Online PHP editor | output for dq5v8

@ 2016-06-03T08:42:40Z

<?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 - 8.1.31, 8.2.0 - 8.2.26, 8.3.0 - 8.3.15, 8.4.1 - 8.4.2: 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"

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