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run code in 500+ PHP versions simultaneously
<?php $a = 'aaa'; echo ++$a; $a = 'aaa!'; echo ++$a;
Output for 8.5.0 - 8.5.8
Deprecated: Increment on non-numeric string is deprecated, use str_increment() instead in /in/hj3ac on line 4 aab Deprecated: Increment on non-numeric string is deprecated, use str_increment() instead in /in/hj3ac on line 8 aaa!
Output for 8.3.5 - 8.3.32, 8.4.9 - 8.4.23
aab Deprecated: Increment on non-alphanumeric string is deprecated in /in/hj3ac on line 8 aaa!
Output for 8.1.34, 8.2.29 - 8.2.32
aabaaa!
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59.62 ms | 643 KiB | 4 Q