] = $propertyName;
            }
        }
        // If there's nothing in this list, we're adding one fictional item.
        if (!$result) {
            $result[] = '{http://sabredav.org/ns}idk';
        }

        return $result;
    }
public function get404Properties ( ) { $ result = [ ] ; foreach ( $ this -> result as $ propertyName => $ stuff ) { if ( 404 === $ stuff [ 0 ] ) { $ result [ ] = $ propertyName ; } } // If there's nothing in this list, we're adding one fictional item. if ( ! $ result ) { $ result [ ] = '{http://sabredav.org/ns}idk' ; } return $ result ; }
Returns all propertynames that have a 404 status, and thus don't have a
value yet.

@return array
Returns all propertynames that have a 404 status and thus don t have a value yet .