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<?php $arr = array(-INF, 7, INF, array(), 3, (object)array()); sort($arr); var_dump($arr);
Output for 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 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
array(6) { [0]=> float(-INF) [1]=> int(3) [2]=> int(7) [3]=> float(INF) [4]=> array(0) { } [5]=> object(stdClass)#1 (0) { } }
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Notice: Object of class stdClass could not be converted to double in /in/WrMg9 on line 4 Notice: Object of class stdClass could not be converted to int in /in/WrMg9 on line 4 Notice: Object of class stdClass could not be converted to int in /in/WrMg9 on line 4 Notice: Object of class stdClass could not be converted to double in /in/WrMg9 on line 4 array(6) { [0]=> float(-INF) [1]=> object(stdClass)#1 (0) { } [2]=> int(3) [3]=> int(7) [4]=> float(INF) [5]=> array(0) { } }

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