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<?php $entity_a = new stdClass; $entity_a->weight = 32; $entity_a->label = 'foo'; $entity_b = clone $entity_a; $entity_b->label = 'bar'; $list = array($entity_a, $entity_b); usort($list, 'xsort'); echo var_dump($entity_b); echo var_dump($list[0]); if ($entity_b === $list[0]) { echo 'success'; } function xsort($a, $b) { $a_weight = isset($a->weight) ? $a->weight : 0; $b_weight = isset($b->weight) ? $b->weight : 0; if ($a_weight == $b_weight) { echo 'yay'; $a_label = $a->label; $b_label = $b->label; return strnatcasecmp($a_label, $b_label); } return ($a_weight < $b_weight) ? -1 : 1; }
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
yayobject(stdClass)#2 (2) { ["weight"]=> int(32) ["label"]=> string(3) "bar" } object(stdClass)#2 (2) { ["weight"]=> int(32) ["label"]=> string(3) "bar" } success
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_VARIABLE in /in/oL6vC on line 7
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_VARIABLE in /in/oL6vC on line 7
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/oL6vC on line 7
Process exited with code 255.

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