Allow Gazelle to run with mysql strict mode enabled.

classes/misc.class.php

       'AddedTime' => sqltime(),
       'Body' => $PostBody,
       'EditedUserID' => 0,
-      'EditedTime' => '0000-00-00 00:00:00',
+      'EditedTime' => NULL,
       'Username' => ''
       );
     G::$Cache->insert('', $Post);

classes/script_start.php

 
   // $LoggedUser['RatioWatch'] as a bool to disable things for users on Ratio Watch
   $LoggedUser['RatioWatch'] = (
-    $LoggedUser['RatioWatchEnds'] != '0000-00-00 00:00:00'
+    $LoggedUser['RatioWatchEnds'] != NULL
     && time() < strtotime($LoggedUser['RatioWatchEnds'])
     && ($LoggedUser['BytesDownloaded'] * $LoggedUser['RequiredRatio']) > $LoggedUser['BytesUploaded']
   );

classes/time.class.php

 
 function time_ago($TimeStamp) {
   if (!is_number($TimeStamp)) { // Assume that $TimeStamp is SQL timestamp
-    if ($TimeStamp == '0000-00-00 00:00:00') {
+    if ($TimeStamp == NULL) {
       return false;
     }
     $TimeStamp = strtotime($TimeStamp);
  */
 function time_diff($TimeStamp, $Levels = 2, $Span = true, $Lowercase = false) {
   if (!is_number($TimeStamp)) { // Assume that $TimeStamp is SQL timestamp
-    if ($TimeStamp == '0000-00-00 00:00:00') {
+    if ($TimeStamp == NULL) {
       return 'Never';
     }
     $TimeStamp = strtotime($TimeStamp);

classes/tools.class.php

       SELECT Warned
       FROM users_info
       WHERE UserID = $UserID
-        AND Warned != '0000-00-00 00:00:00'");
+        AND Warned != NULL");
     if (G::$DB->has_results()) {
       //User was already warned, appending new warning to old.
       list($OldDate) = G::$DB->next_record();

classes/users.class.php

             'Paranoia' => array(),
             'Artist' => false,
             'Donor' => false,
-            'Warned' => '0000-00-00 00:00:00',
+            'Warned' => NULL,
             'Avatar' => '',
             'Enabled' => 0,
             'Title' => '',
       G::$DB->set_query_id($OldQueryID);
     }
     if (strtotime($UserInfo['Warned']) < time()) {
-      $UserInfo['Warned'] = '0000-00-00 00:00:00';
+      $UserInfo['Warned'] = NULL;
       G::$Cache->cache_value("user_info_$UserID", $UserInfo, 2592000);
     }
 
       $Str .= Badges::display_badges(Badges::get_displayed_badges($UserID), true);
     }
 
-    $Str .= ($IsWarned && $UserInfo['Warned'] != '0000-00-00 00:00:00') ? '<a href="wiki.php?action=article&amp;id=218"'
+    $Str .= ($IsWarned && $UserInfo['Warned'] != NULL) ? '<a href="wiki.php?action=article&amp;id=218"'
           . '><img src="'.STATIC_SERVER.'common/symbols/warned.png" alt="Warned" title="Warned'
           . (G::$LoggedUser['ID'] === $UserID ? ' - Expires ' . date('Y-m-d H:i', strtotime($UserInfo['Warned'])) : '')
           . '" class="tooltip" /></a>' : '';

classes/zip.class.php

 //Handles timestamps
 function dostime($TimeStamp = 0) {
   if (!is_number($TimeStamp)) { // Assume that $TimeStamp is SQL timestamp
-    if ($TimeStamp == '0000-00-00 00:00:00') {
+    if ($TimeStamp == NULL) {
       return 'Never';
     }
     $TimeStamp = strtotime($TimeStamp);

