<?php

function twoMax(Array $arr) {
	if (count($arr) < 2 ) return $arr;
	foreach ($arr as $key => $value) {
		if (  !isset($second)  ) {
			$second = $value;
			continue;
		}
		if ( !isset($first) && $value > $second) {
			$second = $value;
			continue;
		}
		if (isset($first) && ( ($value > $second) && ($value < $first) ) ) {
			$second = $value;
			continue;
		}
		if ( (!isset($first) && ($value > $second) ) || ($value > $first) ) {
			$first = $value;
		}
	}
	$result = (isset($first) )  ?  [$first, $second] : [$second];
	return $result;
}