php_mb_rfc1867_substring_conf 1161 ext/mbstring/mbstring.c 		return php_mb_rfc1867_substring_conf(encoding, str, strlen(str), quote);
php_mb_rfc1867_substring_conf 1168 ext/mbstring/mbstring.c 		return php_mb_rfc1867_substring_conf(encoding, str, strend - str, 0);