Segmentation fault using PHP 5.3.6 :/

uksort_fault.php

<?php

$list = array(
    array(
        'idCliente' => 12,
    ),
    array(
        'idCliente' => 2,
    ),
    array(
        'idCliente' => 8,
    ),
    array(
        'idCliente' => 20,
    ),
    array(
        'idCliente' => 2,
    ),
    array(
        'idCliente' => 65,
    ),
    array(
        'idCliente' => 75,
    ),
    array(
        'idCliente' => 7,
    ),
);

uksort($list, function($a, $b) use($list) {
    if ($list[$a]['idCliente'] == $list[$b]['idCliente']) {
        return 0;
    }

    return ($list[$a]['idCliente'] > $list[$b]['idCliente']) ? 1 : -1;
});

echo '<pre>';
print_r($list);