diff options
| -rwxr-xr-x | b.php | 58 | ||||
| -rw-r--r-- | banners.php | 15 |
2 files changed, 52 insertions, 21 deletions
@@ -1,21 +1,47 @@ <?php -//renaming to b.php -$dir = "banners/"; -$files = scandir($dir); -$images = array_diff($files, array('.', '..')); -$name = $images[array_rand($images)]; +// This script assumes there is at least one normal (non-priority) +// banner! -// snags the extension -$img_extension = pathinfo($name, PATHINFO_EXTENSION); +// Get the files in a directory, returns null if the directory does +// not exist. +function getFilesInDirectory($dir) { + if (! is_dir($dir)) { + return null; + } -// send the right headers -header('Cache-Control: no-cache, no-store, must-revalidate'); // HTTP 1.1 -header('Pragma: no-cache'); // HTTP 1.0 -header('Expires: 0'); // Proxies -header("Content-type: image/" . $img_extension); -header("Content-Disposition: inline; filename=" . $name); + return array_diff(scandir($dir), array('.', '..')); +} -// readfile displays the image, passthru seems to spits stream. -readfile($dir.$name); -exit; +// Serve a random banner and exit. +function serveRandomBanner($dir, $files) { + $name = $files[array_rand($files)]; + + // snags the extension + $ext = pathinfo($name, PATHINFO_EXTENSION); + + // send the right headers + header('Cache-Control: no-cache, no-store, must-revalidate'); // HTTP 1.1 + header('Pragma: no-cache'); // HTTP 1.0 + header('Expires: 0'); // Proxies + header("Content-type: image/" . ext); + header("Content-Disposition: inline; filename=" . $name); + + // readfile displays the image, passthru seems to spits stream. + readfile($dir.$name); + exit; +} + +// Get all the banners +$bannerDir = "banners/"; +$priorityDir = "banners_priority/"; + +$banners = getFilesInDirectory($bannerDir); +$priority = getFilesInDirectory($priorityDir); + +// If there are priority banners, serve 1/3rd of the time. +if($priority !== null && count($priority) !== 0 && rand(0,2) === 0) { + serveRandomBanner($priorityDir, $priority); +} + +serveRandomBanner($bannerDir, $banners); ?> diff --git a/banners.php b/banners.php index 262bdc57..48e312f2 100644 --- a/banners.php +++ b/banners.php @@ -4,14 +4,19 @@ </head> <body> <?php -if ($handle = opendir('banners')) { - while (false !== ($entry = readdir($handle))) { - if ($entry != "." && $entry != "..") { - echo "<a href=\"banners/$entry\"><img src=\"banners/$entry\" alt=\"$entry\" style=\"width:348px;height:128px\"></a> "; +function listBannersInDir($dir) { + if ($handle = opendir($dir)) { + while (false !== ($entry = readdir($handle))) { + if ($entry != "." && $entry != "..") { + echo "<a href=\"$dir/$entry\"><img src=\"$dir/$entry\" alt=\"$entry\" style=\"width:348px;height:128px\"></a> "; + } } + closedir($handle); } - closedir($handle); } + +listBannersInDir("banners_priority"); +listBannersInDir("banners"); ?> </body> </html> |