完整的PDO连接数据库小案例
database.php
<?php return [ 'type'=>'mysql', 'host'=>'127.0.0.1', 'dbname'=>'php', 'username'=>'root', 'password'=>'root' ];
connect.php
<?php
$db=require 'database.php';
$dsn="{$db['type']}:host={$db['host']};dbname={$db['dbname']}";
$username=$db['username'];
$password=$db['password'];
try{
$pdo=new PDO($dsn,$username,$password);
var_dump($pdo);
$pdo=null;
}catch(PDOException $e){
die("连接失败".$e->getMessage());
}
