Dropped deprecated timestamp-based 'since' parameter for all API methods. When it sneaks in it can cause some very slow queries due to mismatches with the indexing.

Twitter removed 'since' support some time ago, and we've already removed it from the public timeline, so it shouldn't be missed.

19 files changed, 57 insertions, 109 deletions

diff --git a/actions/apidirectmessage.php b/actions/apidirectmessage.php
index 5355acf82..53da9e0c6 100644
--- a/actions/apidirectmessage.php
+++ b/actions/apidirectmessage.php
@@ -182,11 +182,6 @@ class ApiDirectMessageAction extends ApiAuthAction
             $message->whereAdd('id > ' . $this->since_id);
         }
 
-        if (!empty($since)) {
-            $d = date('Y-m-d H:i:s', $this->since);
-            $message->whereAdd("created > '$d'");
-        }
-
         $message->orderBy('created DESC, id DESC');
         $message->limit((($this->page - 1) * $this->count), $this->count);
         $message->find();
diff --git a/actions/apigrouplist.php b/actions/apigrouplist.php
index 605b38232..98fdb0497 100644
--- a/actions/apigrouplist.php
+++ b/actions/apigrouplist.php
@@ -152,8 +152,7 @@ class ApiGroupListAction extends ApiBareAuthAction
             ($this->page - 1) * $this->count,
             $this->count,
             $this->since_id,
-            $this->max_id,
-            $this->since
+            $this->max_id
         );
 
         while ($group->fetch()) {
diff --git a/actions/apigroupmembership.php b/actions/apigroupmembership.php
index 3c7c8e883..9f72b527c 100644
--- a/actions/apigroupmembership.php
+++ b/actions/apigroupmembership.php
@@ -125,8 +125,7 @@ class ApiGroupMembershipAction extends ApiPrivateAuthAction
             ($this->page - 1) * $this->count,
             $this->count,
             $this->since_id,
-            $this->max_id,
-            $this->since
+            $this->max_id
         );
 
         while ($profile->fetch()) {
diff --git a/actions/apitimelinefriends.php b/actions/apitimelinefriends.php
index 2db76857e..9ef3ace60 100644
--- a/actions/apitimelinefriends.php
+++ b/actions/apitimelinefriends.php
@@ -202,11 +202,11 @@ class ApiTimelineFriendsAction extends ApiBareAuthAction
         if (!empty($this->auth_user) && $this->auth_user->id == $this->user->id) {
             $notice = $this->user->ownFriendsTimeline(($this->page-1) * $this->count,
                                                       $this->count, $this->since_id,
-                                                      $this->max_id, $this->since);
+                                                      $this->max_id);
         } else {
             $notice = $this->user->friendsTimeline(($this->page-1) * $this->count,
                                                    $this->count, $this->since_id,
-                                                   $this->max_id, $this->since);
+                                                   $this->max_id);
         }
 
         while ($notice->fetch()) {
diff --git a/actions/apitimelinegroup.php b/actions/apitimelinegroup.php
index 04456ffea..d0af49844 100644
--- a/actions/apitimelinegroup.php
+++ b/actions/apitimelinegroup.php
@@ -204,8 +204,7 @@ class ApiTimelineGroupAction extends ApiPrivateAuthAction
             ($this->page-1) * $this->count,
             $this->count,
             $this->since_id,
-            $this->max_id,
-            $this->since
+            $this->max_id
         );
 
         while ($notice->fetch()) {
diff --git a/actions/apitimelinehome.php b/actions/apitimelinehome.php
index 0c72f4020..abd387786 100644
--- a/actions/apitimelinehome.php
+++ b/actions/apitimelinehome.php
@@ -200,13 +200,13 @@ class ApiTimelineHomeAction extends ApiBareAuthAction
             $notice = $this->user->noticeInbox(
                 ($this->page-1) * $this->count,
                 $this->count, $this->since_id,
-                $this->max_id, $this->since
+                $this->max_id
             );
         } else {
             $notice = $this->user->noticesWithFriends(
                 ($this->page-1) * $this->count,
                 $this->count, $this->since_id,
-                $this->max_id, $this->since
+                $this->max_id
             );
         }
 
diff --git a/actions/apitimelinementions.php b/actions/apitimelinementions.php
index a39c63346..31627ab7b 100644
--- a/actions/apitimelinementions.php
+++ b/actions/apitimelinementions.php
@@ -189,7 +189,7 @@ class ApiTimelineMentionsAction extends ApiBareAuthAction
 
