<?php

$url = filter_input(INPUT_POST, 'url', FILTER_DEFAULT);

$curl = curl_init();
curl_setopt($curl, CURLOPT_URL, "https://clients6.google.com/rpc");
curl_setopt($curl, CURLOPT_POST, 1);
curl_setopt($curl, CURLOPT_POSTFIELDS, '[{"method":"pos.plusones.get","id":"p","params":{"nolog":true,"id":"' . $url . '","source":"widget","userId":"@viewer","groupId":"@self"},"jsonrpc":"2.0","key":"p","apiVersion":"v1"}]');
curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
curl_setopt($curl, CURLOPT_HTTPHEADER, array('Content-type: application/json'));
$curl_results = curl_exec($curl);
curl_close($curl);
$json = json_decode($curl_results, true);

if (!empty($json[0]['result']['metadata']['globalCounts']['count'])):
    echo intval($json[0]['result']['metadata']['globalCounts']['count']);
endif;
