What best practices should be followed when creating a loader script in PHP?

When creating a loader script in PHP, it is important to follow best practices to ensure efficiency and security. One key practice is to use autoloading to dynamically load classes only when they are needed, reducing memory usage and improving performance. Additionally, it is recommended to sanitize input data to prevent SQL injection and other security vulnerabilities. Finally, avoid using deprecated functions and keep the codebase updated to maintain compatibility with newer PHP versions. 

// Autoload classes using spl_autoload_register
spl_autoload_register(function ($class) {
    include 'classes/' . $class . '.php';
});

// Sanitize input data to prevent SQL injection
$input = filter_input(INPUT_POST, 'input', FILTER_SANITIZE_STRING);

// Avoid using deprecated functions
// Use mysqli or PDO for database operations instead of mysql functions

Keywords

autoload spl_autoload_register composer PSR-4 namespace

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