3v4l.org

run code in 300+ PHP versions simultaneously
<?php $k = function () { echo "Hello World"; } $k();
Output for 5.4.0 - 5.4.18
Parse error: syntax error, unexpected '$k' (T_VARIABLE) in /in/u1IcD on line 5
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected T_VARIABLE in /in/u1IcD on line 5
Process exited with code 255.
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182.24 ms | 1395 KiB | 54 Q