3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [1, 2, 3]; echo implode(',', $array), "\n"; foreach ($array as &$value) {} // by reference echo implode(',', $array), "\n"; foreach ($array as $value) {} // by value (i.e., copy) echo implode(',', $array), "\n";>
Output for 5.4.0 - 5.4.30
Parse error: syntax error, unexpected '>' in /in/5BXPP on line 10
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected '[' in /in/5BXPP on line 3
Process exited with code 255.

preferences:
184.43 ms | 1395 KiB | 67 Q