How can PHP scripts be used to restrict access to sensitive information like connection strings?

To restrict access to sensitive information like connection strings in PHP scripts, it is recommended to store such information in a separate configuration file outside of the web root directory. This way, the sensitive information cannot be accessed directly by users through the browser. You can then include this configuration file in your PHP scripts to access the sensitive information securely. 

// config.php
<?php
$servername = "localhost";
$username = "root";
$password = "password";
$dbname = "database";
?>

// index.php
<?php
include_once "config.php";

// Use $servername, $username, $password, $dbname variables to establish database connection
?>

Keywords

PHP scripts restrict access sensitive information connection strings security

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