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<?php $a = array(new stdClass()); $a[0]->state = true; $b = array_values($a); $b[0]->state = false; var_dump($a, $b);
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.29, 8.2.0 - 8.2.20, 8.3.0 - 8.3.8
array(1) { [0]=> object(stdClass)#1 (1) { ["state"]=> bool(false) } } array(1) { [0]=> object(stdClass)#1 (1) { ["state"]=> bool(false) } }

preferences:
175.38 ms | 405 KiB | 217 Q