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annotate imageserve.inc @ 0:d8a3998dac8e ad

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ajout module ad
author pierre
date Fri, 20 Feb 2009 14:04:09 +0000
parents
children e5584a19768b
rev   line source
pierre@0 1 <?php
pierre@0 2 // $Id: imageserve.inc,v 1.1.2.8.2.2 2009/02/16 17:06:47 jeremy Exp $
pierre@0 3
pierre@0 4 /**
pierre@0 5 * @file
pierre@0 6 * Image serving lib.
pierre@0 7 *
pierre@0 8 * Copyright (c) 2008-2009.
pierre@0 9 * Jeremy Andrews <jeremy@tag1consulting.com>.
pierre@0 10 */
pierre@0 11
pierre@0 12 /**
pierre@0 13 * Generate a tiny image with GD, used to count when an ad has been displayed
pierre@0 14 * on a cached page.
pierre@0 15 */
pierre@0 16 function adserve_counter_image() {
pierre@0 17 adserve_variable('variable_load');
pierre@0 18 adserve_bootstrap(0);
pierre@0 19
pierre@0 20 $ad->aid = adserve_variable('aid');
pierre@0 21 if ($ad->aid) {
pierre@0 22 adserve_increment($ad);
pierre@0 23 }
pierre@0 24 else {
pierre@0 25 adserve_increment($ad, 'count');
pierre@0 26 }
pierre@0 27
pierre@0 28 if (function_exists('imagecreate')) {
pierre@0 29 $image = imagecreate(1, 1);
pierre@0 30 // Tell the web browser not to cache this image so we register a count each
pierre@0 31 // time the page is viewed.
pierre@0 32 // Expires in the past:
pierre@0 33 header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
pierre@0 34 // Last loud:
pierre@0 35 header('Last-Modified: '. gmdate('D, d M Y H:i:s') .' GMT');
pierre@0 36 // HTTP 1.1:
pierre@0 37 header('Cache-Control: no-store, no-cache, must-revalidate');
pierre@0 38 header('Cache-Control: post-check=0, pre-check=0', FALSE);
pierre@0 39 // HTTP 1.0:
pierre@0 40 header('Pragma: no-cache');
pierre@0 41 }
pierre@0 42 else {
pierre@0 43 // GD not installed, report error and exit.
pierre@0 44 exit();
pierre@0 45 }
pierre@0 46
pierre@0 47 if (function_exists('imagejpeg')) {
pierre@0 48 header("Content-type: image/jpeg");
pierre@0 49 imagejpeg($image);
pierre@0 50 }
pierre@0 51 else if (function_exists('imagepng')) {
pierre@0 52 header("Content-type: image/png");
pierre@0 53 imagepng($image);
pierre@0 54 }
pierre@0 55 else if (function_exists('imagegif')) {
pierre@0 56 header("Content-type: image/gif");
pierre@0 57 imagegif($image);
pierre@0 58 }
pierre@0 59 imagedestroy($image);
pierre@0 60 exit(0);
pierre@0 61 }