php语法结合mysql语法从数据库中删除记录

  

如何利用php语法+mysql语法从数据库中删除指定数据,下面编程教程网小编给大家简单介绍一下具体实现代码!

代码示列如下:

<?php
$host = "localhost";
$user = "username";
$password = "password";
$db_name = "database_name";
 
$conn = mysqli_connect($host, $user, $password, $db_name);
 
if(mysqli_affected_rows($conn) === -1) {
  die("Error: Connection failed!");
}
 
$table_name = "users";
$id = $_GET['id'];
 
$sql = "DELETE FROM $table_name WHERE id = $id"; //删除指定id
 
$result = mysqli_query($conn, $sql);
 
if(!$result) {
  die("Error: Could not delete record!");
}
 
mysqli_close($conn);
?>
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