How can understanding the PHP documentation, specifically regarding functions like func_get_arg(), improve code implementation and troubleshooting?

Understanding the PHP documentation for functions like func_get_arg() can improve code implementation by providing clear guidelines on how to use the function correctly and what to expect as output. It can also help troubleshoot issues by explaining common pitfalls and how to avoid them.

function example_function() {
    $args = func_get_args();
    
    foreach ($args as $arg) {
        echo $arg . "\n";
    }
}

example_function('Hello', 'World', '123');