How can PHP developers protect sensitive information, such as passwords, within PHP files on a web server?

PHP developers can protect sensitive information, such as passwords, within PHP files on a web server by storing the information in a separate configuration file outside of the web root directory. This prevents direct access to the file via a URL and reduces the risk of exposure. Additionally, developers can use encryption techniques to further secure the sensitive information. 

<?php
// config.php
define('DB_HOST', 'localhost');
define('DB_USER', 'username');
define('DB_PASS', 'password');
define('DB_NAME', 'database_name');
?>

Keywords

encryption hashing secure coding environment variables password security

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