Bug #63651 [NEW]: preg_replace() returns null for very long string

From: magog dot the dot ogre at gmail dot com Operating system: Windows, Unix PHP version: 5.3.19 Package: *Regular Expressions Bug Type: Bug Bug description:preg_replace() returns null for very long string Description: ------------ I have tested and gotten this error on the following two distros: *5.3.19 for Windows *5.3.8 for SunOS Run the code at the pastebin link I've provided. You will see that PHP is returning null in a preg_replace function! It occurs in both Windows and Unix. I do not know if this is a PHP problem, or a PCRE problem. Test script: --------------- http://pastebin.com/PBCDexXH Expected result: ---------------- A string should be outputted Actual result: -------------- Instead, a NULL result is outputted. -- Edit bug report at https://bugs.php.net/bug.php?id=63651&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=63651&r=trysnapshot54 Try a snapshot (PHP 5.3): https://bugs.php.net/fix.php?id=63651&r=trysnapshot53 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=63651&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=63651&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=63651&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=63651&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=63651&r=needscript Try newer version: https://bugs.php.net/fix.php?id=63651&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=63651&r=support Expected behavior: https://bugs.php.net/fix.php?id=63651&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=63651&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=63651&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=63651&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=63651&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=63651&r=dst IIS Stability: https://bugs.php.net/fix.php?id=63651&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=63651&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=63651&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=63651&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=63651&r=mysqlcfg