* An offset to check for. *
* @return boolean true on success or false on failure. * ** The return value will be casted to boolean if non-boolean was returned. * @since 5.0.0 */ public function offsetExists($offset) { return array_key_exists($offset, $this->data); } /** * Offset to retrieve * @link http://php.net/manual/en/arrayaccess.offsetget.php * @param mixed $offset
* The offset to retrieve. *
* @return mixed Can return all value types. * @since 5.0.0 */ public function offsetGet($offset) { if (!$this->offsetExists($offset)) { throw new \PHPUnit_Framework_AssertionFailedError("Example $offset doesn't exist"); }; return $this->data[$offset]; } /** * Offset to set * @link http://php.net/manual/en/arrayaccess.offsetset.php * @param mixed $offset* The offset to assign the value to. *
* @param mixed $value* The value to set. *
* @return void * @since 5.0.0 */ public function offsetSet($offset, $value) { $this->data[$offset] = $value; } /** * Offset to unset * @link http://php.net/manual/en/arrayaccess.offsetunset.php * @param mixed $offset* The offset to unset. *
* @return void * @since 5.0.0 */ public function offsetUnset($offset) { unset($this->data[$offset]); } /** * Count elements of an object * @link http://php.net/manual/en/countable.count.php * @return int The custom count as an integer. * ** The return value is cast to an integer. * @since 5.1.0 */ public function count() { return count($this->data); } /** * Retrieve an external iterator * @link http://php.net/manual/en/iteratoraggregate.getiterator.php * @return Traversable An instance of an object implementing Iterator or * Traversable * @since 5.0.0 */ public function getIterator() { return new \ArrayIterator($this->data); } }