3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [ 'a', 'b', 'c' foreach (array(1, 2, 3, 4) as &$value) { $value = $value * 2; }];
Output for 5.4.0 - 5.4.30
Parse error: syntax error, unexpected 'foreach' (T_FOREACH), expecting ']' in /in/NeWXK on line 3
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected '[' in /in/NeWXK on line 3
Process exited with code 255.
preferences:
200.85 ms | 1395 KiB | 67 Q