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run code in 300+ PHP versions simultaneously
<?php $a='z'; $a++; echo $a; $a++; echo $a; $a='az'; $a++; echo $a;
Output for 8.5.0
Deprecated: Increment on non-numeric string is deprecated, use str_increment() instead in /in/q2SSR on line 4 aa Deprecated: Increment on non-numeric string is deprecated, use str_increment() instead in /in/q2SSR on line 6 ab Deprecated: Increment on non-numeric string is deprecated, use str_increment() instead in /in/q2SSR on line 9 ba
Output for 8.4.15
/bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
Output for 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 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14
aaabba

preferences:
195.83 ms | 411 KiB | 5 Q