On Thu, Mar 1, 2012 at 9:52 AM, Simon Schick <simonsimc...@googlemail.com>wrote:
> Hi, John
>
> Just to add an idea to yours ..
>
> Do you think it's a compatibility-break if we'd decide to send a E_NOTICE
> or E_WARNING if we f.e. try to give a string to a method that just allows
> integer for this argument?
> No break at all, just a E_NOTICE or E_WARNING as the script can succeed
> anyways.
>
> Perhaps I missed something, but since 5.3, the new parameter parsing API
throws a Warning when types are not strictly honored.
This has been a major feature in favor of "cleaner" programming.
Try substr('foo', 'bar'), in PHP >= 5.3 and you get a warning and the
function returns null.
Julien.P
> Bye
> Simon
>
> 2012/3/1 John Crenshaw <johncrens...@priacta.com>
>
> > > From: Richard Lynch [mailto:c...@l-i-e.com]
> > > On Wed, February 29, 2012 7:16 pm, John Crenshaw wrote:
> > > > I'm beginning to think that the type hinting question is too closely
> > > > related to the dirty secrets of type juggling to resolve them
> > > > separately. You may have to either discard consistency, or else fix
> > > > the problem of silent bizarre conversions at the same time ('foo'==0,
> > > > '123abc'=123). Fixing the conversions is a BC break though.
> > >
> > > [short version]
> > > One man's "fixing" is another man's "feature" :-)
> > >
> > > Old hands can now hit delete while I wax philosophical.
> >
> > The operative word was "silent". The actual behavior is fine, but the
> > silence is unexpected. For example, PHP happily accepts substr('foo',
> > 'bar') with no complaint at all. From a purely philosophical perspective
> I
> > think almost everyone would expect *at least* a strict notice.
> >
> > On a practical level, we have a major barrier and we'll have to decide
> how
> > to handle it. As I see it we could do one of the following:
> > 1. Discard consistency (!!)
> > 2. Try to convince people to make these bizarre conversions not silent
> (BC
> > break)
> > 3. Try to find a creative solution to be consistent without changing
> > anything about the conversion behavior. (I'm not seeing a way to do this
> > one, unless we redefine "consistent".)
> >
> > John Crenshaw
> > Priacta, Inc.
> >
> > --
> > PHP Internals - PHP Runtime Development Mailing List
> > To unsubscribe, visit: http://www.php.net/unsub.php
> >
> >
>
