On 19.11.2019 at 14:25, Falko Matthies wrote: > just found out, that function preg_match() returns not only 1 or boolean values. I did not find any documentation about > some changes of this method and also the documentation is still the same. So either there are undocumented changes or it > is a small bug. > > Documentation: https://www.php.net/manual/en/function.preg-match.php#refsect1-function.preg-match-returnvalues > > Tested locally with PHP 7.3.11-1+0~20191026.48+debian10~1.gbpf71ca0 > > <?php > var_dump(preg_match('/^|\d{1,2}$/', "7")); // expected: int(1), got: int(2) > > > Also a small test at http://sandbox.onlinephpfunctions.com/ showed a result change between PHP v7.2.18 and v7.3.5. I > have checked the bugs and the changelog but could not find any notes. This also happens on <https://3v4l.org/cKarY>, but only as of 7.3.0 (not 7.2). On a quick glance, it looks like this line[1] should rather be RETVAL_LONG(global ? matched : MIN(matched, 1)); Anyhow, I suggest to file a bug report on <https://bugs.php.net/> (assuming that this issue has not been reported already). [1] <https://github.com/php/php-src/blob/php-7.3.11/ext/pcre/php_pcre.c#L1413> -- Christoph M. Becker
