Re: Proposal: ArraySerializable interface

I think this would be a great feature. PHP already casts objects to arrays, so being able to customize that behavior would be really helpful. For example, Guzzle uses a similar interface to handle marshaling objects to associative arrays when serializing requests. -Michael > On Dec 10, 2013, at 5:23 PM, chobie <chobieee@gmail.com> wrote: > > Hi, > > I've got an idea for adding common way to convert array from object: > ArraySerializable interface and to allow the changing of existing > array conversion mechanism. > As an example of this change, consider the following code-snippet: > > $person = new StdClass(); > $person->name = "John"; > $phone = new StdClass(); > $phone->number = "12345"; > $person->phone = $phone; > > var_dump((array)$person); > #array(2) { > # ["name"]=> > # string(4) "John" > # ["phone"]=> > # object(stdClass)#2 (1) { > # ["number"]=> > # string(5) "12345" > # } > #} > > Currently, the implicit object to array conversion does not work > recursively. This propose changes object to array conversion behaviour > which implements ArraySerializable interface. specifically > ArraySerializable::__toArray method overrides current (array) cast. > > interface ArraySerializable > { > /** @return array */ > public function __toArray(); > } > > > ArraySerializable interface provides common way to convert to array > from object. also impose conversion rule. > > * __toArray() returning value excepts an array and It values only > accepts primitive type. (long, double, string and array) > * do cast to array operation when the value contains object which > implements ArraySerializable interface > * otherwise, raise RuntimeException. > * __toArray() method calls implicitly when cast to array from object. > > This feature improves object to portable format (like json) conversion > mechanism. > > rough propose document and patch are here: > https://gist.github.com/chobie/7890899 > > I want to get feedback about this propose. If I get a good response > I'll investigate potential issues and improve rfc and patch. > > Thanks, > Shuhei > > -- > PHP Internals - PHP Runtime Development Mailing List > To unsubscribe, visit: http://www.php.net/unsub.php >