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<?php error_reporting(~0); $a = array(array(), 1, (object) array(), INF); sort($a); print_r($a);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Notice: Object of class stdClass could not be converted to int in /in/LrP9O on line 4 Notice: Object of class stdClass could not be converted to float in /in/LrP9O on line 4 Array ( [0] => 1 [1] => Array ( ) [2] => stdClass Object ( ) [3] => INF )
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.7, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33
Notice: Object of class stdClass could not be converted to int in /in/LrP9O on line 4 Array ( [0] => stdClass Object ( ) [1] => 1 [2] => INF [3] => Array ( ) )
Output for 4.3.6 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5
Array ( [0] => 1 [1] => INF [2] => stdClass Object ( ) [3] => Array ( ) )
Output for 4.3.0 - 4.3.5
Notice: Use of undefined constant INF - assumed 'INF' in /in/LrP9O on line 3 Array ( [0] => INF [1] => 1 [2] => stdClass Object ( ) [3] => Array ( ) )

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231.29 ms | 401 KiB | 308 Q