How to implement PDO-based preprocessing in PHP-PHP Tutorial-php.cn

How to implement PDO-based preprocessing in PHP

墨辰丷

Release： 2023-03-27 19:32:01

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This article mainly introduces the implementation of PDO-based preprocessing in PHP, and analyzes the relevant operating techniques and precautions in PDO implementation of PDO preprocessing in the form of examples. Friends in need can refer to the following

Examples of this article Use PDO to implement PDO-based preprocessing. Share it with everyone for your reference, the details are as follows:

$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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