php 한글 메뉴얼 도움말 검색 사이트 Number of rows in a result [function.odbc-num-rows]

설명

int odbc_num_rows ( resource $result_id )

Gets the number of rows in a result. For INSERT, UPDATE and DELETE statements odbc_num_rows() returns the number of rows affected. For a SELECT clause this can be the number of rows available.

인수

result_id: The result identifier returned by odbc_exec().

반환값

Returns the number of rows in an ODBC result. This function will return -1 on error.

주의

Note:
Using odbc_num_rows() to determine the number of rows available after a SELECT will return -1 with many drivers.