/**
* Decode a minify auto filename into an array of files.
*
* @param unknown $compressed
* @param unknown $type
* @return array
*/
public static function minify_filename_to_urls_for_minification($filename, $type)
{
$v = get_option('w3tc_minify');
$minify_filenames = @json_decode($v, true);
if (!is_array($minify_filenames)) {
$minify_filenames = array();
}
$minify_filename = $filename . '.' . $type;
if (!isset($minify_filenames[$minify_filename])) {
return array();
}
$urls_unverified = $minify_filenames[$minify_filename];
$urls = array();
foreach ($urls_unverified as $file) {
$verified = false;
if (Util_Environment::is_url($file)) {
$c = Dispatcher::config();
$external = $c->get_array('minify.cache.files');
foreach ($external as $ext) {
if (preg_match('#' . Util_Environment::get_url_regexp($ext) . '#', $file) && !$verified) {
$verified = true;
}
}
if (!$verified) {
Minify_Core::debug_error(sprintf('Remote file not in external files/libraries list: "%s"', $file));
}
} elseif (strpos($file, '..') != false || strpos($file, '//') !== false || strpos($file, '\\') !== false && strtoupper(substr(PHP_OS, 0, 3)) != 'WIN' || preg_match('/(?:^|[^\\.])\\.\\//', $file) || !preg_match('/^[a-zA-Z0-9_.\\/-]|[\\\\]+$/', $file)) {
$verified = false;
Minify_Core::debug_error(sprintf('File path invalid: "%s"', $file));
} else {
$verified = true;
}
if ($verified) {
$urls[] = $file;
}
}
return $urls;
}
public function debug_error($error)
{
Minify_Core::debug_error($error);
}
