DDC-1592: uasort - user function modyfied array #1995

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admin · 2026-01-22T13:37:03+01:00

admin commented

2026-01-22 13:37:03 +01:00

Originally created by @doctrinebot on GitHub (Jan 10, 2012).

Originally assigned to: @beberlei on GitHub.

Jira issue originally created by user gremplus:

$model - Doctrine ORM model with many2one relation to type model

$iterator = $model->getIterator();

$iterator->uasort(function($mps1, $mps2) {

    $display_order1 = (int)$mps1->getType()->getDisplayOrder();
    $display_order2 = (int)$mps2->getType()->getDisplayOrder();

    if($display*order1 === $display*order2) {
        return 0;
    }
    return ($display*order1 < $display*order2) ? -1 : 1;
});

This code return exception:
'ErrorException' with message 'uasort() [function.uasort]: Array was modified by the user comparison function'
After investigation, it was found out that problem is when lazy loading has occured.
If collection is already initialized there is no problem.
Version 2.0 has not this issue.

Originally created by @doctrinebot on GitHub (Jan 10, 2012). Originally assigned to: @beberlei on GitHub. Jira issue originally created by user gremplus: $model - Doctrine ORM model with many2one relation to type model $iterator = $model->getIterator(); ``` $iterator->uasort(function($mps1, $mps2) { $display_order1 = (int)$mps1->getType()->getDisplayOrder(); $display_order2 = (int)$mps2->getType()->getDisplayOrder(); if($display*order1 === $display*order2) { return 0; } return ($display*order1 < $display*order2) ? -1 : 1; }); ``` This code return exception: 'ErrorException' with message 'uasort() [function.uasort]: Array was modified by the user comparison function' After investigation, it was found out that problem is when lazy loading has occured. If collection is already initialized there is no problem. Version 2.0 has not this issue.

admin added the Bug label 2026-01-22 13:37:03 +01:00

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Reference: doctrine/archived-orm#1995