function public function ArrayObject::__isset

8.x-3.x ArrayObject.php public ArrayObject::__isset($key)

Returns whether the requested key exists.

Parameters

mixed $key: A key.

Return value

bool TRUE or FALSE

Class

ArrayObject
Custom ArrayObject implementation.

Namespace

Drupal\bootstrap\Utility

Source src/Utility/ArrayObject.php (line 45)

public function __isset($key) {
  return $this->offsetExists($key);
}