CUBRID 関数
PHP Manual

cubrid_num_rows

(PECL CUBRID >= 8.3.0)

cubrid_num_rowsGet the number of rows in the result set

説明

int cubrid_num_rows ( resource $req_identifier )

The cubrid_num_rows() function is used to get the number of rows from the query result. You can use it only when the query executed is a select sentence. When you want to know such value for INSERT, UPDATE, or DELETE query, you have to use the cubrid_affected_rows() function.

Note: The cubrid_num_rows() function can only be used for synchronous query; it returns 0 when it is used for asynchronous query.

パラメータ

req_identifier

Request identifier.

返り値

Number of rows, when process is successful.

0 when the query was done in async mode.

-1, if SQL sentence is not SELECT.

例1 cubrid_num_rows() example

<?php
$conn 
cubrid_connect("localhost"33000"demodb");

$req cubrid_execute($conn"SELECT * FROM code");

$row_num cubrid_num_rows($req);
$col_num cubrid_num_cols($req);

printf("Row Num: %d\nColumn Num: %d\n"$row_num$col_num);

cubrid_disconnect($conn);
?>

上の例の出力は以下となります。

Row Num: 6
Column Num: 2

参考


CUBRID 関数
PHP Manual