PHP: Return string of origin year to the current year

origin-year-to-current-year.php

function origin_year_to_current_year( $origin_year, $sep = '-', $after = '' )
{
	$date_range = $origin_year;

	if( date('Y') != $origin_year )
	{
		$current_year = date('Y');
		$date_range = $current_year . $sep . date('Y');
	}

	$return = $date_range . $after;

	return $return;
}