gazelle.sql

   `AppID` int(10) NOT NULL,
   `Token` char(32) NOT NULL,
   `State` enum('0','1','2') NOT NULL DEFAULT '0',
-  `Time` datetime NOT NULL,
+  `Time` datetime,
   `Access` text,
   PRIMARY KEY (`UserID`,`AppID`),
   KEY `UserID` (`UserID`)
   `UserID` int(10) unsigned NOT NULL,
   `Title` varchar(255) NOT NULL,
   `Body` text,
-  `Time` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
+  `Time` datetime,
   `ThreadID` int(10) unsigned DEFAULT NULL,
   `Important` tinyint(4) NOT NULL DEFAULT '0',
   PRIMARY KEY (`ID`),
 CREATE TABLE `bookmarks_artists` (
   `UserID` int(10) NOT NULL,
   `ArtistID` int(10) NOT NULL,
-  `Time` datetime NOT NULL,
+  `Time` datetime,
   KEY `UserID` (`UserID`),
   KEY `ArtistID` (`ArtistID`)
 ) ENGINE=InnoDB CHARSET=utf8;
 CREATE TABLE `bookmarks_collages` (
   `UserID` int(10) NOT NULL,
   `CollageID` int(10) NOT NULL,
-  `Time` datetime NOT NULL,
+  `Time` datetime,
   KEY `UserID` (`UserID`),
   KEY `CollageID` (`CollageID`)
 ) ENGINE=InnoDB CHARSET=utf8;
 CREATE TABLE `bookmarks_requests` (
   `UserID` int(10) NOT NULL,
   `RequestID` int(10) NOT NULL,
-  `Time` datetime NOT NULL,
+  `Time` datetime,
   KEY `UserID` (`UserID`),
   KEY `RequestID` (`RequestID`)
 ) ENGINE=InnoDB CHARSET=utf8;
 CREATE TABLE `bookmarks_torrents` (
   `UserID` int(10) NOT NULL,
   `GroupID` int(10) NOT NULL,
-  `Time` datetime NOT NULL,
+  `Time` datetime,
   `Sort` int(11) NOT NULL DEFAULT '0',
   UNIQUE KEY `groups_users` (`GroupID`,`UserID`),
   KEY `UserID` (`UserID`),
 
 CREATE TABLE `changelog` (
   `ID` int(11) NOT NULL AUTO_INCREMENT,
-  `Time` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
+  `Time` datetime,
   `Message` text,
   `Author` varchar(30) NOT NULL,
   PRIMARY KEY (`ID`)
   `MaxGroupsPerUser` int(10) NOT NULL DEFAULT '0',
   `Featured` tinyint(4) NOT NULL DEFAULT '0',
   `Subscribers` int(10) DEFAULT '0',
-  `updated` datetime NOT NULL,
+  `updated` datetime,
   PRIMARY KEY (`ID`),
   UNIQUE KEY `Name` (`Name`),
   KEY `UserID` (`UserID`),
   `ArtistID` int(10) NOT NULL,
   `UserID` int(10) NOT NULL,
   `Sort` int(10) NOT NULL DEFAULT '0',
-  `AddedOn` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
+  `AddedOn` datetime,
   PRIMARY KEY (`CollageID`,`ArtistID`),
   KEY `UserID` (`UserID`),
   KEY `Sort` (`Sort`)
   `GroupID` int(10) NOT NULL,
   `UserID` int(10) NOT NULL,
   `Sort` int(10) NOT NULL DEFAULT '0',
-  `AddedOn` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
+  `AddedOn` datetime,
   PRIMARY KEY (`CollageID`,`GroupID`),
   KEY `UserID` (`UserID`),
   KEY `Sort` (`Sort`)
   `Page` enum('artist','collages','requests','torrents') NOT NULL,
   `PageID` int(10) NOT NULL,
   `AuthorID` int(10) NOT NULL,
-  `AddedTime` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
+  `AddedTime` datetime,
   `Body` mediumtext,
   `EditedUserID` int(10) DEFAULT NULL,
   `EditedTime` datetime DEFAULT NULL,
   `Name` varchar(255) NOT NULL,
   `Comment` varchar(255) NOT NULL,
   `UserID` int(10) NOT NULL,
-  `Time` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
+  `Time` datetime,
   `Sequence` mediumint(8) NOT NULL,
   PRIMARY KEY (`ID`),
   KEY `Time` (`Time`)
   `UserID` int(10) NOT NULL,
   `Amount` decimal(6,2) NOT NULL,
   `Email` varchar(255) NOT NULL,
-  `Time` datetime NOT NULL,
+  `Time` datetime,
   `Currency` varchar(5) NOT NULL DEFAULT 'USD',
   `Source` varchar(30) NOT NULL DEFAULT '',
   `Reason` mediumtext,
   `ID` int(10) NOT NULL AUTO_INCREMENT,
   `UserID` int(10) NOT NULL,
   `Email` varchar(255) NOT NULL,
-  `Time` datetime NOT NULL,
+  `Time` datetime,
   `Comment` text,
   PRIMARY KEY (`ID`)
 ) ENGINE=InnoDB CHARSET=utf8;
   `UserID` int(10) unsigned NOT NULL,
   `Email` varchar(255) NOT NULL,
   `Reason` text,
-  `Time` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
+  `Time` datetime,
   PRIMARY KEY (`UserID`,`Email`)
 ) ENGINE=InnoDB CHARSET=utf8;
 
