Bug #78853 [NEW]: preg_match() may return integer > 1

From: cmb Operating system: * PHP version: 7.3.12 Package: PCRE related Bug Type: Bug Bug description:preg_match() may return integer > 1 Description: ------------ As of PHP 7.3.0, preg_match() may return an integer greater than one on success[1], although the documentation states[2]: | preg_match() returns 1 if the pattern matches given subject, […] This issue has been reported by Falko Matthies. [1] <https://3v4l.org/cKarY> [2] <https://www.php.net/manual/en/function.preg-match.php#refsect1-function.preg-match-returnvalues> Test script: --------------- var_dump(preg_match('/^|\d{1,2}$/', "7")); Expected result: ---------------- int(1) Actual result: -------------- int(2) -- Edit bug report at https://bugs.php.net/bug.php?id=78853&edit=1 -- Fix committed: https://bugs.php.net/fix.php?id=78853&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=78853&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=78853&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=78853&r=needscript Try newer version: https://bugs.php.net/fix.php?id=78853&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=78853&r=support Expected behavior: https://bugs.php.net/fix.php?id=78853&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=78853&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=78853&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=78853&r=globals PHP version support discontinued: https://bugs.php.net/fix.php?id=78853&r=phptooold Daylight Savings: https://bugs.php.net/fix.php?id=78853&r=dst IIS Stability: https://bugs.php.net/fix.php?id=78853&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=78853&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=78853&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=78853&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=78853&r=mysqlcfg