Path: csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!feeder.erje.net!eu.feeder.erje.net!eternal-september.org!feeder.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail
From: Mladen Gogala <gogala.mladen@gmail.com>
Newsgroups: comp.lang.php
Subject: Re: weird global issue
Date: Sun, 23 Feb 2014 22:09:06 +0000 (UTC)
Organization: A noiseless patient Spider
Lines: 62
Message-ID: <pan.2014.02.23.22.09.06@gmail.com>
References: <ledeug$a34$1@news.albasani.net>
Mime-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Injection-Date: Sun, 23 Feb 2014 22:09:06 +0000 (UTC)
Injection-Info: mx05.eternal-september.org; posting-host="9329a606497bb546bacd1416e46e9713"; logging-data="9916"; mail-complaints-to="abuse@eternal-september.org";	posting-account="U2FsdGVkX18Xj/5GRlUTz/tOusCqWQlc"
User-Agent: Pan/0.139 (Sexual Chocolate; GIT bf56508 git://git.gnome.org/pan2)
Cancel-Lock: sha1:K9VkAmGTxaodEx5jmwznha7LLJQ=
Xref: csiph.com comp.lang.php:12910

On Sun, 23 Feb 2014 18:33:52 +0000, The Natural Philosopher wrote:

> Consider <?php $x=array();
> 
> function foo()
> {
> global $x;
> foreach($x as $p) // fails with invalid type
> 	{
> 	}
> }
> ?>
> ---------
> 
> <?php $x=array();
> global $x;
> function foo()
> {
> global $x;
> foreach($x as $p) // works??
> 	{
> 	}
> }
> ?>
> ---------
> This behaviour seems only limited to arrays...

Which version of PHP? I copied your code almost literally and it works 
flawlessly:
[mgogala@medo ~]$ cat /tmp/ttt.php
#!/usr/bin/php
<?php
$x=array(1,2,3);

function foo()
{
global $x;
foreach($x as $p) // fails with invalid type
    {
      print "$p\n";
    }
}
foo();
?>

[mgogala@medo ~]$ /tmp/ttt.php
1
2
3

mgogala@medo ~]$ php -v
PHP 5.5.9 (cli) (built: Feb 18 2014 15:01:31) 
Copyright (c) 1997-2014 The PHP Group
Zend Engine v2.5.0, Copyright (c) 1998-2014 Zend Technologies
[mgogala@medo ~]$ 

It's Linux, F20. 

-- 
Mladen Gogala
The Oracle Whisperer
http://mgogala.byethost5.com