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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 - 8.5.7
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 - 8.3.31, 8.4.9 - 8.4.22
aab Deprecated: Increment on non-alphanumeric string is deprecated in /in/hj3ac on line 8 aaa!
Output for 8.1.34, 8.2.29 - 8.2.31
aabaaa!
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54.59 ms | 627 KiB | 4 Q