Are there any potential pitfalls to avoid when using templatesystems in PHP?

One potential pitfall to avoid when using template systems in PHP is the risk of code injection. To prevent this, always sanitize user input before inserting it into the template. 

$user_input = $_POST['user_input'];
$sanitized_input = htmlspecialchars($user_input, ENT_QUOTES, 'UTF-8');
echo "<p>$sanitized_input</p>";

Keywords

template systems PHP security vulnerabilities injection attacks performance optimization

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