如果我这样做
include('orderConst_pdo_connect.php');
switch ($type){
case "retrieve":
retrieve_address($customer_id);
break;
case "new":
new_address($customer_id, $address);
break;
case "update":
update_address($customer_id, $address_id);
break;
case "delete":
delete_address($customer_id, $address_id);
break;
}
function retrieve_address($customer_id){
$sth = $dbh->prepare("
SELECT *
FROM address
WHERE customer_id = :customer_id
ORDER BY CASE
WHEN use_frequency IS NULL THEN id
ELSE use_frequency
END ASC");
....
}
我得到错误
Fatal error: Call to a member function prepare() on a non-object
直到我把include('orderConst_pdo_connect.php')
函数放在里面。有没有办法包含文件并在页面顶部授予对它的函数访问权限,或者我是否需要将它包含在使用它的每个函数中?