Bug #77923 [NEW]: preg_* function cannot get correct result

From: Date: Fri, 19 Apr 2019 11:23:20 +0000
Subject: Bug #77923 [NEW]: preg_* function cannot get correct result
Groups: php.bugs 
Request: Send a blank email to php-bugs+get-220527@lists.php.net to get a copy of this message
From:             2317216477 at qq dot com
Operating system: any
PHP version:      7.2.18RC1
Package:          PCRE related
Bug Type:         Bug
Bug description:preg_* function cannot get correct result

Description:
------------
preg_* function cannot get correct result in php7.0~7.2 sometimes

the test string is too long so I put a test script on my github
page(https://github.com/icy2003/php/blob/master/samples/php7preg_bug.php)

you can test this script on this website:https://3v4l.org/,or you
can
install php 7.0~7.2 in local environment

Test script:
---------------
https://github.com/icy2003/php/blob/master/samples/php7preg_bug.php

Expected result:
----------------
my pattern expected some results but in php7.0~7.2 it will be empty
array!!

you can use "ini_set" and set "pcre.jit" to 0 before preg_* functions to
fix the problem


-- 
Edit bug report at https://bugs.php.net/bug.php?id=77923&edit=1
-- 
Try a snapshot (PHP 5.4):   https://bugs.php.net/fix.php?id=77923&r=trysnapshot54
Try a snapshot (PHP 5.5):   https://bugs.php.net/fix.php?id=77923&r=trysnapshot55
Try a snapshot (trunk):     https://bugs.php.net/fix.php?id=77923&r=trysnapshottrunk
Fixed in SVN:               https://bugs.php.net/fix.php?id=77923&r=fixed
Fixed in release:           https://bugs.php.net/fix.php?id=77923&r=alreadyfixed
Need backtrace:             https://bugs.php.net/fix.php?id=77923&r=needtrace
Need Reproduce Script:      https://bugs.php.net/fix.php?id=77923&r=needscript
Try newer version:          https://bugs.php.net/fix.php?id=77923&r=oldversion
Not developer issue:        https://bugs.php.net/fix.php?id=77923&r=support
Expected behavior:          https://bugs.php.net/fix.php?id=77923&r=notwrong
Not enough info:            https://bugs.php.net/fix.php?id=77923&r=notenoughinfo
Submitted twice:            https://bugs.php.net/fix.php?id=77923&r=submittedtwice
register_globals:           https://bugs.php.net/fix.php?id=77923&r=globals
PHP 4 support discontinued: https://bugs.php.net/fix.php?id=77923&r=php4
Daylight Savings:           https://bugs.php.net/fix.php?id=77923&r=dst
IIS Stability:              https://bugs.php.net/fix.php?id=77923&r=isapi
Install GNU Sed:            https://bugs.php.net/fix.php?id=77923&r=gnused
Floating point limitations: https://bugs.php.net/fix.php?id=77923&r=float
No Zend Extensions:         https://bugs.php.net/fix.php?id=77923&r=nozend
MySQL Configuration Error:  https://bugs.php.net/fix.php?id=77923&r=mysqlcfg



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