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class Registration{
	protected $data;
        protected $linc = "reg.php";
        protected $v_log;
        protected $query_login;
        protected $v_pass;
        protected $v_r_pass;
        protected $v_pass_r_pass;
        protected $v_mail;
    public function __construct() {
		$this->data = array('login'=> NULL, 'password'=> NULL, 'r_password'=> NULL, 'mail'=> NULL);
                foreach($this->data as $key => $val) {
                $this->data[$key] = $_POST[$key];
				}
                $this->v_log = $this->ver_login($this->data['login']);
                $this->v_pass = $this->ver_pass($this->data['password']);
                $this->v_r_pass = $this->ver_r_pass($this->data['r_password']);
                $this->v_pass_r_pass = $this->ver_pass_r_pass($this->data['password'],$this->data['r_password']);
                $this->v_mail = $this->ver_mail($this->data['mail']);
                $this->error_reporting($this->v_log,$this->v_pass,$this->v_r_pass,$this->v_pass_r_pass,$this->v_mail,  $this->error_log($this->linc));
	}
	    protected function error_log($linc){
            return("<p>В поле  введены неверные данные!</p></br>"
                    . "<form action='$linc' metod='get'>"
                    . "<p>Вернуться и проверить<input type = 'submit' value = 'вернуться'></p>"
                    . "</form>");
        }
        protected function ver_login($login) {
            if(empty($login) or (!preg_match("/^\A(\w){6,20}\Z/", $login))) {
                $login = FALSE;
                unset($login);
            }else{
                $login == TRUE;
                $this->ver_db($login);
                return($login);
            }
        }
        protected function ver_db($log) {
            $q = mysql_query("SELECT id FROM users WHERE login = '$log'");
            $f = mysql_fetch_array($q);
            if(empty($f['id']) or $f['id'] == '') {
                return($log);
            }else{
            echo('Есть такой');
            }
        }
        protected function ver_pass($pass) {
            if(empty($pass) or (!preg_match("/^\A(\w){6,20}\Z/", $pass))) {
                $pass == FALSE;
                unset($pass);
            }else {
                $pass == TRUE;
                $pass = md5($pass);
                return($pass);
            }
        }
        protected function ver_r_pass($r_pass) {
            if(empty($r_pass) or (!preg_match("/^\A(\w){6,20}\Z/", $r_pass))) {
                $r_pass == FALSE;
                unset($r_pass);
            }else {
                $r_pass == TRUE;
                $r_pass = md5($r_pass);
                return($r_pass);
            }
        }
        protected function ver_pass_r_pass($pass,$r_pass) {
            if($pass != $r_pass) {
                return(FALSE);
            }else {
                return (TRUE);
            }
        }
        protected function ver_mail($mail) {
            if(empty($mail) or (!preg_match("/^[a-zA-Z0-9_\.\-]+@([a-zA-Z0-9\-]+\.)+[a-zA-Z]{2,6}$/", $mail))) {
                $mail == FALSE;
                unset($mail);
            }else {
                $mail == TRUE;
                return($mail);
            }
        }
        protected function reg_ins($log,$pass,$mail) {
            $date = date("d.m.y");
            $const = ACCES_KEY_DEFAULT;
            $ins_query = "INSERT INTO users(login,password,mail,date,acces) VALUES ('$log','$pass','$mail','$date','$const')";
            $insert = mysql_query($ins_query);
            if(!$insert){
                    echo('error');
                } else {
                    echo('ok');
                }
        }
        protected function error_reporting($log,$pass,$r_pass,$pass_r_pass,$mail,$error) {
            if($log == FALSE or $pass == FALSE or $r_pass == FALSE or $pass_r_pass == FALSE or $mail == FALSE){
                echo($error);
            } else {
                //выполняем если все данные введены верно
                $this->reg_ins($log, $pass, $mail);
            }