         $notice = $this->user->getReplies(
             ($this->page - 1) * $this->count, $this->count,
-            $this->since_id, $this->max_id, $this->since
+            $this->since_id, $this->max_id
         );
 
         while ($notice->fetch()) {
diff --git a/actions/apitimelinepublic.php b/actions/apitimelinepublic.php
index 1ff0fd261..3e4dad690 100644
--- a/actions/apitimelinepublic.php
+++ b/actions/apitimelinepublic.php
@@ -75,10 +75,6 @@ class ApiTimelinePublicAction extends ApiPrivateAuthAction
 
         $this->notices = $this->getNotices();
 
-        if ($this->since) {
-            throw new ServerException("since parameter is disabled for performance; use since_id", 403);
-        }
-
         return true;
     }
 
diff --git a/actions/apitimelineuser.php b/actions/apitimelineuser.php
index b3ded97c0..94491946c 100644
--- a/actions/apitimelineuser.php
+++ b/actions/apitimelineuser.php
@@ -211,7 +211,7 @@ class ApiTimelineUserAction extends ApiBareAuthAction
 
         $notice = $this->user->getNotices(
             ($this->page-1) * $this->count, $this->count,
-            $this->since_id, $this->max_id, $this->since
+            $this->since_id, $this->max_id
         );
 
         while ($notice->fetch()) {
diff --git a/classes/Fave.php b/classes/Fave.php
index 0b6eec2bc..a04f15e9c 100644
--- a/classes/Fave.php
+++ b/classes/Fave.php
@@ -77,7 +77,7 @@ class Fave extends Memcached_DataObject
         return $ids;
     }
 
-    function _streamDirect($user_id, $own, $offset, $limit, $since_id, $max_id, $since)
+    function _streamDirect($user_id, $own, $offset, $limit, $since_id, $max_id)
     {
         $fav = new Fave();
         $qry = null;
@@ -100,10 +100,6 @@ class Fave extends Memcached_DataObject
             $qry .= 'AND notice_id <= ' . $max_id . ' ';
         }
 
-        if (!is_null($since)) {
-            $qry .= 'AND modified > \'' . date('Y-m-d H:i:s', $since) . '\' ';
-        }
-
         // NOTE: we sort by fave time, not by notice time!
 
         $qry .= 'ORDER BY modified DESC ';
diff --git a/classes/Inbox.php b/classes/Inbox.php
index be62611a1..014ba3d82 100644
--- a/classes/Inbox.php
+++ b/classes/Inbox.php
@@ -137,7 +137,7 @@ class Inbox extends Memcached_DataObject
         }
     }
 
-    function stream($user_id, $offset, $limit, $since_id, $max_id, $since, $own=false)
+    function stream($user_id, $offset, $limit, $since_id, $max_id, $own=false)
     {
         $inbox = Inbox::staticGet('user_id', $user_id);
 
@@ -195,15 +195,15 @@ class Inbox extends Memcached_DataObject
      * @param int $limit
      * @param mixed $since_id return only notices after but not including this id
      * @param mixed $max_id return only notices up to and including this id
-     * @param mixed $since obsolete/ignored
      * @param mixed $own ignored?
      * @return array of Notice objects
      *
      * @todo consider repacking the inbox when this happens?
+     * @fixme reimplement $own if we need it?
      */
-    function streamNotices($user_id, $offset, $limit, $since_id, $max_id, $since, $own=false)
+    function streamNotices($user_id, $offset, $limit, $since_id, $max_id, $own=false)
     {
-        $ids = self::stream($user_id, $offset, self::MAX_NOTICES, $since_id, $max_id, $since, $own);
+        $ids = self::stream($user_id, $offset, self::MAX_NOTICES, $since_id, $max_id, $own);
 
         // Do a bulk lookup for the first $limit items
         // Fast path when nothing's deleted.
diff --git a/classes/Notice.php b/classes/Notice.php
index 3702dbcfa..22dcbcd74 100644
--- a/classes/Notice.php
+++ b/classes/Notice.php
@@ -559,17 +559,17 @@ class Notice extends Memcached_DataObject
         }
     }
 
