public function validateElement($element)
    {
        if (!is_object($element)) {
            throw new \InvalidArgumentException(sprintf(
                'Invalid element of type %s passed to %s, expected: %s',
                gettype($element),
                get_class($this),
                $this->getClass()
            ));
        }

        if (!is_a($element, $this->getClass())) {
            throw new \InvalidArgumentException(sprintf(
                'Invalid element (instance of %s) passed to %s, expected: %s',
                get_class($element),
                get_class($this),
                $this->getClass()
            ));
        }
    }
public function validateElement($element)
    {
        if (!is_object($element)) {
            throw new \InvalidArgumentException(sprintf(
                'Invalid element of type %s passed to %s, expected: %s',
                gettype($element),
                get_class($this),
                $this->getClass()
            ));
        }

        if (!is_a($element, $this->getClass())) {
            throw new \InvalidArgumentException(sprintf(
                'Invalid element (instance of %s) passed to %s, expected: %s',
                get_class($element),
                get_class($this),
                $this->getClass()
            ));
        }
    }
public function validateElement ( $ element ) { if ( ! is_object ( $ element ) ) { throw new \ InvalidArgumentException ( sprintf ( 'Invalid element of type %s passed to %s, expected: %s' , gettype ( $ element ) , get_class ( $ this ) , $ this -> getClass ( ) ) ) ; } if ( ! is_a ( $ element , $ this -> getClass ( ) ) ) { throw new \ InvalidArgumentException ( sprintf ( 'Invalid element (instance of %s) passed to %s, expected: %s' , get_class ( $ element ) , get_class ( $ this ) , $ this -> getClass ( ) ) ) ; } }
Checks if element collection constructed with has correct class.

@param object $element
Checks if element collection constructed with has correct class .