public static function exists($array, $key)
{
$key = static::normalizeKey($key);
if ($key === null || $key === '' || static::isEmpty($array)) {
return false;
}
$keys = explode('.', $key);
$currentElement = $array;
foreach ($keys as $currentKey) {
if (!is_array($currentElement) || !array_key_exists($currentKey, $currentElement)) {
return false;
}
$currentElement = $currentElement[(string) $currentKey];
}
return true;
} /**
* @override
* @inheritDoc
*/
public function exists($key)
{
return ArraySupport::exists($this->config, $key);
}
