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<?php $res = preg_match('/^(A{1,2}B)+$/',str_repeat('AB',8192)); if ($res === false) { var_dump(preg_last_error() == PCRE_ERROR_JIT_STACKLIMIT); } ?>
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Fatal error: Uncaught Error: Undefined constant "PCRE_ERROR_JIT_STACKLIMIT" in /in/5u2oQ:4 Stack trace: #0 {main} thrown in /in/5u2oQ on line 4
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Fatal error: Uncaught Error: Undefined constant "PCRE_ERROR_JIT_STACKLIMIT" in /in/5u2oQ:4 Stack trace: #0 {main} thrown in /in/5u2oQ on line 4
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33
Warning: Use of undefined constant PCRE_ERROR_JIT_STACKLIMIT - assumed 'PCRE_ERROR_JIT_STACKLIMIT' (this will throw an Error in a future version of PHP) in /in/5u2oQ on line 4 bool(false)
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20
Notice: Use of undefined constant PCRE_ERROR_JIT_STACKLIMIT - assumed 'PCRE_ERROR_JIT_STACKLIMIT' in /in/5u2oQ on line 4 bool(false)
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.40, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28

Process exited with code 139.
Output for 5.4.41 - 5.4.45
preferences:
321.39 ms | 401 KiB | 311 Q