本文实例讲述了php实现基于PDO的预处理。分享给大家供大家参考，具体如下：
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$servername="localhost";
$username="root";
$password="admin";
//$dbname为我的test数据库
$dbname="test";
try{
$conn=new PDO("mysql:host=$servername;dbname=$dbname",$username,$password);
//设置pdo错误异常处理
$conn->setAttribute(PDO::ATTR_ERRMODE,PDO::ERRMODE_EXCEPTION);
//预处理SQL并绑定参数
$stmt=$conn->prepare("INSERT INTO user(user_first,user_last,age)VALUES(:user_first,:user_last,:age)");
$stmt->bindParam(":user_first",$user_first);
$stmt->bindParam(":user_last", $user_last);
$stmt->bindParam(":age",$age);
//要执行的插入记录
$user_first="xiao";
$user_last="liang";
$age=15;
$stmt->execute();
//要执行的插入记录
$user_first="xiao";
$user_last="cheng";
$age=23;
$stmt->execute();
echo "News record created successfully!";
}catch(PDOException $e){
echo "Error:".$e->getMessage();
}
$conn=null;
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希望本文所述对大家PHP程序设计有所帮助。