wog_etc_confirm.php

WEBGAME源码,有架设说明,只是非常简单

				}
				$image .= $this->randomise(substr($hold_chars[$char][$l], 1), $char_widths[$j]);
				$j++;
			}

			for ($k = $offset_x + $img_width; $k < $total_width; $k++)
			{
				$image .= chr(mt_rand(140, 255));
			}

			$l++;
		}
		else
		{
			for ($k = 0; $k < $total_width; $k++)
			{
				$image .= chr(mt_rand(140, 255));
			}
		}

	}
	unset($hold);

	$image = $this->create_png(gzcompress($image), $total_width, $total_height);

	// Output image
	header('Content-Type: image/png');
	header('Cache-control: no-cache, no-store');
	echo $image;

	unset($image);
	unset($_png);
//	exit;
}
else
{
	$_png = $this->define_raw_pngs();

	$char = substr($code, -1);
	header('Content-Type: image/png');
	header('Cache-control: no-cache, no-store');
	echo base64_decode($_png[$char]);

	unset($_png);
//	exit;
}
}


// This is designed to randomise the pixels of the image data within
// certain limits so as to keep it readable. It also varies the image
// width a little
function randomise($scanline, $width)
{
	$new_line = '';
	$start = floor($width/2);
	$end = strlen($scanline) - ceil($width/2);