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Bug #16778 usort and uasort work only if you give them your array BY REFERENCE.
Submitted: 2002-04-23 20:09 UTC Modified: 2002-04-23 22:27 UTC
From: jeremy at titr dot uow dot edu dot au Assigned:
Status: Closed Package: Arrays related
PHP Version: 4.1.2 OS: Linux
Private report: No CVE-ID: None
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From: jeremy at titr dot uow dot edu dot au
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 [2002-04-23 20:09 UTC] jeremy at titr dot uow dot edu dot au 
The following code doesn't work :

$received_array = uasort($send_array,"mycmp")
$received_array isn't a correct array (but the integer 1 in general)

Where if I do this :

$received_array = uasort(&$send_array,"mycmp")
$received_array is still not correct, but $send_array has been sorted.

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 [2002-04-23 20:23 UTC] sniper@php.net 
The proto in PHP 4.2.0 for this function is:

bool uasort ( array array, function cmp_function)

Which means, that the fuction only returns TRUE or FALSE
depending whether it succeeded or not.
Please update to PHP 4.2.0 first.

--Jani
 [2002-04-23 20:24 UTC] sniper@php.net 
And please add a complete, short script which can be used
to reproduce the problem.

--Jani
 [2002-04-23 22:14 UTC] jeremy at titr dot uow dot edu dot au 
Shame on me ... I don't know how to read the php manual.

In the manual, uasort returns a void ... and NOT the sorted array.

Sorry guys, I was tired yesterday night when I tried for 2 hours to make this sort working.

I don't think there is a need for a script any more no ?

Thanks Jani
 [2002-04-23 22:27 UTC] sniper@php.net 
Let's close this then.

--Jani
 
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