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login.php

+<?php
+
+if($_SERVER["REQUEST_METHOD"] == "POST"){
+
+    // retrieve form data
+    $username = $_POST['username'];
+    $password = $_POST['password'];
+
+    // database connection
+
+    $host = "ysjcs.net";
+    $dbusername = "gavin.white";
+    $dbpassword = "F5EKQPXR";
+    $dbname = "gavinwhite_library";
+
+    $conn = new mysqli($host, $dbusername, $dbpassword, $dbname);
+
+    if($conn->connect_error){
+        die("Connection failed: ". $conn->connect_error);
+
+    }
+
+    // Validate Login Details
+    $query = "SELECT * FROM Manager WHERE username='$username' AND password='$password'";
+
+    $result = $conn->query($query);
+
+    if($result ->num_rows == 1){
+        // login success
+        header("Location: success.html");
+        
+    }
+    else{
+        // login failed
+        header("Location: error.html");
+        
+    }
+    $conn->close();
+    exit();
+    
+}