function update_manager_file_get

Copies a file from the specified URL to the temporary directory for updates.

Returns the local path if the file has already been downloaded.

Parameters

$url: The URL of the file on the server.

Return value

string Path to local file.

Related topics

File

modules/update/update.manager.inc, line 831

Code

function update_manager_file_get($url) {
    $parsed_url = parse_url($url);
    $remote_schemes = array(
        'http',
        'https',
        'ftp',
        'ftps',
        'smb',
        'nfs',
    );
    if (!in_array($parsed_url['scheme'], $remote_schemes)) {
        // This is a local file, just return the path.
        return drupal_realpath($url);
    }
    // Check the cache and download the file if needed.
    $cache_directory = _update_manager_cache_directory();
    $local = $cache_directory . '/' . drupal_basename($parsed_url['path']);
    if (!file_exists($local) || update_delete_file_if_stale($local)) {
        return system_retrieve_file($url, $local, FALSE, FILE_EXISTS_REPLACE);
    }
    else {
        return $local;
    }
}