Facebook like count url - php

Question

As Facebook changed their API and deprecated the old one, I need to get data (likes count, share count, comment count) about single pages.
I figured out how to get data over Facebook graph (example link):
https://graph.facebook.com/?fields=og_object{likes.limit(0).summary(true)},share&ids=http://www.businessinsider.com/airlines-dont-disclose-carrier-fee-that-inflates-ticket-prices-2016-9
But now I don't know how to echo single data (likes count) in php. I tried with json, but had no sucsess:
$json = file_get_contents($xml);
$json_output = json_decode($json);
Any suggestions how to make this work?

Answer 1

The API Explorer adds the Access Token automatically, but you have to add it manually in your URL:
https://graph.facebook.com/?fields=og_object{likes.limit(0).summary(true)},share&ids=http://www.businessinsider.com/airlines-dont-disclose-carrier-fee-that-inflates-ticket-prices-2016-9&access_token=xxx
Result:
{
"http://www.businessinsider.com/airlines-dont-disclose-carrier-fee-that-inflates-ticket-prices-2016-9": {
"og_object": {
"likes": {
"data": [
],
"summary": {
"total_count": 0,
"can_like": true,
"has_liked": false
}
},
"id": "949055545223224"
},
"share": {
"comment_count": 0,
"share_count": 346
},
"id": "http://www.businessinsider.com/airlines-dont-disclose-carrier-fee-that-inflates-ticket-prices-2016-9"
}
}

Answer 2

The results of json_decode() are Objects.
So you can easily browse through like this:
<?php
$url = 'https://graph.facebook.com/?fields=og_object{likes.limit(0).summary(true)},share&ids=http://www.businessinsider.com/airlines-dont-disclose-carrier-fee-that-inflates-ticket-prices-2016-9';
$json = file_get_contents($url);
$json_output = json_decode($json);
foreach( $json_output as $site=>$data ){
echo $site."\n";
echo $data->og_object->likes->summary->total_count;
}
?>