<?php

print_r(meanMedianAndMode([8, 7, 2, 4, 2]))."\n";
print_r(meanMedianAndMode([8, 7, 2, 4, 2, 7]))."\n";

function meanMedianAndMode($nums) {
	$count = count($nums);
	sort($nums);
	//Calculates Median
	if ($count%2 == 0) {
		$median = ($nums[$count/2]+$nums[$count/2-1])/2;
	} else {
		$median = $nums[floor($count/2)];
	}

	// Calculates Mode
	$counted = array_count_values($nums);
	$max = max($counted);
	// Checks if there is more than one Mode
	$counted_max = array_count_values($counted);
	if ($counted_max[$max] == 1) {
		$mode = array_search($max, $counted);
	} else {
		foreach ($counted as $key => $value) {
			if ($value == $max) {
				$mode[] = $key;
			}
		}
	}

	return [
		'mean' => array_sum($nums) / $count,
		// average number
		'median' => $median,
		'mode' => $mode
	];
}