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From: Doug Miller <doug_at_milmac_dot_com@example.com>
Newsgroups: comp.lang.php
Subject: Re: What is the purpose of "&" in this code?
Date: Sun, 15 Jun 2014 01:25:52 +0000 (UTC)
Organization: A noiseless patient Spider
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richard <noreply@example.com> wrote in news:tvhj7dle16f3$.ro2c41zfpmyn.dlg@40tude.net:

> 
> foreach($master as &$ma)
>     $tmp[] = &$ma["date"];
> array_multisort($tmp, $master);
> foreach($master as &$ma)
>     echo $ma["date"]."<br/>"; 
> 

RTFM, RtS.