Bug #78853 [Asn->Csd]: preg_match() may return integer > 1

Edit report at https://bugs.php.net/bug.php?id=78853&edit=1 ID: 78853 Updated by: cmb@php.net Reported by: cmb@php.net Summary: preg_match() may return integer > 1 -Status: Assigned +Status: Closed Type: Bug Package: PCRE related Operating System: * PHP Version: 7.3.12 Assigned To: cmb Block user comment: N Private report: N New Comment: Automatic comment on behalf of cmbecker69@gmx.de Revision: http://git.php.net/?p=php-src.git;a=commit;h=e1da72bdf18aa3d413c5324bccfd8dc521c217e3 Log: Fix #78853: preg_match() may return integer &gt; 1 Previous Comments: ------------------------------------------------------------------------ [2019-11-21 11:51:48] cmb@php.net 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 this bug report at https://bugs.php.net/bug.php?id=78853&edit=1