3v4l.org

run code in 300+ PHP versions simultaneously
<?php $f = function($argument){ echo $argument; } $f('hello world');
Output for 5.4.0 - 5.4.4
Parse error: syntax error, unexpected '$f' (T_VARIABLE) in TLqYj on line 5
Process exited with code 255.
Output for 5.3.0 - 5.3.14
Parse error: syntax error, unexpected T_VARIABLE in TLqYj on line 5
Process exited with code 255.
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154.44 ms | 1395 KiB | 27 Q