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Re: What is the purpose of "&" in this code?

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On 6/14/2014 11:08 AM, richard wrote:
>
> foreach($master as &$ma)
>      $tmp[] = &$ma["date"];
> array_multisort($tmp, $master);
> foreach($master as &$ma)
>      echo $ma["date"]."<br/>";
>

http://www.php.net/manual/en/language.references.pass.php

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What is the purpose of "&" in this code? richard <noreply@example.com> - 2014-06-14 11:08 -0400
  Re: What is the purpose of "&" in this code? Christoph Michael Becker <cmbecker69@arcor.de> - 2014-06-14 17:57 +0200
  Re: What is the purpose of "&" in this code? bill <william@TechServSys.com> - 2014-06-14 14:32 -0400
  Re: What is the purpose of "&" in this code? Denis McMahon <denismfmcmahon@gmail.com> - 2014-06-14 20:04 +0000
  Re: What is the purpose of "&" in this code? Doug Miller <doug_at_milmac_dot_com@example.com> - 2014-06-15 01:25 +0000

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