How can PHP be used to restrict script access to specific entry points within a website?

To restrict script access to specific entry points within a website using PHP, you can check for certain conditions or parameters before allowing the script to execute. This can be done by using PHP's conditional statements or by implementing access control mechanisms such as authentication and authorization. 

// Check if the user is logged in before allowing access to a specific entry point
session_start();
if(!isset($_SESSION['user_id'])) {
    // Redirect to login page or display an error message
    header("Location: login.php");
    exit();
}

// Allow access to the entry point if the user is logged in
// Your entry point code here

Keywords

PHP script access specific entry points website restriction

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