3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = []; $a[2] = 22; $a[1] = 11; $a[3] = 33; $a[null] = 0; foreach ($a as $key => $value) { var_dump($key, $value); }
Output for 5.4.0 - 7.1.0
int(2) int(22) int(1) int(11) int(3) int(33) string(0) "" int(0)
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/v24KV on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/v24KV on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/v24KV on line 3
Process exited with code 255.