Whenever you need to convert object to array in your php project then you can do that using (array). It is a pretty simple example to convert php object into array that way you can use array. So, let's see the following example.
$myObject = new MyClass;
$myObject->id = 100;
$myObject->title = "posts";
$myObject->description = "this is posts";
$newArray = (array) $myObject;