如何使用PHP将密码重置为默认值

Question

<?php 
 include("db_conection.php");  
if(isset($_POST['ForgotSubmit'])) 
{ 

    session_start();
    echo $admin_name=$_POST['admin_name'];  
         $pass_identity=$_POST['pass_identity']; 

    $admin_query="select * from admin where admin_name='$admin_name' AND pass_identity='$pass_identity'";
    $$sql = "UPDATE admin SET admin_pass='password' WHERE admin_name = '$admin_name'";
    $run_query=mysqli_query($dbcon,$admin_query);  
    if(mysqli_num_rows($run_query)>0)  
        {  
            if($admin_name == "admin"){
             echo "<script>alert('Your password is now set to *password*.'); window.location='Admin-Secu-Login.php'</script>";}
            if($admin_name == "security"){
            echo "<script>alert('Your password is now set to *password*'); window.location='Secy-Account-Details.php'</script>";}
        }  
    else {echo"<script>alert('Does not match.')</script>";}
    } 
?>

我想将密码重置为默认值。我需要做的第一件事是正确回答安全问题，但是当我单击该按钮时，它不会在数据库中没有更改pls help

Answer 1

此行： $$sql = "UPDATE admin SET admin_pass='password' WHERE admin_name = '$admin_name'";(=> $ sql(您尚未使用此命令

...

if($admin_name == "admin"){
   $run_query=mysqli_query($dbcon,$sql);  //add this line
         echo "<script>alert('Your password is now set to    *password*.'); window.location='Admin-Secu-Login.php'</script>";}