-    function publicStream($offset=0, $limit=20, $since_id=0, $max_id=0, $since=null)
+    function publicStream($offset=0, $limit=20, $since_id=0, $max_id=0)
     {
         $ids = Notice::stream(array('Notice', '_publicStreamDirect'),
                               array(),
                               'public',
-                              $offset, $limit, $since_id, $max_id, $since);
+                              $offset, $limit, $since_id, $max_id);
 
         return Notice::getStreamByIds($ids);
     }
 
-    function _publicStreamDirect($offset=0, $limit=20, $since_id=0, $max_id=0, $since=null)
+    function _publicStreamDirect($offset=0, $limit=20, $since_id=0, $max_id=0)
     {
         $notice = new Notice();
 
@@ -598,10 +598,6 @@ class Notice extends Memcached_DataObject
             $notice->whereAdd('id <= ' . $max_id);
         }
 
-        if (!is_null($since)) {
-            $notice->whereAdd('created > \'' . date('Y-m-d H:i:s', $since) . '\'');
-        }
-
         $ids = array();
 
         if ($notice->find()) {
@@ -616,17 +612,17 @@ class Notice extends Memcached_DataObject
         return $ids;
     }
 
-    function conversationStream($id, $offset=0, $limit=20, $since_id=0, $max_id=0, $since=null)
+    function conversationStream($id, $offset=0, $limit=20, $since_id=0, $max_id=0)
     {
         $ids = Notice::stream(array('Notice', '_conversationStreamDirect'),
                               array($id),
                               'notice:conversation_ids:'.$id,
-                              $offset, $limit, $since_id, $max_id, $since);
+                              $offset, $limit, $since_id, $max_id);
 
         return Notice::getStreamByIds($ids);
     }
 
-    function _conversationStreamDirect($id, $offset=0, $limit=20, $since_id=0, $max_id=0, $since=null)
+    function _conversationStreamDirect($id, $offset=0, $limit=20, $since_id=0, $max_id=0)
     {
         $notice = new Notice();
 
@@ -649,10 +645,6 @@ class Notice extends Memcached_DataObject
             $notice->whereAdd('id <= ' . $max_id);
         }
 
-        if (!is_null($since)) {
-            $notice->whereAdd('created > \'' . date('Y-m-d H:i:s', $since) . '\'');
-        }
-
         $ids = array();
 
         if ($notice->find()) {
@@ -1270,16 +1262,16 @@ class Notice extends Memcached_DataObject
         }
     }
 
-    function stream($fn, $args, $cachekey, $offset=0, $limit=20, $since_id=0, $max_id=0, $since=null)
+    function stream($fn, $args, $cachekey, $offset=0, $limit=20, $since_id=0, $max_id=0)
     {
         $cache = common_memcache();
 
         if (empty($cache) ||
-            $since_id != 0 || $max_id != 0 || (!is_null($since) && $since > 0) ||
+            $since_id != 0 || $max_id != 0 ||
             is_null($limit) ||
             ($offset + $limit) > NOTICE_CACHE_WINDOW) {
             return call_user_func_array($fn, array_merge($args, array($offset, $limit, $since_id,
-                                                                      $max_id, $since)));
+                                                                      $max_id)));
         }
 
         $idkey = common_cache_key($cachekey);
diff --git a/classes/Notice_inbox.php b/classes/Notice_inbox.php
index c27dcdfd6..47ed6b22d 100644
--- a/classes/Notice_inbox.php
+++ b/classes/Notice_inbox.php
@@ -49,12 +49,12 @@ class Notice_inbox extends Memcached_DataObject
     /* the code above is auto generated do not remove the tag below */
     ###END_AUTOCODE
 
-    function stream($user_id, $offset, $limit, $since_id, $max_id, $since, $own=false)
+    function stream($user_id, $offset, $limit, $since_id, $max_id, $own=false)
     {
         throw new Exception('Notice_inbox no longer used; use Inbox');
     }
 
-    function _streamDirect($user_id, $own, $offset, $limit, $since_id, $max_id, $since)
+    function _streamDirect($user_id, $own, $offset, $limit, $since_id, $max_id)
     {
         throw new Exception('Notice_inbox no longer used; use Inbox');
     }
diff --git a/classes/Notice_tag.php b/classes/Notice_tag.php
index 4fd76e8ea..a5d0716a7 100644
--- a/classes/Notice_tag.php
+++ b/classes/Notice_tag.php
@@ -46,7 +46,7 @@ class Notice_tag extends Memcached_DataObject
         return Notice::getStreamByIds($ids);
     }
 
