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To: Tom Boutell <tom@punkave.com>, PHP Internals <internals@lists.php.net>
Date: Mon, 9 Apr 2012 13:33:33 -0400
Thread-Topic: [PHP-DEV] PHP class files without <?php at the top
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Subject: RE: [PHP-DEV] PHP class files without <?php at the top
From: johncrenshaw@priacta.com (John Crenshaw)

From: Tom Boutell [mailto:tom@punkave.com]=20
>
> On Mon, Apr 9, 2012 at 12:43 PM, John Crenshaw <johncrenshaw@priacta.com>=
 wrote:
> > interoperability is somewhat reduced in the sense that all 3rd party=20
> > code would have to be checked for the <?php
>=20
> I'm not sure what you mean by this part exactly?

Suppose a code library is written and the author writes it without the <?ph=
p at the head of each file. Using that library in a project that opted to k=
eep the <?php requires adding this to the head of each file, or else ensuri=
ng that the library is always included with the code parameter set (which c=
ould get really messy with autoloaders.) Additionally (assuming that you mo=
dified the code files) updating the library in the future gets really messy=
. It's not the end of the world, but it's frustrating. I'd like to believe =
that most library authors will be smart enough to always include the <?php =
for compatibility purposes, but I'm sure some won't.

John Crenshaw
Priacta, Inc.