3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [['foo' => 'bar'],['foo'] => ['bar']]; print_r($array);
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28
Warning: Illegal offset type in /in/pAvTc on line 3 Array ( [0] => Array ( [foo] => bar ) )
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/pAvTc on line 3
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 '[' in /in/pAvTc on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/pAvTc on line 3
Process exited with code 255.
preferences:
228.09 ms | 1399 KiB | 163 Q