How to make a form of PHP authorization

Create a secure login form for your website using PHP. Example included!

PHP Authorization Form

Creating a secure and reliable authorization form with PHP is an important part of any website or application. Authentication forms provide a way for users to log into their accounts and access the data and features of the website or application. Here is an example of a secure and reliable authorization form that can be used for any website or application:

<form action="process_form.php" method="post">
  <label for="username">Username</label>
  <input type="text" name="username" id="username">
  <label for="password">Password</label>
  <input type="password" name="password" id="password">
  <input type="submit" value="Log In">
</form>

The above form is a basic example of a PHP authorization form. It consists of two input fields, one for the user's username and one for their password. The form also has a submit button, which will submit the form data and process it. When the form is submitted, the data is sent to a PHP file that will check the username and password against a database of user accounts.

In the PHP file, the username and password are first checked against the user accounts in the database. If the username and password match, the user is granted access to the website or application. If the username and password do not match, the user is not granted access and an error message is displayed.

<?php

// Get username and password from form
$username = $_POST['username'];
$password = $_POST['password'];

// Connect to database
$conn = mysqli_connect("host", "username", "password", "database");

// Query database for user
$query = "SELECT * FROM users WHERE username = '$username' AND password = '$password'";
$result = mysqli_query($conn, $query);

// Check if user exists
if(mysqli_num_rows($result) == 1) {
  // User exists, grant access
  // Redirect user to dashboard
  header("location: dashboard.php");
} else {
  // User does not exist, display error
  echo "<p>Username or password is incorrect.</p>";
}

?>

The above code is an example of how to process the form data and authenticate the user. The code checks if the username and password that were submitted match the user accounts stored in the database. If they match, the user is granted access and redirected to the dashboard. If they do not match, an error message is displayed.

Creating a secure and reliable authorization form with PHP is an important part of any website or application. By following the steps outlined above, you can create a secure and reliable authorization form that will protect user accounts and keep the website or application secure.