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# DB_result::numCols()

DB_result::numCols() -- Gets number of columns in a result set

## Synopsis

``integer numCols` ()`

## Description

Get the number of columns of the rows in a result set.

## Return value

integer - number of columns or a DB_Error object on failure

## Note

This function can not be called statically.

## Example

Example 33-1. Using numCols()
    <?php
    // Once you have a valid DB object named $db...
    $res =& $db->query('SELECT * FROM phptest');
    echo $res->numCols();
    ?>

## See

numRows(), affectedRows()

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