-    function _streamDirect($tag, $offset, $limit, $since_id, $max_id, $since)
+    function _streamDirect($tag, $offset, $limit, $since_id, $max_id)
     {
         $nt = new Notice_tag();
 
@@ -63,10 +63,6 @@ class Notice_tag extends Memcached_DataObject
             $nt->whereAdd('notice_id < ' . $max_id);
         }
 
-        if (!is_null($since)) {
-            $nt->whereAdd('created > \'' . date('Y-m-d H:i:s', $since) . '\'');
-        }
-
         $nt->orderBy('notice_id DESC');
 
         if (!is_null($offset)) {
diff --git a/classes/Profile.php b/classes/Profile.php
index 78223b34a..470ef3320 100644
--- a/classes/Profile.php
+++ b/classes/Profile.php
@@ -163,27 +163,27 @@ class Profile extends Memcached_DataObject
         return null;
     }
 
-    function getTaggedNotices($tag, $offset=0, $limit=NOTICES_PER_PAGE, $since_id=0, $max_id=0, $since=null)
+    function getTaggedNotices($tag, $offset=0, $limit=NOTICES_PER_PAGE, $since_id=0, $max_id=0)
     {
         $ids = Notice::stream(array($this, '_streamTaggedDirect'),
                               array($tag),
                               'profile:notice_ids_tagged:' . $this->id . ':' . $tag,
-                              $offset, $limit, $since_id, $max_id, $since);
+                              $offset, $limit, $since_id, $max_id);
         return Notice::getStreamByIds($ids);
     }
 
-    function getNotices($offset=0, $limit=NOTICES_PER_PAGE, $since_id=0, $max_id=0, $since=null)
+    function getNotices($offset=0, $limit=NOTICES_PER_PAGE, $since_id=0, $max_id=0)
     {
         // XXX: I'm not sure this is going to be any faster. It probably isn't.
         $ids = Notice::stream(array($this, '_streamDirect'),
                               array(),
                               'profile:notice_ids:' . $this->id,
-                              $offset, $limit, $since_id, $max_id, $since);
+                              $offset, $limit, $since_id, $max_id);
 
         return Notice::getStreamByIds($ids);
     }
 
-    function _streamTaggedDirect($tag, $offset, $limit, $since_id, $max_id, $since)
+    function _streamTaggedDirect($tag, $offset, $limit, $since_id, $max_id)
     {
         // XXX It would be nice to do this without a join
 
@@ -202,10 +202,6 @@ class Profile extends Memcached_DataObject
             $query .= " and id < $max_id";
         }
 
-        if (!is_null($since)) {
-            $query .= " and created > '" . date('Y-m-d H:i:s', $since) . "'";
-        }
-
         $query .= ' order by id DESC';
 
         if (!is_null($offset)) {
@@ -223,7 +219,7 @@ class Profile extends Memcached_DataObject
         return $ids;
     }
 
-    function _streamDirect($offset, $limit, $since_id, $max_id, $since = null)
+    function _streamDirect($offset, $limit, $since_id, $max_id)
     {
         $notice = new Notice();
 
@@ -240,10 +236,6 @@ class Profile extends Memcached_DataObject
             $notice->whereAdd('id <= ' . $max_id);
         }
 
-        if (!is_null($since)) {
-            $notice->whereAdd('created > \'' . date('Y-m-d H:i:s', $since) . '\'');
-        }
-
         $notice->orderBy('id DESC');
 
         if (!is_null($offset)) {
diff --git a/classes/Reply.php b/classes/Reply.php
index 49b1e05e5..659e04c92 100644
--- a/classes/Reply.php
+++ b/classes/Reply.php
@@ -22,16 +22,16 @@ class Reply extends Memcached_DataObject
     /* the code above is auto generated do not remove the tag below */
     ###END_AUTOCODE
 
-    function stream($user_id, $offset=0, $limit=NOTICES_PER_PAGE, $since_id=0, $max_id=0, $since=null)
+    function stream($user_id, $offset=0, $limit=NOTICES_PER_PAGE, $since_id=0, $max_id=0)
     {
         $ids = Notice::stream(array('Reply', '_streamDirect'),
                               array($user_id),
                               'reply:stream:' . $user_id,
-                              $offset, $limit, $since_id, $max_id, $since);
+                              $offset, $limit, $since_id, $max_id);
         return $ids;
     }
 
