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<?php function compare($a, $b) { // Sort by weight, unless disabled. if ($a->region != -1) { $weight = $a->weight - $b->weight; if ($weight) { return $weight; } } // Sort by label. return strcmp($a->label, $b->label); } $a = (object)['region' => 1, 'weight' => 1, 'label' => 'A']; $b = (object)['region' => -1, 'weight' => 2, 'label' => 'A']; $c = (object)['region' => 1, 'weight' => 0, 'label' => 'B']; assert(-1 === compare($a, $b)); assert(-1 === compare($b, $c)); assert(-1 === compare($c, $a));
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