文字
dbplus_first
(PHP 4 <= 4.1.0, PECL dbplus >= 0.9)
dbplus_first — Get first tuple from relation
说明
int dbplus_first
( resource
$relation
, array &$tuple
)
Reads the data for the first tuple for the given
relation, makes it the current tuple and pass it
back as an associative array in tuple.
参数
-
relation -
A relation opened by dbplus_open() .
-
tuple -
返回值
Returns DBPLUS_ERR_NOERR on success or a db++ error
code on failure.
注释
Warning
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 。
参见
- dbplus_curr() - Get current tuple from relation
- dbplus_prev() - Get previous tuple from relation
- dbplus_next() - Get next tuple from relation
- dbplus_last() - Get last tuple from relation
- dbplus_errcode() - Get error string for given errorcode or last error