membuat tulisan dan mobil dengan php

<?php
header("content-type: image/png");
$img = imagecreate(600,600);
imagecolorallocate($img,0,128,0);

//warna
$hitam = imagecolorallocate($img,0,0,0);
$putih = imagecolorallocate($img,255,255,255);
$kuning = imagecolorallocate($img, 255, 252, 120);
$pink=imagecolorallocate($img,250,50,250);
//membuat bagian atas mobil
$atas = array(
100,100, //A
190,50, //B
190,200, //C
100,150  //D

);
imagefilledpolygon($img,$atas,4,$putih);
imagefilledrectangle($img,192,50,490,200,$putih);


//membuat bagian bawah mobil
$bawah = array(
115,350, //A
180,340,  //B
180,400, //C
115,400,//D
);
imagefilledpolygon($img,$bawah,4,$pink);
imagefilledrectangle($img,180,300,470,400,$pink);

imagestring($img,10,270,20,"Mobil Tampak Atas",$kuning);
imagestring($img,10,270,450,"Mobil Tampak Bawah",$kuning);
//jendela
imagefilledrectangle($img,205,310,260,340,$putih);
imagefilledrectangle($img,280,310,370,340,$putih);
imagefilledrectangle($img,390,310,450,340,$putih);


//Roda mobil
imagefilledellipse($img,200,400,50,50,$hitam);
imagefilledellipse($img,200,400,30,30,$putih);
imagefilledellipse($img,200,400,15,15,$hitam);

imagefilledellipse($img,400,400,50,50,$hitam);
imagefilledellipse($img,400,400,30,30,$putih);
imagefilledellipse($img,400,400,15,15,$hitam);

imagepng($img);

?>