Take in First Name Last name and return Last Name, First Name Initial

splitNames.php

	function orderby_lastname ($legislator_name) {
			$explodedName = explode(' ', $legislator_name);
			if (count($explodedName) == 2) {
				$lastNameFirst = array_reverse($explodedName);
				$lastNameFirst = implode(' ', $lastNameFirst);
			} else {
				$lastName = array_pop($explodedName);
				array_unshift($explodedName, $lastName);
				$lastNameFirst = implode(' ', $explodedName);
			}
			return $lastNameFirst;
		}