3v4l.org

run code in 500+ PHP versions simultaneously
<?php $c = 'c'; $c++; echo $c;
Output for 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.34, 8.3.0 - 8.3.35, 8.4.1 - 8.4.26
d
Output for 8.5.0 - 8.5.11
Deprecated: Increment on non-numeric string is deprecated, use str_increment() instead in /in/e1e1r4 on line 5 d

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32.98 ms | 1499 KiB | 9 Q