error
获得最后一个执行的错误.
error()
Return: [array] 返回错误的数组代码
输出值为数组
$database->select("bccount", [
"user_name",
"email"
], [
"user_id[<]" => 20
]);
var_dump($database->error());
// array(3) { [0]=> string(5) "42S02" [1]=> int(1146) [2]=> string(36) "Table 'my_database.bccount' doesn't exist" }