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<?php $string = str_repeat("Iñtërnâtiônàlizætiøn", 10); echo strlen($string) . "\n"; $result = preg_match( '/\A(?: [\x00-\x7F]+ # ASCII | [\xC2-\xDF][\x80-\xBF] # non-overlong 2-byte | \xE0[\xA0-\xBF][\x80-\xBF] # excluding overlongs | [\xE1-\xEC\xEE\xEF][\x80-\xBF]{2} # straight 3-byte | \xED[\x80-\x9F][\x80-\xBF] # excluding surrogates | \xF0[\x90-\xBF][\x80-\xBF]{2} # planes 1-3 | [\xF1-\xF3][\x80-\xBF]{3} # planes 4-15 | \xF4[\x80-\x8F][\x80-\xBF]{2} # plane 16 )*\z/x', $string ); echo "result: "; var_dump($result); echo "pcre.jit: "; var_dump(ini_get('pcre.jit')); echo "pcre.backtrack_limit: "; var_dump(ini_get('pcre.backtrack_limit')); echo "pcre.recursion_limit: "; var_dump(ini_get('pcre.recursion_limit')); if(defined('PREG_JIT_STACKLIMIT_ERROR')){ assert(preg_last_error() === PREG_JIT_STACKLIMIT_ERROR); }
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
270 result: int(1) pcre.jit: string(1) "1" pcre.backtrack_limit: string(7) "1000000" pcre.recursion_limit: string(6) "100000" Fatal error: Uncaught AssertionError: assert(preg_last_error() === PREG_JIT_STACKLIMIT_ERROR) in /in/uEh29:31 Stack trace: #0 /in/uEh29(31): assert(false, 'assert(preg_las...') #1 {main} thrown in /in/uEh29 on line 31
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 0 270 result: int(1) pcre.jit: string(1) "1" pcre.backtrack_limit: string(7) "1000000" pcre.recursion_limit: string(6) "100000" Fatal error: Uncaught AssertionError: assert(preg_last_error() === PREG_JIT_STACKLIMIT_ERROR) in /in/uEh29:31 Stack trace: #0 /in/uEh29(31): assert(false, 'assert(preg_las...') #1 {main} thrown in /in/uEh29 on line 31
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
270 result: int(1) pcre.jit: string(1) "1" pcre.backtrack_limit: string(7) "1000000" pcre.recursion_limit: string(6) "100000" Warning: assert(): assert(preg_last_error() === PREG_JIT_STACKLIMIT_ERROR) failed in /in/uEh29 on line 31
Output for 5.5.0 - 5.5.36, 5.6.0 - 5.6.28
270 result: int(1) pcre.jit: bool(false) pcre.backtrack_limit: string(7) "1000000" pcre.recursion_limit: string(6) "100000"
preferences:
202.17 ms | 402 KiB | 247 Q