What are the benefits and drawbacks of passing parameters to a link in PHP for executing a function?

Passing parameters to a link in PHP for executing a function can be useful for creating dynamic and interactive web applications. However, it can also pose security risks if the parameters are not properly sanitized and validated. It is important to carefully handle user input to prevent vulnerabilities such as SQL injection or cross-site scripting attacks.

<?php
// Example of passing parameters to a link in PHP
$param1 = $_GET['param1']; // Retrieve parameter from URL
$param2 = $_GET['param2']; // Retrieve parameter from URL

// Sanitize and validate parameters before using them
$param1 = filter_var($param1, FILTER_SANITIZE_STRING);
$param2 = filter_var($param2, FILTER_VALIDATE_INT);

// Execute function with parameters
function executeFunction($param1, $param2) {
    // Function logic here
}

executeFunction($param1, $param2);
?>