3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = ['a', 2 => 'c']; var_dump(array_merge($a, ['d', 'e'));
Output for 5.4.0 - 5.4.31
Parse error: syntax error, unexpected ')', expecting ']' in /in/oFZGe on line 7
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.28
Parse error: syntax error, unexpected '[' in /in/oFZGe on line 6
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/oFZGe on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/oFZGe on line 6
Process exited with code 255.
preferences:
226.07 ms | 1395 KiB | 121 Q