What are the best practices for implementing sorting functionality in PHP applications?

When implementing sorting functionality in PHP applications, it is important to use built-in functions like `sort()` or `asort()` for arrays, or `usort()` for custom sorting criteria. It is also recommended to sanitize user input to prevent SQL injection or other security vulnerabilities. Additionally, consider implementing pagination for large datasets to improve performance.

// Example code for sorting an array of numbers in ascending order using sort()
$numbers = [5, 2, 8, 1, 9];
sort($numbers);
print_r($numbers);