<?php
/*
Runs from a directory containing files to provide an
RSS 2.0 feed that contains the list and modification times for all the
files.
*/
require_once('Rss.php');
$rss = new Rss();
function get_m_time_dir($path){
$directory = new RecursiveDirectoryIterator(
$path,
FilesystemIterator::KEY_AS_PATHNAME |
FilesystemIterator::CURRENT_AS_FILEINFO |
FilesystemIterator::SKIP_DOTS
);
$iterator = new RecursiveIteratorIterator(
$directory,
RecursiveIteratorIterator::SELF_FIRST
);
$resultFile = $iterator->current();
foreach($iterator as $file) {
if ($file->getMtime() > $resultFile->getMtime()) {
$resultFile = $file;
}
}
return $resultFile->getMtime();
}
$lastFile = get_m_time_dir('./content/');
header('Content-type: text/xml');
if(file_exists('rss_feed.xml') && (filemtime('rss_feed.xml') >= $lastFile)){
$xmlRss = file_get_contents('rss_feed.xml');
echo $xmlRss;
} else {
echo $rss->generateFeed();
}
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