Most of the websites are providing sing up and login facility to the user. User has to create a password and use it for login to the website. But it is very important to secure the password of the user. password_hash() function provides the facility to securely store the password of the user to the database.

Syntax

password_hash(Password, PASSWORD_DEFAULT)

Example: First parameter Password will contain the normal password. The second Parameter will contain PASSWORD_BCRYPT to make secure otherwise it contains PASSWORD_DEFAULT as default. Let’s see the example to understand properly.

• dbconn.php
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  <?php     $db_host = "localhost";   $db_name = "secure_pass";   $db_pass = "";   $db_user = "root";      $conn = mysqli_connect($db_host, $db_user, $db_pass, $db_name);      if (!$conn){     die ('Failed to connect with server');   }     ?>

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• Signup Form:
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  <form action="index.php" method="POST">   <label for="username">Username</label>   <input type="text" name="username" required><br><br>      <label for="password">Password</label>   <input type="password" name="password" required><br><br>   <input type="submit" name="submit" value="submit">     </form>

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• index.php
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  <?php     //Include database connection file   include 'dbconn.php';      if (isset($_POST['submit'])){     $username = $_POST['username'];        // Normal Password     $pass = $_POST['password'];         // Securing password using password_hash     $secure_pass = password_hash($pass, PASSWORD_BCRYPT);        $sql = "INSERT INTO login_tb (u_username, u_password)     VALUES('$username', '$secure_pass')";     $result = mysqli_query($conn, $sql);   }       // Include HTML sign up form   include 'signup_form.php'; ?>

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• Outout:Password In Database.