Php/docs/function.dbplus-first

• PHP Manual
• DB++ 函数
• Get first tuple from relation

dbplus_first

(PHP 4 <= 4.3.0, PECL dbplus >= 0.9)

dbplus_first — Get first tuple from relation

说明

dbplus_first ( resource $relation , array &$tuple ) : int

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