Arr::forceArray(mixed $var, int $flag = self::FORCE_ARRAY_ALL): mixed
Arr::forceArray(0) -> [0]
Arr::forceArray('test') -> ['test']
Arr::forceArray(null) -> [null]
Arr::forceArray(null, Arr::FORCE_ARRAY_PRESERVE_NULL) -> null
$object = new stdClass();
Arr::forceArray($object) -> [$object]
// With this flag all objects remain intact
Arr::forceArray($object, Arr::FORCE_ARRAY_PRESERVE_OBJECTS) -> $object
$object = new ArrayObject();
Arr::forceArray($object) -> [$object]
// With this flag objects implementing ArrayAccess remain intact
Arr::forceArray($object, Arr::FORCE_ARRAY_PRESERVE_ARRAY_OBJECTS) -> $object