-    function _streamDirect($user_id, $offset=0, $limit=NOTICES_PER_PAGE, $since_id=0, $max_id=0, $since=null)
+    function _streamDirect($user_id, $offset=0, $limit=NOTICES_PER_PAGE, $since_id=0, $max_id=0)
     {
         $reply = new Reply();
         $reply->profile_id = $user_id;
@@ -44,10 +44,6 @@ class Reply extends Memcached_DataObject
             $reply->whereAdd('notice_id < ' . $max_id);
         }
 
-        if (!is_null($since)) {
-            $reply->whereAdd('modified > \'' . date('Y-m-d H:i:s', $since) . '\'');
-        }
-
         $reply->orderBy('notice_id DESC');
 
         if (!is_null($offset)) {
diff --git a/classes/User.php b/classes/User.php
index 10b1f4865..57d76731b 100644
--- a/classes/User.php
+++ b/classes/User.php
@@ -456,28 +456,28 @@ class User extends Memcached_DataObject
         return $user;
     }
 
-    function getReplies($offset=0, $limit=NOTICES_PER_PAGE, $since_id=0, $before_id=0, $since=null)
+    function getReplies($offset=0, $limit=NOTICES_PER_PAGE, $since_id=0, $before_id=0)
     {
-        $ids = Reply::stream($this->id, $offset, $limit, $since_id, $before_id, $since);
+        $ids = Reply::stream($this->id, $offset, $limit, $since_id, $before_id);
         return Notice::getStreamByIds($ids);
     }
 
-    function getTaggedNotices($tag, $offset=0, $limit=NOTICES_PER_PAGE, $since_id=0, $before_id=0, $since=null) {
+    function getTaggedNotices($tag, $offset=0, $limit=NOTICES_PER_PAGE, $since_id=0, $before_id=0) {
         $profile = $this->getProfile();
         if (!$profile) {
             return null;
         } else {
-            return $profile->getTaggedNotices($tag, $offset, $limit, $since_id, $before_id, $since);
+            return $profile->getTaggedNotices($tag, $offset, $limit, $since_id, $before_id);
         }
     }
 
-    function getNotices($offset=0, $limit=NOTICES_PER_PAGE, $since_id=0, $before_id=0, $since=null)
+    function getNotices($offset=0, $limit=NOTICES_PER_PAGE, $since_id=0, $before_id=0)
     {
         $profile = $this->getProfile();
         if (!$profile) {
             return null;
         } else {
-            return $profile->getNotices($offset, $limit, $since_id, $before_id, $since);
+            return $profile->getNotices($offset, $limit, $since_id, $before_id);
         }
     }
 
@@ -487,24 +487,24 @@ class User extends Memcached_DataObject
         return Notice::getStreamByIds($ids);
     }
 
-    function noticesWithFriends($offset=0, $limit=NOTICES_PER_PAGE, $since_id=0, $before_id=0, $since=null)
+    function noticesWithFriends($offset=0, $limit=NOTICES_PER_PAGE, $since_id=0, $before_id=0)
     {
-        return Inbox::streamNotices($this->id, $offset, $limit, $since_id, $before_id, $since, false);
+        return Inbox::streamNotices($this->id, $offset, $limit, $since_id, $before_id, false);
     }
 
-    function noticeInbox($offset=0, $limit=NOTICES_PER_PAGE, $since_id=0, $before_id=0, $since=null)
+    function noticeInbox($offset=0, $limit=NOTICES_PER_PAGE, $since_id=0, $before_id=0)
     {
-        return Inbox::streamNotices($this->id, $offset, $limit, $since_id, $before_id, $since, true);
+        return Inbox::streamNotices($this->id, $offset, $limit, $since_id, $before_id, true);
     }
 
-    function friendsTimeline($offset=0, $limit=NOTICES_PER_PAGE, $since_id=0, $before_id=0, $since=null)
+    function friendsTimeline($offset=0, $limit=NOTICES_PER_PAGE, $since_id=0, $before_id=0)
     {
-        return Inbox::streamNotices($this->id, $offset, $limit, $since_id, $before_id, $since, false);
+        return Inbox::streamNotices($this->id, $offset, $limit, $since_id, $before_id, false);
     }
 
