与pdo建立数据库连接的类

Question

<?php
class Database{
    private $hostdb="localhost";
    private $userdb = "root";
    private $passdb = "";
    private $namedb = "database"
    public $pdo;

    public function __construct(){
        if(!isset($this->pdo)) {
            try{
                $link = new PDO("mysql:host=".$this->hostdb.";dbname=".$this->namedb, $this->userdb, $this->passdb);
                $link->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
                $link->exec("SET CHARACTER SET utf8");
                $this->pdo = $link;
            }catch(PDOException $e){
                die("failed to connect with database".$e->getMessage());
            }   

        }
    }
}

？>`

  

解析错误：语法错误，意外的“ public”（T_PUBLIC），期望为“，”或“;”在第7行的C：\ xampp \ htdocs \ lr \ lib \ Database.php中

Answer 1

缺少分号：

private $namedb = "database" ; // <--