php error + mysqli一个注意到的错误

Question

i ama getting an error that say

Notice: Array to string conversion in C:\wamp\www\chat2\ajaxLoad.php on line 15

i do not know how to solve this can anyone help me ???

this is the code

<?php
 require_once('mysqli.class.php');  

$config = array();
        $config['host'] = 'localhost';
        $config['user'] = 'root';
        $config['pass'] = 'root';
        $config['table'] = 'messages';

        $db = new DB($config);

        // Run a Query:
        $db->query('SELECT * FROM message');

        echo$db->get();



?>

Answer 1

$db->get() returns an array. An array is a list of things. echo can only print strings and numbers, not arrays, so it does not know what to do with it. It prints Array and gives this notice.

If you want to print the whole array, use

print_r($db->get());