3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x[] = 0.; $x[] = 1.; $x[] = -1.; $x[] = INF; $x[] = -INF; sort($x); print_r($x);
Output for 4.3.6 - 4.3.11, 4.4.0 - 4.4.9, 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 - 5.6.40, 7.0.0 - 7.0.33, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Array ( [0] => -INF [1] => -1 [2] => 0 [3] => 1 [4] => INF )
Output for 4.3.0 - 4.3.5
Notice: Use of undefined constant INF - assumed 'INF' in /in/BKOUs on line 6 Notice: Use of undefined constant INF - assumed 'INF' in /in/BKOUs on line 7 Array ( [0] => -1 [1] => 0 [2] => INF [3] => 0 [4] => 1 )
preferences:
284.55 ms | 402 KiB | 459 Q