31 	function get_user_by_username($username) {  argument
32 …$arr = $this->db->fetch_first("SELECT * FROM ".UC_DBTABLEPRE."members WHERE username='$username'");
41 	function check_username($username) {  argument
43 		$len = $this->dstrlen($username);
44 …en > 15 || $len < 3 || preg_match("/\s+|^c:\\con\\con|[%,\*\"\s\<\>\&]|$guestexp/is", $username)) {
69 	function check_mergeuser($username) {  argument
70 …UC_DBTABLEPRE."mergemembers WHERE appid='".$this->base->app['appid']."' AND username='$username'");
74 	function check_usernamecensor($username) {  argument
79 …replace($_CACHE['badwords']['findpattern'], $_CACHE['badwords']['replace'], $username) : $username;
80 		if(($usernamereplaced != $username) || ($censorusername && preg_match($censorexp, $username))) {
87 	function check_usernameexists($username) {  argument
88 …this->db->result_first("SELECT username FROM ".UC_DBTABLEPRE."members WHERE username='$username'");
113 	function check_emailexists($email, $username = '') {  argument
114 		$sqladd = $username !== '' ? "AND username<>'$username'" : '';
119 	function check_login($username, $password, &$user) {  argument
120 		$user = $this->get_user_by_username($username);
129 …function add_user($username, $password, $email, $uid = 0, $questionid = '', $answer = '', $regip =…  argument
135 …$this->db->query("INSERT INTO ".UC_DBTABLEPRE."members SET $sqladd username='$username', password=…
141 …function edit_user($username, $oldpw, $newpw, $email, $ignoreoldpw = 0, $questionid = '', $answer …  argument
142 …t("SELECT username, uid, password, salt FROM ".UC_DBTABLEPRE."members WHERE username='$username'");
165 			$this->db->query("UPDATE ".UC_DBTABLEPRE."members SET $sqladd WHERE username='$username'");
231 	function can_do_login($username, $ip = '') {  argument
235 		$username = substr(md5($username), 8, 15);
242 …his->db->query("SELECT * FROM ".UC_DBTABLEPRE."failedlogins WHERE ip='".$ip."' OR ip='$username'");
244 			if($row['ip'] === $username) {
258 …E INTO ".UC_DBTABLEPRE."failedlogins (ip, count, lastupdate) VALUES ('{$username}', '0', '{$this->…
272 	function loginfailed($username, $ip = '') {  argument
273 		$username = substr(md5($username), 8, 15);
277 …ogins SET count=count+1, lastupdate='".$this->base->time."' WHERE ip='".$ip."' OR ip='$username'");