PHP Manual
Informix 函数
Count the rows already fetched from a query

ifx_num_rows

(PHP 4, PHP 5 < 5.2.1)

ifx_num_rows — Count the rows already fetched from a query

说明

ifx_num_rows ( resource $result_id ) : int

Gives the number of rows fetched so far for a query with result_id after a ifx_query() or ifx_do() query.

参数

result_id: result_id is a valid resultid returned by ifx_query() or ifx_prepare() (select type queries only!).

返回值

Returns the number of fetched rows or FALSE on errors.

参见

ifx_num_fields() - Returns the number of columns in the query

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