3v4l.org

run code in 300+ PHP versions simultaneously
<?php $n = array('E1', 'E2', 'E4','E5','E0','E9','E8'); natsort($n); print_r($n); reset($n); print_r($n); usort ($n , function($a,$b){ return strnatcmp($a,$b); }); print_r($n);
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Array ( [4] => E0 [0] => E1 [1] => E2 [2] => E4 [3] => E5 [6] => E8 [5] => E9 ) Array ( [4] => E0 [0] => E1 [1] => E2 [2] => E4 [3] => E5 [6] => E8 [5] => E9 ) Array ( [0] => E0 [1] => E1 [2] => E2 [3] => E4 [4] => E5 [5] => E8 [6] => E9 )
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/JBOaM on line 10
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/JBOaM on line 10
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/JBOaM on line 10
Process exited with code 255.
preferences:
238.97 ms | 401 KiB | 354 Q