   `GroupID` int(10) NOT NULL DEFAULT '0',
   `ThreadID` int(10) NOT NULL DEFAULT '0',
   `Title` varchar(35) NOT NULL DEFAULT '',
-  `Started` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
-  `Ended` datetime NOT NULL DEFAULT '0000-00-00 00:00:00'
+  `Started` datetime,
+  `Ended` datetime
 ) ENGINE=InnoDB CHARSET=utf8;
 
 CREATE TABLE `featured_merch` (
   `ProductID` int(10) NOT NULL DEFAULT '0',
   `Title` varchar(35) NOT NULL DEFAULT '',
   `Image` varchar(255) NOT NULL DEFAULT '',
-  `Started` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
-  `Ended` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
+  `Started` datetime,
+  `Ended` datetime,
   `ArtistID` int(10) unsigned DEFAULT '0'
 ) ENGINE=InnoDB CHARSET=utf8;
 
   `LastPostID` int(10) NOT NULL DEFAULT '0',
   `LastPostAuthorID` int(10) NOT NULL DEFAULT '0',
   `LastPostTopicID` int(10) NOT NULL DEFAULT '0',
-  `LastPostTime` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
+  `LastPostTime` datetime,
   `AutoLock` enum('0','1') DEFAULT '1',
   `AutoLockWeeks` int(3) unsigned NOT NULL DEFAULT '4',
   PRIMARY KEY (`ID`),
   `TopicID` int(10) unsigned NOT NULL,
   `Question` varchar(255) NOT NULL,
   `Answers` text,
-  `Featured` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
+  `Featured` datetime,
   `Closed` enum('0','1') NOT NULL DEFAULT '0',
   PRIMARY KEY (`TopicID`)
 ) ENGINE=InnoDB CHARSET=utf8;
   `ID` int(10) NOT NULL AUTO_INCREMENT,
   `TopicID` int(10) NOT NULL,
   `AuthorID` int(10) NOT NULL,
-  `AddedTime` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
+  `AddedTime` datetime,
   `Body` mediumtext,
   `EditedUserID` int(10) DEFAULT NULL,
   `EditedTime` datetime DEFAULT NULL,
   `ID` int(10) NOT NULL AUTO_INCREMENT,
   `TopicID` int(10) NOT NULL,
   `AuthorID` int(10) NOT NULL,
-  `AddedTime` datetime NOT NULL,
+  `AddedTime` datetime,
   `Body` mediumtext,
   PRIMARY KEY (`ID`),
   KEY `TopicID` (`TopicID`),
   `ForumID` int(3) NOT NULL,
   `NumPosts` int(10) NOT NULL DEFAULT '0',
   `LastPostID` int(10) NOT NULL,
-  `LastPostTime` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
+  `LastPostTime` datetime,
   `LastPostAuthorID` int(10) NOT NULL,
   `StickyPostID` int(10) NOT NULL DEFAULT '0',
   `Ranking` tinyint(2) DEFAULT '0',
-  `CreatedTime` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
+  `CreatedTime` datetime,
   PRIMARY KEY (`ID`),
   KEY `AuthorID` (`AuthorID`),
   KEY `ForumID` (`ForumID`),
   `TorrentID` int(10) NOT NULL,
   `UserID` int(10) NOT NULL DEFAULT '0',
   `Info` mediumtext,
-  `Time` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
+  `Time` datetime,
   `Hidden` tinyint(4) NOT NULL DEFAULT '0',
   PRIMARY KEY (`ID`),
   KEY `GroupID` (`GroupID`),
   `InviterID` int(10) NOT NULL DEFAULT '0',
   `InviteKey` char(32) NOT NULL,
   `Email` varchar(255) NOT NULL,
-  `Expires` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
+  `Expires` datetime,
   `Reason` varchar(255) NOT NULL DEFAULT '',
   PRIMARY KEY (`InviteKey`),
   KEY `Expires` (`Expires`),
 CREATE TABLE `log` (
   `ID` int(10) unsigned NOT NULL AUTO_INCREMENT,
   `Message` varchar(400) NOT NULL,
-  `Time` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
+  `Time` datetime,
   PRIMARY KEY (`ID`),
   KEY `Time` (`Time`)
 ) ENGINE=InnoDB CHARSET=utf8;
   `UserID` int(10) unsigned NOT NULL,
   `Title` varchar(255) NOT NULL,
   `Body` text,
-  `Time` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
+  `Time` datetime,
   PRIMARY KEY (`ID`),
   KEY `UserID` (`UserID`),
   KEY `Time` (`Time`)
 
