Sprawdzenie wspólnych kluczy tablicy

$config['parameters'] = ['test1 =>123,'test2'=333];

$parameters = ['test1 =>123];


$arrayIntersect = array_intersect_assoc($config['parameters'], $parameters);

ksort($arrayIntersect);
ksort($parameters);

if ($arrayIntersect == $parameters) {
   return $config['returnValue'];
}