* @access private
*/
function _connect_sock( &$sock, $host ) {
- list( $ip, $port ) = preg_split('/:(?=\d)/' , $host );
+ list( $ip, $port ) = preg_split( '/:(?=\d)/', $host );
$sock = false;
$timeout = $this->_connect_timeout;
$errno = $errstr = null;