source: trunk/www.guidonia.net/wp/wp-content/plugins/fbconnect/fbConfig_php5.php@ 44

<?php
/**
 * @author: Javier Reyes Gomez (http://www.sociable.es)
 * @date: 05/10/2008
 * @license: GPLv2
 */

function fb_get_loggedin_user() {
        try{
                $fbclient = & facebook_client();
                if ($fbclient)
                        return $fbclient->get_loggedin_user();
        }catch (FacebookRestClientException $e) {
                //echo "Facebook connect error:".$e->getCode();
        }
        return null;
}

function fb_user_getInfo($fb_user) {
        try{
                $fbclient = & facebook_client();
                if ($fbclient){
                        $fbapi_client = & $fbclient->api_client;
                        $userinfo = $fbapi_client->users_getInfo($fb_user, "about_me,profile_url,first_name,last_name,birthday,current_location,locale,sex,pic,pic_with_logo,pic_small,pic_small_with_logo,pic_big_with_logo,pic_big,pic_square,pic_square_with_logo,affiliations,email_hashes,hometown_location,hs_info,education_history,interests,meeting_for,meeting_sex,movies,music,political,profile_update_time,proxied_email,quotes,relationship_status,religion,significant_other_id,timezone,tv,work_history");
                        if (isset($userinfo[0])){
                                return $userinfo[0];
                        }else{
                                return $userinfo;
                        }
                }
        }catch (FacebookRestClientException $e) {
                //echo "Facebook connect error:".$e->getCode();
        }
        return null;
}

function fb_feed_getRegisteredTemplateBundles() {
        try{
                $fbclient = & facebook_client();
                if ($fbclient){
                        $fbapi_client = & $fbclient->api_client;
                        return $fbapi_client->feed_getRegisteredTemplateBundles();
                }
        }catch (FacebookRestClientException $e) {
                //echo "Facebook connect error:".$e->getCode();
        }
        return null;
}

function fb_feed_registerTemplateBundle($one_line_stories,$short_stories,$full_stories){
        try{
                $fbclient = & facebook_client();
                if ($fbclient){
                        $fbapi_client = & $fbclient->api_client;
                        return $fbapi_client->feed_registerTemplateBundle($one_line_stories,$short_stories,$full_stories);
                }
        }catch (FacebookRestClientException $e) {
                //echo "Facebook connect error:".$e->getCode();
        }
        return null;
}

function fb_feed_deactivateTemplateBundleByID($templateID){
         try{
                $fbclient = & facebook_client();
                if ($fbclient){         
                        $fbapi_client = & $fbclient->api_client;
                        $fbapi_client->feed_deactivateTemplateBundleByID($templateID);
                }
        }catch (FacebookRestClientException $e) {
                //echo "Facebook connect error:".$e->getCode();
        }
        return null;    
}

function fb_feed_getRegisteredTemplateBundleByID($templateID){
         try{
                $fbclient = & facebook_client();
                if ($fbclient){         
                        $fbapi_client = & $fbclient->api_client;
                        return $fbapi_client->feed_getRegisteredTemplateBundleByID($templateID);
                }
        }catch (FacebookRestClientException $e) {
                //echo "Facebook connect error:".$e->getCode();
        }
        return null;
}

function fb_fql_query($query){
        try{
                $fbclient = & facebook_client();
                if ($fbclient){         
                        $fbapi_client = & $fbclient->api_client;
                        return $fbapi_client->fql_query($query);
                }
        }catch (FacebookRestClientException $e) {
                //echo "Facebook connect error:".$e->getCode();
        }
        return null;
}
function fb_expire_session(){
        try {
        
                $fbclient = & facebook_client();
            if ($fbclient && $fbclient->get_loggedin_user()!="") {
                        $fbclient->expire_session();
                }
        }catch (Exception $e) {
        // nothing, probably an expired session
        }
}

function fb_feed_publishUserAction($template_data){
        try {
                $fbclient = & facebook_client();
                if ($fbclient){         
                        $fbapi_client = & $fbclient->api_client;
                        $feed_bundle_id = get_option('fb_templates_id');
                        $fbapi_client->feed_publishUserAction( $feed_bundle_id, 
                                                   json_encode($template_data) , 
                                                   null, 
                                                  null,2);
                }
        }catch (Exception $e) {
        // nothing, probably an expired session
        }
}

function fb_events_get($uid=null, $eids=null, $start_time=null, $end_time=null, $rsvp_status=null){
        try {
                $fbclient = & facebook_client();
                if ($fbclient){         
                        $fbapi_client = & $fbclient->api_client;
                        return $fbapi_client->events_get( $uid, $eids, $start_time, $end_time, $rsvp_status);
                }
        }catch (Exception $e) {
        // nothing, probably an expired session
        }
}

function fb_photos_getAlbums($uid=null, $aids=null) {
        try {
                $fbclient = & facebook_client();
                if ($fbclient){         
                        $fbapi_client = & $fbclient->api_client;
                        return $fbapi_client->photos_getAlbums($uid, $aids);
                }
        }catch (Exception $e) {
        // nothing, probably an expired session
        }

}

function fb_photos_get($subj_id=null, $aid=null, $pids=null){
        try {
                $fbclient = & facebook_client();
                if ($fbclient){         
                        $fbapi_client = & $fbclient->api_client;
                        return $fbapi_client->photos_get($subj_id, $aid, $pids);
                }
        }catch (Exception $e) {
                print_r($e);
                echo "ERROR";
        // nothing, probably an expired session
        }
}               

function fb_users_getStandardInfo($uids=null, $fields=null) {
        try {
                $fbclient = & facebook_client();
                if ($fbclient){         
                        $fbapi_client = & $fbclient->api_client;
                        return $fbapi_client->users_getStandardInfo($uids, $fields);
                }
        }catch (Exception $e) {
                print_r($e);
                echo "ERROR";
        // nothing, probably an expired session
        }

}

function fb_showFeedDialog(){
                $template_data = $_SESSION["template_data"];
                if (isset($template_data) && $template_data!=""){
                                echo "<script type='text/javascript'>\n";
                                //echo "jQuery(window).ready(function() {\n";  NO FUNCIONA COMO EL ONLOAD
                                echo "window.onload = function() {\n";
                                        echo "FB.ensureInit(function(){\n";
                                        echo "    FB.Connect.showFeedDialog(".get_option('fb_templates_id').", ".json_encode($template_data).", null, null, FB.FeedStorySize.full , FB.RequireConnect.promptConnect);";
                                        echo "});\n";
                                echo "   };\n";
                                //echo "   });\n";
                                echo "  </script>";
                                $_SESSION["template_data"] = "";
                }
                

}

function fb_hash($email) {
      $normalizedAddress = trim(strtolower($email));
      //crc32 outputs signed int
      $crc = crc32($normalizedAddress);
      //output in unsigned int format
      $unsignedCrc = sprintf('%u', $crc);
      $md5 = md5($normalizedAddress);
      return "{$unsignedCrc}_{$md5}";
}
        
function fb_connect_registerUsers($accounts=null){
        try {
                $fbclient = & facebook_client();
                if ($fbclient){         
                        $fbapi_client = & $fbclient->api_client;
                        return $fbapi_client->connect_registerUsers(json_encode($accounts));
                }
        }catch (Exception $e) {
                print_r($e);
                echo "ERROR";
        // nothing, probably an expired session
        }       
}