SQLite3Result::numColumns

(PHP 5 >= 5.3.0, PHP 7)

SQLite3Result::numColumns — Returns the number of columns in the result set

说明

public int SQLite3Result::numColumns ( void )

Returns the number of columns in the result set.

参数

此函数没有参数。

返回值

Returns the number of columns in the result set.

User Contributed Notes

jwzumwalt at neatinfo dot com 31-Oct-2010 03:33


Here is an example:





<?php


   $query = "SELECT * FROM 't1' ";


   $result = $db->query($query) or die("Error in query: <span style='color:red;'>$query</span>");


   $num_columns =  $result->numColumns();


?>





[Edited by: googleguy@php.net]