略微加速

PHP官方手册 - 互联网笔记

PHP - Manual: cubrid_num_fields

2024-12-21

cubrid_num_fields

(PECL CUBRID >= 8.3.0)

cubrid_num_fieldsReturn the number of columns in the result set

说明

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.

参数

result

result comes from a call to cubrid_execute(), cubrid_query() and cubrid_prepare()

返回值

Number of columns, on success.

-1 if SQL sentence is not SELECT.

false when process is unsuccessful.

范例

示例 #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);
?>

以上例程会输出:

Row Num: 6
Column Num: 2
add a noteadd a note

User Contributed Notes

There are no user contributed notes for this page.

官方地址:https://www.php.net/manual/en/function.cubrid-num-fields.php

北京半月雨文化科技有限公司.版权所有 京ICP备12026184号-3