Jamyy's Weblog

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45

<?php
	$counterfile = "counter.txt";
	$counter = 1;
	$page = $_GET["page"];
	$userip = $_SERVER["REMOTE_ADDR"];
	$referer = $_SERVER["HTTP_REFERER"];

	if ($page > "" && (substr($referer,7,14) == "cha.homeip.net" ||
		$referer == "http://www.aypwip.org/webnote/Jamyy")) {
		if (file_exists($counterfile)) {
			$flag = true;
			$counterlist = file($counterfile);
			$fs = fopen($counterfile, "w");
			for ($i=0; $i<count($counterlist); $i++) {
				$counterfields = split(",", $counterlist[$i]);
				if ($counterfields[0] == $page) {
					$counter = intval($counterfields[1]);
					if (substr($userip,0,10) != "192.168.1.") {
						$counter++;
					}
					fwrite($fs, "$page,$counter\n");
					$flag = false;
				} else {
					fwrite($fs, $counterlist[$i]);
				}
			}
			if ($flag) {
				fwrite($fs, "$page,1\n");
			}
			fclose($fs);
		} else {
			exec("echo \"$page,1\" > $counterfile");
		}
		$counter = str_repeat("0", 5-strlen($counter)) . $counter;
	} else {
		$counter = "ERROR";
	}

	header("Content-type: image/png");
	$im = @imagecreate(45, 15);
	$background_color = imagecolorallocate($im, 0, 0, 0);
	$text_color = imagecolorallocate($im, 255, 255, 255);
	imagestring($im, 4, 2, 0, $counter, $text_color);
	imagepng($im);
	imagedestroy($im);
?>