HATEOAS php parse

HATEOAS-example.php

http://localhost:8080/contacts/pages?size=5&page=2
/*
{
    "page": 2,
    "message": null,
    "status": "SUCCESS",
    "errors": null,
    "size": 5,
    "content": [
        {
            "id": 11,
            "firstname": "Fifi",
            "lastname": "Duck",
            "age": 8
        },
        {
            "id": 12,
            "firstname": "Loulou",
            "lastname": "Duck",
            "age": 8
        }
    ],
    "numberOfElements": 2,
    "totalElements": 12,
    "totalPages": 3,
    "_links": {
        "prev": {
            "href": "http://localhost:8080/contacts/pages?size=5&page=1"
        },
        "first": {
            "href": "http://localhost:8080/contacts/pages?size=5&page=0"
        },
        "last": {
            "href": "http://localhost:8080/contacts/pages?size=5&page=2"
        }
    }
}
*/

<?php
include('./httpful.phar');

$uri = "http://localhost:8080/contacts/pages?page=1&size=5";
$response = \Httpful\Request::get($uri)->send();
$link = "_links";

echo ($response->body->$link->prev->href); // http://localhost:8080/contacts/pages?size=5&page=0
?>


//refer : http://phphttpclient.com/#h