How to parse array value in CI input post when using ajax call

• passing array value using ajax ```javascript var array = ['abc', '123'];

// ajax call var options = { url : 'domain/mycontroller', dataType : 'json', type : 'post', data : array }

- receive post value
```php
<?php defined('BASEPATH') OR exit('No direct script access allowed');
// Bad
$array = $this->input->post('array', true); // ['abc', '123']  String

// Good
$array = $this->input->post('array', true); 
$array = (array) json_decode($array); // Array( [0] => 'abc', [1] => '123' )