Question

get

从表中返回一行数据

get($table, $columns, $where)

• table [string]

  表名.

• columns [string/array]

  返回的字段列.

• where (optional) [array]

  WHERE 条件.

Return: [string/array] 返回查询到的数据.这个方法只能获取一条数据

$email = $database->get("account", "email", [
    "user_id" => 1234]
);
// $email = "foo@bar.com"
$profile = $database->get("account", [
    "email",
    "gender",
    "location"], [
    "user_id" => 1234]
);
// $profile = array(
//  "email" => "foo@bar.com",
//  "gender" => "female",
//  "location" => "earth"
// )