3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = '2d8'; print "$x\n"; $x++; print "$x\n"; $x++; print "$x\n"; $x++; print "$x\n";
Output for 8.5.0 - 8.5.3
2d8 Deprecated: Increment on non-numeric string is deprecated, use str_increment() instead in /in/JCMlK on line 6 2d9 Deprecated: Increment on non-numeric string is deprecated, use str_increment() instead in /in/JCMlK on line 9 2e0 3
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 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
2d8 2d9 2e0 3
preferences:
155.5 ms | 410 KiB | 5 Q