Get social shares for an URL

getSocialSharesFor.php

<?php

function getSocialSharesFor($url){
    $results = [];

    // Facebook
        $data = json_decode(file_get_contents('https://graph.facebook.com/'.urlencode($url)));
        $results['facebook'] = isset($data->shares)?intval($data->shares):0;
    
    // Twitter
        $data = json_decode(file_get_contents('http://urls.api.twitter.com/1/urls/count.json?url='.urlencode($url)));
        $results['twitter'] = isset($data->count)?intval($data->count):0;

    // Google+
    // https://gist.github.com/eyecatchup/8495140
        foreach (array('apis', 'plusone') as $host) {
            $ch = curl_init(sprintf('https://%s.google.com/u/0/_/+1/fastbutton?url=%s',$host, urlencode($url)));
            curl_setopt_array($ch, array(
                CURLOPT_FOLLOWLOCATION => 1,
                CURLOPT_RETURNTRANSFER => 1,
                CURLOPT_SSL_VERIFYPEER => 0,
                CURLOPT_USERAGENT      => 'Mozilla/5.0 (Windows NT 6.1; WOW64) ' .
                                          'AppleWebKit/537.36 (KHTML, like Gecko) ' .
                                          'Chrome/32.0.1700.72 Safari/537.36' ));
            $response = curl_exec($ch);
            $curlinfo = curl_getinfo($ch);
            curl_close($ch);
     
            if (200 === $curlinfo['http_code'] && 0 < strlen($response)) { break 1; }
            $response = 0;
        }
        if ($response){
          preg_match_all('/window\.__SSR\s\=\s\{c:\s(\d+?)\./', $response, $match, PREG_SET_ORDER);
          $results['googleplus'] = (1 === sizeof($match) && 2 === sizeof($match[0])) ? intval($match[0][1]) : 0;
        } else $results['googleplus'] = 0;

 
    // Pinterest
        $data = json_decode(preg_replace('/^receiveCount\((.*)\)$/', '$1', 
          file_get_contents('http://api.pinterest.com/v1/urls/count.json?url='.$url)));
        $results['pinterest'] =  isset($data->count)?intval($data->count):0;
     
    // Linkedin
        $data = json_decode(file_get_contents('http://www.linkedin.com/countserv/count/share?url='.urlencode($url).'&format=json'));
        $results['linkedin'] = isset($data->count)?intval($data->count):0;

 
    $results['total'] = array_sum($results);
    return $results; 
}
 


 
print_r(
    getSocialSharesFor('http://www.apple.com')
);

/*
Array
(
    [facebook] => 396727
    [twitter] => 1164819
    [googleplus] => 28323
    [pinterest] => 715
    [linkedin] => 703
    [total] => 1591287
)
*/