156      * @param string $server_url
160     function getAssociationFilename($server_url, $handle)  argument
167         if (strpos($server_url, '://') === false) {
168             trigger_error(sprintf("Bad server URL: %s", $server_url),
173         list($proto, $rest) = explode('://', $server_url, 2);
176         $url_hash = Auth_OpenID_FileStore::_safe64($server_url);
192      * @param string $server_url
196     function storeAssociation($server_url, $association)  argument
204         $filename = $this->getAssociationFilename($server_url,
244      * @param string $server_url
248     function getAssociation($server_url, $handle = null)  argument
261         $filename = $this->getAssociationFilename($server_url, $handle);
365      * @param string $server_url
369     function removeAssociation($server_url, $handle)  argument
376         $assoc = $this->getAssociation($server_url, $handle);
380             $filename = $this->getAssociationFilename($server_url, $handle);
389      * @param string $server_url
394     function useNonce($server_url, $timestamp, $salt)  argument
407         if ($server_url) {
408             list($proto, $rest) = explode('://', $server_url, 2);
416         $url_hash = $this->_safe64($server_url);