3v4l.org

run code in 300+ PHP versions simultaneously
<?php print_r(array('foo' => 'bar') + array('foo' => 'baz')); print_r(array_merge(array('foo' => 'bar'), array('foo' => 'baz'));
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, 5.4.0 - 5.4.34
Parse error: syntax error, unexpected ';' in /in/2IVK3 on line 5
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/2IVK3 on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/2IVK3 on line 5
Process exited with code 255.
preferences:
230.42 ms | 1395 KiB | 124 Q