Bypassing a captcha!

<?php
	$data = file_get_contents('http://www.ssmailsubscription.tk/inc/captcha.php');
	$r = 120; $g = 95; $b = 95;

	file_put_contents('original.png', $data);
	$img = imagecreatefromstring($data);
	$width = imagesx($img);
	$height = imagesy($img);
	for($i = 0;$i < $width; $i++){
		for($j = 0;$j < $height; $j++){
			$rgb = imagecolorat($img, $i, $j);
			$colors = imagecolorsforindex($img, $rgb);
			if($colors['red'] != 120 || $colors['green'] != 95 || $colors['blue'] != 95){
				imagecolorset($img, $rgb, 255, 255, 255);
			}
		}
	}

imagepng($img, 'image.png');
exec('tesseract.exe image.png code'); // Let's OCR !!!

echo 'The original<br><img src="original.png"><br><br>The filtered<br><img src="image.png"><br>And the code is: ';
echo file_get_contents('code.txt');