Convert php array to js array

How to convert php array to js array: 1. Convert $data into json encoding, and then use eval to convert the json format into js array; 2. Directly use the json encoded array in php.

The operating environment of this article: windows7 system, PHP7.1 version, DELL G3 computer

Convert php array to js array

Method 1:

In the controller:

	public function index()
    {
        $sql=Db::name('shuju')
            ->field('name')
            ->select();
        foreach($sql as $val)
        {
            $arr[]=$val['name'];
        }
        $this->assign('data',$arr);
        return $this->fetch('index');
    }

Look at it What kind of array is $arr:

In the view:

First convert $data into json encoding, and then use eval to convert the json format into js array

Method 2:

Use directly in php json encoded array

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