How can JavaScript be utilized to calculate hashes for password transmission in PHP, and what security implications should be considered?

To calculate hashes for password transmission in PHP using JavaScript, you can utilize the SHA-256 algorithm to hash the password on the client-side before sending it to the server. This can help enhance security by ensuring that the password is not transmitted in plain text. However, it's important to note that client-side hashing is not a substitute for server-side hashing and validation. 

<?php
if($_SERVER['REQUEST_METHOD'] == 'POST'){
    $password = $_POST['password'];
    $hashed_password = hash('sha256', $password);
    
    // Validate hashed password and perform further actions
}
?>

Keywords

JavaScript hashes password transmission security implications PHP

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