| public offsetExists ( mixed $offset ) : boolean | ||
| $offset | mixed | An offset to check for. |
| Результат | boolean | true on success or false on failure.
The return value will be casted to boolean if non-boolean was returned. |
public function offsetExists($offset)
{
if (is_scalar($offset)) {
return array_key_exists($offset, $this->scalarStore);
}
if (is_object($offset)) {
return $this->objectStore->offsetExists($offset);
}
if (is_array($offset)) {
foreach ($this->arrayKeys as $index => $entry) {
if ($entry === $offset) {
$this->lastArrayKey = $offset;
$this->lastArrayValue = $this->arrayValues[$index];
return true;
}
}
}
return false;
}