Untitled

<?php

/**
* waverage
*
* Average based on the times of repetance
*
* @author Kiensan Chea <ksan_chea@hotmail.com>
* @access public
* @param  array, all the votes
* @return int
*/

function waverage($votes = array()){
	
	$votesPerValue = array();
	$weight = 10;
	
	foreach($votes as $value){
		if(!array_key_exists($value, $votesPerValue)){
			$votesPerValue[$value] = 1;
		}
		else{
			$votesPerValue[$value]++;
		}
	}

	$sum = 0;
	foreach($votesPerValue as $key => $value){
		$sum += pow($key,$weight)*$value;
	}
	
	$waverage = pow(($sum/sizeof($votes)),1/$weight);
	return $waverage;
}

/**
* average
*
* Average
*
* @author Kiensan Chea <ksan_chea@hotmail.com>
* @access public
* @param  array, all the votes
* @return int
*/

function average($votes = array()){
	$sum = 0;
	foreach($votes as $value){
		$sum += $value;
	}
	$average = $sum/count($votes);
	return $average;
}





$votes = array(1,10,10,10);
print_r($votes);
echo '<br />waverage: '.waverage($votes);
echo '<br />average: '.average($votes);



?>