/** * @access private */ function _add_nonce($server_url, $timestamp, $salt) { // PECL SQLite extensions 1.0.3 and older (1.0.3 is the // current release at the time of this writing) have a broken // sqlite_escape_string function that breaks when passed the // empty string. Prefixing all strings with one character // keeps them unique and avoids this bug. The nonce table is // write-only, so we don't have to worry about updating other // functions with this same bad hack. return parent::_add_nonce('x' . $server_url, $timestamp, $salt); }