(PHP 4 <= 4.3.0, PECL dbplus >= 0.9)
dbplus_curr — Get current tuple from relation
$relation
   , array &$tuple
   ) : int
   Reads the data for the current tuple for the given
   relation.
  
relationA relation opened by dbplus_open().
tupleThe data will be passed back in this parameter, as an associative array.
   The function will return zero (aka. DBPLUS_ERR_NOERR) on success
   or a db++ error code on failure.
  
此函数是实验性的。此函数的表象,包括名称及其相关文档都可能在未来的 PHP 发布版本中未通知就被修改。使用本函数风险自担。