/**
* Writes an asset collection to a cache file, optionally applies filters.
*
* @param AssetCollection $assets
* @param string $file
* @param array $filters
* @return mixed
*/
protected function doCache(AssetCollection $assets, $file, $filters = array())
{
$filters = $this->filters->get($filters);
if ($this->cache && count($assets)) {
$salt = array_merge(array($_SERVER['SCRIPT_NAME']), array_keys($filters));
$file = preg_replace('/(.*?)(\\.[^\\.]+)?$/i', '$1-' . $assets->hash(implode(',', $salt)) . '$2', $file, 1);
if (file_exists($file) || @file_put_contents($file, $assets->dump($filters))) {
return $file;
}
}
return false;
}
/**
* Writes an asset collection to a cache file, optionally applies filters.
*
* @param AssetCollection $assets
* @param string $file
* @param array $filters
* @return mixed
*/
protected function doCache(AssetCollection $assets, $file, $filters = array())
{
$filters = $this->filters->get($filters);
if (count($assets)) {
$time = 0;
$salt = implode(',', array_keys($filters));
$file = preg_replace('/(.*?)(\\.[^\\.]+)?$/i', '$1-' . $assets->hash($salt) . '$2', $file, 1);
foreach ($assets as $asset) {
if ($path = $asset['path'] and $modified = filemtime($path) and $modified > $time) {
$time = $modified;
}
}
if (!file_exists($file) || filemtime($file) < $time) {
file_put_contents($file, $assets->dump($filters));
}
return $file;
}
return false;
}
