Named arguments in PHP 5.4

named_args.php

<?php

function named_args($required, $options = [])
{
    extract($options + [
        'option_one' => false,
        'option_two' => true,
        'option_three' => 100,
    ]);

    if ($option_one) {
        // Code...
    }
}


named_args('foo.csv', ['option_one' => true]);