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    cubrid_num_fields

    (PECL CUBRID >= 8.3.0)

    cubrid_num_fields — Return the number of columns in the result set

    説明

    cubrid_num_fields(resource $result): int

    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

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