我的 config.php 文件中有这样的课程
class Config {
public static $__db = array(
"host" => 'l',
"username" => 'u',
"password" => 'p',
"database" => 'x'
);
}
当我尝试添加这个
$q = $db->query("SELECT * FROM x ORDER BY `id` ASC");
$ad = array();
while($row = $db->fetchAll($q))
{
$ad[] = $row;
}
我总是收到这个错误
Fatal error: Call to a member function query() on a non-object in /
请问我该如何解决?