<?php
$string = str_repeat("Iñtërnâtiônàlizætiøn", 100);
echo strlen($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 - 8.1.30, 8.2.0 - 8.2.24, 8.3.0 - 8.3.12
- 2700
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/dq5v8:31
Stack trace:
#0 /in/dq5v8(31): assert(false, 'assert(preg_las...')
#1 {main}
thrown in /in/dq5v8 on line 31
Process exited with code 255. - Output for 7.0.6 - 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
- 2700
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/dq5v8 on line 31
- Output for 7.0.0 - 7.0.5
- 2700
result: bool(false)
pcre.jit: string(1) "1"
pcre.backtrack_limit: string(7) "1000000"
pcre.recursion_limit: string(6) "100000"
- Output for 5.5.0 - 5.5.36, 5.6.0 - 5.6.28
- 2700
result: int(1)
pcre.jit: bool(false)
pcre.backtrack_limit: string(7) "1000000"
pcre.recursion_limit: string(6) "100000"
preferences:
82.09 ms | 410 KiB | 5 Q