3v4l.org

run code in 300+ PHP versions simultaneously
<?php $d = null; var_dump(count($d)); foreach ($d => $o) { echo 'foo'; }
Output for 5.4.0 - 5.4.21
Parse error: syntax error, unexpected '=>' (T_DOUBLE_ARROW) in /in/PAsl9 on line 6
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected T_DOUBLE_ARROW in /in/PAsl9 on line 6
Process exited with code 255.
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193 ms | 1395 KiB | 57 Q