On 10/14/07, Hans Moog <[EMAIL PROTECTED]> wrote:
> It shows an error that fun1 is not implemented for the signature of the
> passed parameters.
>
> But you could still provide a method that matches any number and type of
> parameters by adding the following method declaration.
Well, this looks exactly like incompatibility to me, because currently
any function accepts any number of parameters (and you get
non-explicit ones by using func_get_args())
>
> /**
> * This method accepts parameters of any type and any count.
> */
> public function fun1($parameters ...) {
> /*
> * array(3) {
> * [0] => string(1) "a"
> * [1] => string(2) "b"
> * [2] => string(3) "c"
> * }
> */
> var_dump($parameters);
> }
>
>
> The "..." notation (making it possible to have a dynamic count of parameters
> of the given type (missing typehint automatically chooses mixed)) is only
> allowed for the last parameter.
>
> So method defintions like the following one are also possible:
>
>
> public function fun1(string $firstParam, string $remainingParameters ...) {
> /*
> * string(1) "a"
> */
> var_dump($firstParam);
>
> /*
> * array(3) {
> * [0] => string(1) "b"
> * [1] => string(2) "c"
> * }
> */
> var_dump($remainingParameters);
> }
>
> -----Ursprüngliche Nachricht-----
> Von: Alexey Zakhlestin [mailto:[EMAIL PROTECTED]
> Gesendet: Samstag, 13. Oktober 2007 23:20
> An: Hans Moog
> Cc: [email protected]
> Betreff: Re: [PHP-DEV] Method overloading by method signature
>
> can your patch handle the following situation? how?
>
> class A
> {
> public function fun1($a)
> {
> //…
> }
>
> public function fun1($a, $b)
> {
> //…
> }
> }
>
> $a = new A();
> $a->fun1('a', 'b', 'c'); // which method is called here?
>
> On 10/14/07, Hans Moog <[EMAIL PROTECTED]> wrote:
> > Why would it be incompatible with php's dynamic nature? (I already heard
> > many people saying "that this is not the php way") But why ? Don't you like
> > it or do you think it is just not possible to be implemented in php?
> >
> > I could provide a patch that makes it possible (even with complete
> > visibility and inheritance rules). We already use it and it saves us a lot
> > of code.
> >
> > I think it is better than the '$x = "defaultValue"' kind of way to accept
> > different count and types of parameters because it is MUCH more expressive
> > and intuitive.
> >
> > It wouldn't even break backward compatibility beause it is just
> > "syntactical sugar" to checking the variable types manually and then
> > dispatching to the right behaviour.
> >
> > -----Ursprüngliche Nachricht-----
> > Von: Alexey Zakhlestin [mailto:[EMAIL PROTECTED]
> > Gesendet: Samstag, 13. Oktober 2007 22:22
> > An: Hans Moog
> > Cc: [email protected]
> > Betreff: Re: [PHP-DEV] Method overloading by method signature
> >
> > Hans, such overloading would be incompatible with php's dynamic nature
> > As far as I remember, even type-hinting for basic-types (strings,
> > integers) was rejected
> >
> > On 10/13/07, Hans Moog <[EMAIL PROTECTED]> wrote:
> > > Will method overloading by method signature be implemented in php6 or
> > > even php 5.3?
> > >
> > >
> > >
> > > Example:
> > >
> > > <?php
> > >
> > > namespace xyz;
> > >
> > >
> > >
> > > import core::TestClass;
> > >
> > >
> > >
> > > class Test extends TestClass {
> > >
> > > public string function test(integer $int) {
> > >
> > > return "Hi";
> > > }
> > >
> > >
> > >
> > > public integer function test(string $string, integer $int) {
> > >
> > > return $int;
> > > }
> > > }
> > >
> > > ?>
> > >
> > >
> > >
> > > I think this would be a very big advantage and would help developers to
> > > write better code.
> > >
> > >
> >
> >
> > --
> > Alexey Zakhlestin
> > http://blog.milkfarmsoft.com/
> >
> >
> >
>
>
> --
> Alexey Zakhlestin
> http://blog.milkfarmsoft.com/
>
>
>
--
Alexey Zakhlestin
http://blog.milkfarmsoft.com/
