PHP擷取任一圖片的主顏色

function dominant_color($image)
{
$i = imagecreatefromjpeg($image);
for ($x=0;$x    for ($y=0;$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);
}

PHP