3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = function ($num) { echo (5 + $num); } $a(8); $a(5); $a(-5);
Output for 5.4.0 - 5.4.23
Parse error: syntax error, unexpected '$a' (T_VARIABLE) in /in/kYq77 on line 7
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected T_VARIABLE in /in/kYq77 on line 7
Process exited with code 255.
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178.42 ms | 1394 KiB | 60 Q