-    function ownFriendsTimeline($offset=0, $limit=NOTICES_PER_PAGE, $since_id=0, $before_id=0, $since=null)
+    function ownFriendsTimeline($offset=0, $limit=NOTICES_PER_PAGE, $since_id=0, $before_id=0)
     {
-        return Inbox::streamNotices($this->id, $offset, $limit, $since_id, $before_id, $since, true);
+        return Inbox::streamNotices($this->id, $offset, $limit, $since_id, $before_id, true);
     }
 
     function blowFavesCache()
@@ -789,7 +789,7 @@ class User extends Memcached_DataObject
         return Notice::getStreamByIds($ids);
     }
 
-    function _repeatedByMeDirect($offset, $limit, $since_id, $max_id, $since)
+    function _repeatedByMeDirect($offset, $limit, $since_id, $max_id)
     {
         $notice = new Notice();
 
@@ -813,10 +813,6 @@ class User extends Memcached_DataObject
             $notice->whereAdd('id <= ' . $max_id);
         }
 
-        if (!is_null($since)) {
-            $notice->whereAdd('created > \'' . date('Y-m-d H:i:s', $since) . '\'');
-        }
-
         $ids = array();
 
         if ($notice->find()) {
@@ -836,12 +832,12 @@ class User extends Memcached_DataObject
         $ids = Notice::stream(array($this, '_repeatsOfMeDirect'),
                               array(),
                               'user:repeats_of_me:'.$this->id,
-                              $offset, $limit, $since_id, $max_id, null);
+                              $offset, $limit, $since_id, $max_id);
 
         return Notice::getStreamByIds($ids);
     }
 
-    function _repeatsOfMeDirect($offset, $limit, $since_id, $max_id, $since)
+    function _repeatsOfMeDirect($offset, $limit, $since_id, $max_id)
     {
         $qry =
           'SELECT DISTINCT original.id AS id ' .
@@ -856,10 +852,6 @@ class User extends Memcached_DataObject
             $qry .= 'AND original.id <= ' . $max_id . ' ';
         }
 
-        if (!is_null($since)) {
-            $qry .= 'AND original.modified > \'' . date('Y-m-d H:i:s', $since) . '\' ';
-        }
-
         // NOTE: we sort by fave time, not by notice time!
 
         $qry .= 'ORDER BY original.id DESC ';
diff --git a/classes/User_group.php b/classes/User_group.php
index 7240e2703..64fe024b3 100644
--- a/classes/User_group.php
+++ b/classes/User_group.php
@@ -91,7 +91,7 @@ class User_group extends Memcached_DataObject
         return Notice::getStreamByIds($ids);
     }
 
-    function _streamDirect($offset, $limit, $since_id, $max_id, $since)
+    function _streamDirect($offset, $limit, $since_id, $max_id)
     {
         $inbox = new Group_inbox();
 
@@ -108,10 +108,6 @@ class User_group extends Memcached_DataObject
             $inbox->whereAdd('notice_id <= ' . $max_id);
         }
 
-        if (!is_null($since)) {
-            $inbox->whereAdd('created > \'' . date('Y-m-d H:i:s', $since) . '\'');
-        }
-
         $inbox->orderBy('notice_id DESC');
 
         if (!is_null($offset)) {
diff --git a/lib/apiaction.php b/lib/apiaction.php
index 2af150ab9..8049c0901 100644
--- a/lib/apiaction.php
+++ b/lib/apiaction.php
@@ -63,7 +63,6 @@ class ApiAction extends Action
     var $count     = null;
     var $max_id    = null;
     var $since_id  = null;
-    var $since     = null;
 
     var $access    = self::READ_ONLY;  // read (default) or read-write
 
@@ -85,7 +84,10 @@ class ApiAction extends Action
         $this->count    = (int)$this->arg('count', 20);
         $this->max_id   = (int)$this->arg('max_id', 0);
         $this->since_id = (int)$this->arg('since_id', 0);
-        $this->since    = $this->arg('since');
+
+        if ($this->arg('since')) {
+            $this->clientError(_("since parameter is disabled for performance; use since_id"), 403);
+        }
 
         return true;
     }
@@ -1325,8 +1327,6 @@ class ApiAction extends Action
             case 'max_id':
                 $max_id = (int)$this->args['max_id'];
                 return ($max_id < 1) ? 0 : $max_id;
-            case 'since':
-                return strtotime($this->args['since']);
             default:
                 return parent::arg($key, $def);
             }