manifest.php

<?php
// Add the correct Content-Type for the cache manifest
header('Content-Type: text/cache-manifest');
 
// Write the first line
echo "CACHE MANIFEST\n";
 
// Initialize the $hashes string
$hashes = "";
 
$dir = new RecursiveDirectoryIterator(".");
 
// Iterate through all the files/folders in the current directory
foreach(new RecursiveIteratorIterator($dir) as $file) {
    $info = pathinfo($file);
 
    // If the object is a file
    // and it's not called manifest.php (this file),
    // and it's not the admin
    // and it's not a dotfile, add it to the list
    if ($file->IsFile()
        && $file != "./manifest.php"
        && $file != "admin"
        && substr($file->getFilename(), 0, 1) != ".")
    {
        // Replace spaces with %20 or it will break
        echo str_replace(' ', '%20', $file) . "\n";
 
        // Add this file's hash to the $hashes string
        $hashes .= md5_file($file);
    }
}
 
// Hash the $hashes string and output
echo "# Hash: " . md5($hashes) . "\n";
?>