Cannot use string offset as an array

1.if($value['five_work_info']){
2.                $five_work_info = json_decode($value['five_work_info'],true);
3.                $_POST['CHIN']['work']['five_work_info'] = array();
4.                $_POST['CHIN']['work']['five_work_info']['0']['company_name'] = $five_work_info['0']['name'];
5.                $_POST['CHIN']['work']['five_work_info']['0']['company_address'] = $five_work_info['0']['address'];
6. }
tp报错 Cannot use string offset as an array 在line 4 ; 之后加了第三行的定义数组 = array（）后解决

 $arr=array() 这样写的原因,告诉程序这是数组。

这个问题是因为PHP5.X对String和数组的规定严格了
$far='boo';
$far[1][]='boo';
运行这段脚本就会产生这样的错误。改正也非常简单，只要加一句：
$far='boo';
$far=array();
$far[1][]='boo';