Draw char with color

<html>
<body>

<?php
$img=ImageCreate(200,200);

$bgcolor=ImageColorAllocate($img,200,200,200);
$red=ImagecolorAllocate($img,255,0,0);
$green=ImagecolorAllocate($img,0,255,0);
$blue=ImagecolorAllocate($img,0,0,255);
$grey=ImagecolorAllocate($img,50,50,50);
$black=ImagecolorAllocate($img,0,0,0);

ImageChar($img,0,20,20,"S",$red);
ImageChar($img,1,20,40,"S",$green);
ImageChar($img,2,20,60,"S",$blue);
ImageChar($img,3,20,80,"S",$grey);
ImageChar($img,4,20,100,"S",$black);
ImageChar($img,5,20,120,"S",$red);

ImageCharUp($img,0, 20,160,"S",$red);
ImageCharUp($img,1, 40,160,"S",$green);
ImageCharUp($img,2, 60,160,"S",$blue);
ImageCharUp($img,3, 80,160,"S",$grey);
ImageCharUp($img,4,100,160,"S",$black);
ImageCharUp($img,5,120,160,"S",$red);

/*
RGB Red = 0..255 , Green = 0..255 , Blue = 0..255.
*/
ImageSetPixel($img,50,50,$pixelcolor);
ImagePNG($img,"pic.png");
ImageDestroy($img);

?>
<img src="pic.png" border=0>
</body>
</html>

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