[Tickets #10965] Re: call-time pass-by-reference in Horde_Auth

[bugs at horde.org]

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Ticket URL: http://bugs.horde.org/ticket/10965
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  Ticket             | 10965
  Updated By         | math.parent at gmail.com
  Summary            | call-time pass-by-reference in Horde_Auth
  Queue              | Horde Framework Packages
  Version            | Git master
  Type               | Enhancement
  State              | Rejected
  Priority           | 2. Medium
  Milestone          |
  Patch              |
  Owners             |
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math.parent at gmail.com (2012-02-07 17:46) wrote:

This is not pass-by-reference which is deprecated but call-time  
pass-by-reference.

i.e:
function foo(&$arg) { }
is accepted

but
$var = foo(&$arg)
is not in php 5.4.

According to source [1] and doc [2], argument &$error of pam_auth and  
pam_chpass, is passed by reference.

So
pam_auth($username, $password , $error)
and pam_auth($username, $password , &$error)
are equivalent, but the second form will throw a fatal error on php 5.4.

[1]: http://svn.php.net/viewvc/pecl/pam/trunk/pam.c?view=markup
[2]: http://svn.php.net/viewvc/pecl/pam/trunk/README?view=markup