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Merge pull request #58 from lainchan/57-priority-banners

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Priority Banners (issue #57)
This commit is contained in:
Michael Walker 2016-08-20 01:15:27 +01:00 committed by GitHub
commit 0678b74b7a
2 changed files with 52 additions and 21 deletions
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58
b.php
View File

@ -1,21 +1,47 @@
<?php <?php
//renaming to b.php // This script assumes there is at least one normal (non-priority)
$dir = "banners/"; // banner!
$files = scandir($dir);
$images = array_diff($files, array('.', '..'));
$name = $images[array_rand($images)];
// snags the extension // Get the files in a directory, returns null if the directory does
$img_extension = pathinfo($name, PATHINFO_EXTENSION); // not exist.
function getFilesInDirectory($dir) {
if (! is_dir($dir)) {
return null;
}
// send the right headers return array_diff(scandir($dir), array('.', '..'));
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=" . $name);
// readfile displays the image, passthru seems to spits stream. // Serve a random banner and exit.
readfile($dir.$name); function serveRandomBanner($dir, $files) {
exit; $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);
?> ?>

15
banners.php
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@ -4,14 +4,19 @@
</head> </head>
<body> <body>
<?php <?php
if ($handle = opendir('banners')) { function listBannersInDir($dir) {
while (false !== ($entry = readdir($handle))) { if ($handle = opendir($dir)) {
if ($entry != "." && $entry != "..") { while (false !== ($entry = readdir($handle))) {
echo "<a href=\"banners/$entry\"><img src=\"banners/$entry\" alt=\"$entry\" style=\"width:348px;height:128px\"></a> "; 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> </body>
</html> </html>