rgbhex2png.php

<?php
$skindata = base64_decode(file_get_contents("/Users/luca/Desktop/skindata.txt"));
$colors = str_split($skindata, 4);
$height = count($colors) / 64;
$skin = imagecreatetruecolor(64, $height);
$allocatedColors = array();

foreach ($colors as $color) {
	str_split($color);
	$red = hexdec(bin2hex($color[0]));
	$green = hexdec(bin2hex($color[1]));
	$blue = hexdec(bin2hex($color[2]));
	$allocatedColors[] = imagecolorallocate($skin, $red, $green, $blue);
}

for ($y = 0; $y < $height; $y++) { 
	for ($x = 0; $x < 64; $x++) {
		$color = array_shift($allocatedColors);
		imagesetpixel($skin, $x, $y, $color);
	}
}

imagecolortransparent($skin, imagecolorallocate($skin, 0, 0, 0));

imagepng($skin, "/Users/luca/Desktop/skin.png");