PHP: Get dominant color from an image (use final values get RGB value of dominant color, taken from: http://snipplr.com/view/67946/get-the-dominant-color-of-any-image/)

get-dominant-color.php

<?php 
	$i = imagecreatefromjpeg("image.jpg");
	
	for ($x=0;$x<imagesx($i);$x++) {
		for ($y=0;$y<imagesy($i);$y++) {
			$rgb = imagecolorat($i,$x,$y);
			$r   = ($rgb >> 16) & 0xFF;
			$g   = ($rgb >>  & 0xFF;
			$b   = $rgb & 0xFF;
	 		
	 		$rTotal += $r;
			$gTotal += $g;
			$bTotal += $b;
			$total++;
		}
	}
	 
	$rAverage = round($rTotal/$total);
	$gAverage = round($gTotal/$total);
	$bAverage = round($bTotal/$total);
?>