Read JSON file and then output what was read ... 
[
{
    "_id": 39,
    "author": "Oscar Wilde",
    "text": "Always forgive your enemies; nothing annoys them so much.",
    "adjective": "controversial"
},
{
    "_id": 40,
    "author": "Porter Scobey",
    "text": "The sooner you start to type, the longer it's going to take.",
    "adjective": "personal"
}
]

Decode the JSON to PHP and then output some info ... 
Type of $quotes_data: array
Size of $quotes_data: 2
Here is the first author: Oscar Wilde

Display all the quote information ... 
39
Oscar Wilde
controversial
Always forgive your enemies; nothing annoys them so much.
40
Porter Scobey
personal
The sooner you start to type, the longer it's going to take.