<?

class SocialSharesCount {

    private $_networks;
    private $_url;
    private $_result = null;

    function __construct ($url,$networks = null) {
        $this->_networks = ($networks!=null)?$networks:$this->_getAllSocials();
        $this->_url = urlencode($url);
    }

    private function _getSocial_moimir() {
        if (!($request = file_get_contents('http://connect.mail.ru/share_count?callback=1&url_list='.$this->_url.'&func=a')))
            return false;
        $tmp = array();
        if (!(preg_match('{\"shares\":(\d+),\"clicks\":(\d+)}',$request,$tmp)))
            return 0;
        else {
            return $tmp[1];
        }
    }

    private function _getSocial_odnoklassniki() {
        if (!($request = file_get_contents('http://www.odnoklassniki.ru/dk?st.cmd=extOneClickLike&uid=odklocs0&ref='.$this->_url)))
            return false;
        $tmp = array();
        if (!(preg_match("/^ODKL.updateCountOC\('[\d\w]+','(\d+)','(\d+)','(\d+)'\);$/i",$request,$tmp)))
            return false;
        return $tmp[1];
    }

    private function _getSocial_yaru() {
        if (!($request = file_get_contents('http://wow.ya.ru/ajax/share-counter.xml?url='.$this->_url)))
            return false;
        $tmp = array();
        if (!(preg_match("/(\s+)(\d+)(\s*)/i",$request,$tmp)))
            return false;
        return $tmp[2];
    }

    private function _getSocial_buzz() {
        if (!($request = file_get_contents('http://www.google.com/buzz/api/buzzThis/buzzCounter?url='.$this->_url)))
            return false;
        $tmp = array();
        if (!(preg_match('/^google_buzz_set_count\({"(.*?)":(\d+)}\);$/i',$request,$tmp)))
            return false;
        return $tmp[2];
    }

    private function _getSocial_linkedin() {
        if (!($request = file_get_contents('http://www.linkedin.com/cws/share-count?url='.$this->_url)))
            return false;
        $tmp = array();
        if (!(preg_match('/^IN.Tags.Share.handleCount\({"count":(\d+),"url":"(.*?)"}\);$/i',$request,$tmp)))
            return false;
        return $tmp[1];
    }

    private function _getSocial_twitter() {
        if (!($request = file_get_contents('http://urls.api.twitter.com/1/urls/count.json?url='.$this->_url)))
            return false;
        $twitter = json_decode($request);
        return ($twitter===NULL OR !isset($twitter->count))?false:$twitter->count;
    }

    private function _getSocial_facebook() {
        if (!($request = file_get_contents('http://graph.facebook.com/'.$this->_url)))
            return false;
        $fb = json_decode($request);
        return ($fb===NULL OR !isset($fb->shares))?0:$fb->shares;
    }

    private function _getSocial_vkontakte() {
        if (!($request = file_get_contents('http://vkontakte.ru/share.php?act=count&index=1&url='.$this->_url)))
            return false;
        $tmp = array();
        if (!(preg_match('/^VK.Share.count\((\d+), (\d+)\);$/i',$request,$tmp)))
            return false;
        return $tmp[2];
    }
    
    private function _getSocial_plusone() {
        if (!($request = file_get_contents('https://plusone.google.com/_/+1/fastbutton?url='.$this->_url)))
            return false;
        $tmp = array();
        if (!(preg_match('/\<div id\=\"aggregateCount\" class\=\"in\"\>(\d+)\<\/div\>/i',$request,$tmp)))
            return false;
        return $tmp[1];
    }
    
    private function _getAllSocials() {
        $exists_socials = array();
        $methlist = get_class_methods($this);
        foreach ($methlist as $method) {
            $tmp = array();
            if (preg_match('/^_getSocial_([\w\d]+)$/i',$method,$tmp))
                $exists_socials[] = $tmp[1];
            }
        return $exists_socials;
    }

    public function get() {
        $this->_result = array();
        foreach ($this->_networks as $network) {
            $this->_result[$network] = false;
            if (method_exists($this,'_getSocial_'.$network)) {
                $this->_result[$network] = call_user_func(array($this, '_getSocial_'.$network));
            }
            else {
                trigger_error('SocialSharesCount: Unknown social network "'.$network.'"',E_USER_WARNING);
            }
        }
        return $this->_result;
    }

}

?>