cubrid_num_fields

Return the number of columns in the result set

説明

int cubrid_num_fields(resource $result)

This function returns the number of columns in the result set, on success, or it returns FALSE on failure.

パラメータ

result: result comes from a call to cubrid_execute, cubrid_query and cubrid_prepare

戻り値

Number of columns, on success.

-1 if SQL sentence is not SELECT.

false when process is unsuccessful.

例

例1 cubrid_num_fields example

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

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

$row_num = cubrid_num_rows($req);
$col_num = cubrid_num_fields($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