Header add "Expires" "Mon, 28 Jul 2014 23:30:00 GMT"
Header add "Cache-Control" "max-age=31536000"
EOD;
fwrite($f, $htaccess);
fclose($f);
}
}
$photo_urls = array();
$cache_urls = array();
// open cache directory and get contents
if(file_exists('cache') && is_dir('cache') && ($dir = opendir('cache'))) {
$id = 0;
while(false !== ($file = readdir($dir))) {
if($file !== "." && $file !== ".." && $file !== ".htaccess") {
$cache_urls[$id] = $file;
$id++;
}
}
closedir($dir);
}
else {
die("Cannot find cache directory");
}
if(!file_exists('.timestamp') || (time() - filemtime('.timestamp')) > 3600) {
touch('.timestamp');
// size=s produces a square thumbnail (75x75)
$jsSource = file_get_contents('http://www.flickr.com/badge_code_v2.gne?count=8&display=latest&source=user&size=s&user=20907252%40N00');
$match_string = '/)
0) {
$id = 0;
while($id < $photo_count) {
$photo_urls[$id] = $matches[1][$id];
$id++;
}
}
// compare file URLs to cache URLs and determine the ones we need to fetch
for($i = 0; $i < $photo_count; $i++) {
$filename = basename($photo_urls[$i]);
if( false !== ($index = array_search($filename, $cache_urls)) ) {
// remove $index from the list of cached urls
unset($cache_urls[$index]);
}
else {
// we need to fetch this image from Flickr
// and now store it in our cache
$fileToWrite = fopen("cache/" . $filename, 'w');
if($fileToWrite) {
fwrite($fileToWrite, file_get_contents($photo_urls[$i]));
fclose($fileToWrite);
}
}
}
// anything left in $cache_urls is stale and we should remove
foreach($cache_urls as $file_to_remove) {
unlink('cache/' . $file_to_remove);
}
// close curl resource, and free up system resources
// curl_close($ch);
// convert to local URLs
foreach($photo_urls as $ind => $photo) {
$photo_urls[$ind] = 'cache/' . basename($photo);
}
}
else {
// convert to local URLs
foreach($cache_urls as $ind => $photo) {
$photo_urls[$ind] = 'cache/' . basename($photo);
}
}
// Now construct the SVG+SMIL with the URLs
// http://www.flickr.com/badge.gne
header('Content-Type: image/svg+xml');?>