diff --git a/root/portal/block/announcements.php b/root/portal/block/announcements.php
index 37904e58..4582a20d 100644
--- a/root/portal/block/announcements.php
+++ b/root/portal/block/announcements.php
@@ -95,7 +95,7 @@ $fetch_news = phpbb_fetch_posts($portal_config['portal_global_announcements_foru
 
 			$str_where = ( strlen($str_where) > 0 ) ? 'AND (forum_id = 0 OR (' . trim(substr($str_where, 0, -4)) . '))' : '';
 			
-			$sql = 'SELECT sizeof(topic_id) AS num_topics
+			$sql = 'SELECT COUNT(topic_id) AS num_topics
 				FROM ' . TOPICS_TABLE . '
 				WHERE ((topic_type = ' . POST_GLOBAL . ')
 					OR topic_type = ' . POST_ANNOUNCE . ')
diff --git a/root/portal/block/news.php b/root/portal/block/news.php
index c0188e00..032014c7 100644
--- a/root/portal/block/news.php
+++ b/root/portal/block/news.php
@@ -93,7 +93,7 @@ $fetch_news = phpbb_fetch_posts($portal_config['portal_news_forum'], $portal_con
 
 			$topic_type = ($portal_config['portal_show_all_news']) ? '( topic_type <> ' . POST_ANNOUNCE . ' ) AND ( topic_type <> ' . POST_GLOBAL . ')' : 'topic_type = ' . POST_NORMAL;
 
-			$sql = 'SELECT sizeof(topic_id) AS num_topics
+			$sql = 'SELECT COUNT(topic_id) AS num_topics
 				FROM ' . TOPICS_TABLE . '
 				WHERE ' . $topic_type . '
 					AND topic_approved = 1
diff --git a/root/portal/block/statistics.php b/root/portal/block/statistics.php
index 4ef96f89..eb4e5046 100644
--- a/root/portal/block/statistics.php
+++ b/root/portal/block/statistics.php
@@ -28,19 +28,19 @@ function get_db_stat($mode)
 	switch( $mode )
 	{
 		case 'announcementtotal':
-			$sql = 'SELECT sizeof(distinct t.topic_id) AS announcement_total
+			$sql = 'SELECT COUNT(distinct t.topic_id) AS announcement_total
 				FROM ' . TOPICS_TABLE . ' t, ' . POSTS_TABLE . ' p
 				WHERE t.topic_type = ' . POST_ANNOUNCE . '
 					AND p.post_id = t.topic_first_post_id';
 		break;
 		case 'stickytotal':
-			$sql = 'SELECT sizeof(distinct t.topic_id) AS sticky_total
+			$sql = 'SELECT COUNT(distinct t.topic_id) AS sticky_total
 				FROM ' . TOPICS_TABLE . ' t, ' . POSTS_TABLE . ' p
 				WHERE t.topic_type = ' . POST_STICKY . '
 					AND p.post_id = t.topic_first_post_id';
 		break;
 		case 'attachmentstotal':
-			$sql = 'SELECT sizeof(attach_id) AS attachments_total
+			$sql = 'SELECT COUNT(attach_id) AS attachments_total
 					FROM ' . ATTACHMENTS_TABLE;
 		break;
 	}
diff --git a/root/portal/block/user_menu.php b/root/portal/block/user_menu.php
index 2c01e994..d55a2183 100644
--- a/root/portal/block/user_menu.php
+++ b/root/portal/block/user_menu.php
@@ -26,7 +26,7 @@ if (!defined('IN_PORTAL'))
 if ($user->data['is_registered'])
 {
 	// new posts since last visit
-	$sql = "SELECT sizeof(distinct post_id) as total
+	$sql = "SELECT COUNT(distinct post_id) as total
 		FROM " . POSTS_TABLE . "
 		WHERE post_time >= " . $user->data['session_last_visit'];
 	$result = $db->sql_query($sql);
diff --git a/root/portal/block/whois_online.php b/root/portal/block/whois_online.php
index c69d2c78..ae39f3d7 100644
--- a/root/portal/block/whois_online.php
+++ b/root/portal/block/whois_online.php
@@ -83,7 +83,7 @@ if ($config['load_online'] && $config['load_online_time'] && $display_online_lis
 	{
 		if ($db->sql_layer === 'sqlite')
 		{
-			$sql = 'SELECT sizeof(session_ip) as num_guests
+			$sql = 'SELECT COUNT(session_ip) as num_guests
 				FROM (
 					SELECT DISTINCT s.session_ip
 						FROM ' . SESSIONS_TABLE . ' s
@@ -94,7 +94,7 @@ if ($config['load_online'] && $config['load_online_time'] && $display_online_lis
 		}
 		else
 		{
-			$sql = 'SELECT sizeof(DISTINCT s.session_ip) as num_guests
+			$sql = 'SELECT COUNT(DISTINCT s.session_ip) as num_guests
 				FROM ' . SESSIONS_TABLE . ' s
 				WHERE s.session_user_id = ' . ANONYMOUS . '
 					AND s.session_time >= ' . (time() - ($config['load_online_time'] * 60)) .