codeigniter，result() 与 result_array() [英] codeigniter, result() vs. result_array()

问题描述

我同时使用 result() 和 result_array().

通常我喜欢将结果作为数组，这就是为什么我主要使用 result_array() ..

Usually i like to get my result as array thats why i use result_array() mostly..

但我想知道我应该遵循哪种更好的方法，就性能而言，使用其中哪一种更有效?

But i want to know which is the better approach that i should follow, Which one of them is more efficient to use in regards to performance?

这是我在 codeigniter 查询中谈论的示例

Here is the Example i am talking about in codeigniter queries

$query = $this->db->get();
$result = $query->result_array();

或者这应该是更好的方法吗??

or is this should be the better approach??

$query = $this->db->get();
$result = $query->result();

现在我也在我的通用模型中使用 result_array.

also right now i am using result_array in my generic model.

推荐答案

Result 有一个可选的 $type 参数，它决定返回什么类型的结果.默认情况下 ($type = "object")，它返回一个对象 (result_object()).可以设置为"array"，然后返回一个结果数组，相当于调用result_array().第三个版本接受一个自定义类作为结果对象.

Result has an optional $type parameter which decides what type of result is returned. By default ($type = "object"), it returns an object (result_object()). It can be set to "array", then it will return an array of result, that being equivalent of caling result_array(). The third version accepts a custom class to use as a result object.

来自 CodeIgniter 的代码:

The code from CodeIgniter:

/**
* Query result. Acts as a wrapper function for the following functions.
*
* @param string $type 'object', 'array' or a custom class name
* @return array
*/
public function result($type = 'object')
{
    if ($type === 'array')
    {
        return $this->result_array();
    }
    elseif ($type === 'object')
    {
        return $this->result_object();
    }
    else
    {
        return $this->custom_result_object($type);
    }
}

数组在技术上更快，但它们不是对象.这取决于你想在哪里使用结果.大多数情况下，数组就足够了.

Arrays are technically faster, but they are not objects. It depends where do you want to use the result. Most of the time, arrays are sufficient.

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