--TEST-- Test preg_match() function : variation --FILE-- <?php /* * proto int preg_match(string pattern, string subject [, array subpatterns [, int flags [, int offset]]]) * Function is implemented in ext/pcre/php_pcre.c */ //test passing in the same variable where 1 is by value, the other is a different //type and by reference so should be updated to the new type. $string = "-1"; preg_match('/[\-\+]?[0-9\.]*/', $string, $string); var_dump($string); ?> ===Done=== --EXPECT-- array(1) { [0]=> string(2) "-1" } ===Done===