What are some best practices for including variables in HTML templates using PHP?

When including variables in HTML templates using PHP, it is important to properly escape the variables to prevent any security vulnerabilities such as cross-site scripting attacks. One common method to achieve this is by using htmlspecialchars() function to encode the variable before outputting it in the HTML template. 

<?php
// Example variable
$name = "<script>alert('XSS attack!')</script>";

// Escaping the variable before outputting in HTML
echo "<p>Hello, " . htmlspecialchars($name) . "</p>";
?>

Keywords

PHP HTML templates variables escaping security

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