3v4l.org

run code in 300+ PHP versions simultaneously
<?php $twiceIt = fn($x) => $x*3; echo $twiceIt(2);
Output for 7.4.4 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
6
Output for 7.1.25 - 7.1.32, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
Parse error: syntax error, unexpected '=>' (T_DOUBLE_ARROW) in /in/JpFJl on line 3
Process exited with code 255.
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106.09 ms | 1455 KiB | 4 Q