Get social counts from Facebook, Twitter, GPlus

get-social-counts.php

<?php

/* Return object of shared counts */
function get_social_count( $link ) {
	$r = (object)array();
	$r->facebook = get_social_count_facebook($link);
	$r->twitter = get_social_count_twitter($link);
	$r->gplus = get_social_count_gplus($link);
	return $r;
}

/* Return shared counts */
function get_social_count_facebook( $link ) {
	$link = urlencode($link);
	$data = file_get_contents("http://graph.facebook.com/?id=$link");
	$json = json_decode($data, true);
	$count = $json["shares"];
	return $count ? $count : 0;
}

/* Return retweet counts */
function get_social_count_twitter( $link ) {
	$link = urlencode($link);
	$data = file_get_contents("http://urls.api.twitter.com/1/urls/count.json?url={$link}");
	$json = json_decode($data, true);
	$count = $json["count"];
	return $count ? $count : 0;
}

/* Return shared counts */
function get_social_count_gplus( $link ) {
	$ch = curl_init();  
	curl_setopt($ch, CURLOPT_URL, "https://clients6.google.com/rpc?key=AIzaSyCKSbrvQasunBoV16zDH9R33D88CeLr9gQ");
	curl_setopt($ch, CURLOPT_POST, 1);
	curl_setopt($ch, CURLOPT_POSTFIELDS, '[{"method":"pos.plusones.get","id":"p","params":{"nolog":true,"id":"'.$link.'","source":"widget","userId":"@viewer","groupId":"@self"},"jsonrpc":"2.0","key":"p","apiVersion":"v1"}]');
	curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
	curl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-type: application/json'));
	$data = curl_exec ($ch);
	curl_close ($ch);
	$json = json_decode($data, true);
 	$count = $json[0]['result']['metadata']['globalCounts']['count'];
 	return $count ? $count : 0;
}

?>