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In-Reply-To: <200807180110.38919.larry@garfieldtech.com>
References: <54FF091B-A4BE-4C3E-9783-D2DE93D6AF31@at.wakwak.com> <200807180110.38919.larry@garfieldtech.com>
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Date: Fri, 18 Jul 2008 16:54:17 +0900
To: Larry Garfield <larry@garfieldtech.com>
X-Mailer: Apple Mail (2.753.1)
Subject: Re: [PHP-DEV] [PATCH] Allow use($var..) statement ubiquitously
From: moriyoshi@at.wakwak.com (Moriyoshi Koizumi)

That's one of the motivations for the patch. I never liked the new  
syntax, but if it was given a go, it should also be made consistent  
with the another part of the syntax. Oh, I just got one important  
thing in mind to mention;

test1.php:
<?php
function a() {
     $a = "bar";
     include("test2.php");
}

$a = "foo";
a();
b();
?>

test2.php:
<?php
function b() use ($a) {
     echo $a, "\n";
}
b();
?>

running test1.php ends up with two lines of "bar", surprisingly. This  
is somewhat confusing, but surely one of the things that could not  
ever be done. This might be a great help when you use a PHP-script  
file as a mark-up template.

Moriyoshi


On 2008/07/18, at 15:10, Larry Garfield wrote:
>
> Which is why I am not a fan of this syntax as proposed.  You're  
> using the same
> keyword to mean two different but very very close things.  That's very
> confusing.  It also means that you cannot take a global by value in a
> closure.
>
> Earlier the following was proposed:
>
> function foo($a, &$b) global ($c, &$d) {
>
> }
>
> $bar = new function($a, &$b) use ($c, &$d) global ($e, &$f) {
>
> };
>
> Which I think is much more self-explanatory, accomplishes the same  
> goal, and
> still does not introduce any new keywords.  (I still think  
> "lexical" is
> better than "use", and safe, but whatev. <g>)
>
> -- 
> Larry Garfield
> larry@garfieldtech.com
>
> -- 
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