What are the requirements for implementing MySQL authentication in .htaccess files in PHP, and how does it differ for local versus remote connections?

To implement MySQL authentication in .htaccess files in PHP, you will need to create a .htaccess file in the directory you want to protect and set up the authentication rules. For local connections, you can use MySQL user credentials directly in the .htaccess file. For remote connections, you will need to use PHP to connect to MySQL and verify the user credentials before allowing access. 

<?php
$host = 'localhost';
$user = 'username';
$password = 'password';
$database = 'database_name';

$connection = mysqli_connect($host, $user, $password, $database);

if (!$connection) {
    die("Connection failed: " . mysqli_connect_error());
}

Keywords

MySQL authentication .htaccess files PHP local connections remote connections

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