GD Arrow Move
<?php
header('Content-Type: image/png');
$myImage = imagecreate(300, 300);
$white = imagecolorallocate($myImage, 255, 255, 255);
$red= imagecolorallocate($myImage, 255, 0, 0);
$ak = "5";
$al = "10";
$ar = "110";
$numbers = array("0", "3", "3", "11", "5");
if ($numbers[count($numbers)-1] < $numbers[count($numbers)-2]) { $lqlq = $ar + $ak; $ar = $ar - $ak; }
else { $lqlq = $ar; }
$myTriangle = array ($al + $ak, $lqlq, $al, $ak + $ar, $al+ ($ak*2), $ak + $ar);
imagepolygon($myImage, $myTriangle, 3, $red);
imagefilledpolygon($myImage, $myTriangle, 3, $red);
imagepng($myImage);
imagedestroy($myImage);
?>