 CREATE TABLE `ocelot_query_times` (
   `buffer` enum('users','torrents','snatches','peers') NOT NULL,
-  `starttime` datetime NOT NULL,
-  `ocelotinstance` datetime NOT NULL,
+  `starttime` datetime,
+  `ocelotinstance` datetime,
   `querylength` int(11) NOT NULL,
   `timespent` int(11) NOT NULL,
   UNIQUE KEY `starttime` (`starttime`)
   `ConvID` int(12) NOT NULL DEFAULT '0',
   `InInbox` enum('1','0') NOT NULL,
   `InSentbox` enum('1','0') NOT NULL,
-  `SentDate` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
-  `ReceivedDate` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
+  `SentDate` datetime,
+  `ReceivedDate` datetime,
   `UnRead` enum('1','0') NOT NULL DEFAULT '1',
   `Sticky` enum('1','0') NOT NULL DEFAULT '0',
   `ForwardedTo` int(12) NOT NULL DEFAULT '0',
 CREATE TABLE `pm_messages` (
   `ID` int(12) NOT NULL AUTO_INCREMENT,
   `ConvID` int(12) NOT NULL DEFAULT '0',
-  `SentDate` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
+  `SentDate` datetime,
   `SenderID` int(10) NOT NULL DEFAULT '0',
   `Body` text,
   PRIMARY KEY (`ID`),
   `Comment` text,
   `ResolverID` int(10) unsigned NOT NULL DEFAULT '0',
   `Status` enum('New','InProgress','Resolved') DEFAULT 'New',
-  `ResolvedTime` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
-  `ReportedTime` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
+  `ResolvedTime` datetime,
+  `ReportedTime` datetime,
   `Reason` text,
   `ClaimerID` int(10) unsigned NOT NULL DEFAULT '0',
   `Notes` text,
   `ID` int(10) NOT NULL AUTO_INCREMENT,
   `Type` tinyint(4) NOT NULL DEFAULT '0',
   `UserID` int(10) NOT NULL,
-  `Time` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
+  `Time` datetime,
   `Checked` tinyint(4) NOT NULL DEFAULT '0',
   `ResolverID` int(10) DEFAULT '0',
   `Email` varchar(255) NOT NULL DEFAULT '',
   `UserComment` text,
   `ResolverID` int(10) unsigned NOT NULL DEFAULT '0',
   `Status` enum('New','InProgress','Resolved') DEFAULT 'New',
-  `ReportedTime` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
-  `LastChangeTime` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
+  `ReportedTime` datetime,
+  `LastChangeTime` datetime,
   `ModComment` text,
   `Track` text,
   `Image` text,
 CREATE TABLE `requests` (
   `ID` int(10) unsigned NOT NULL AUTO_INCREMENT,
   `UserID` int(10) unsigned NOT NULL DEFAULT '0',
-  `TimeAdded` datetime NOT NULL,
+  `TimeAdded` datetime,
   `LastVote` datetime DEFAULT NULL,
   `CategoryID` int(3) NOT NULL,
   `Title` varchar(255) DEFAULT NULL,
   `DLsiteID` varchar(50) DEFAULT NULL,
   `FillerID` int(10) unsigned NOT NULL DEFAULT '0',
   `TorrentID` int(10) unsigned NOT NULL DEFAULT '0',
-  `TimeFilled` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
+  `TimeFilled` datetime,
   `Visible` binary(1) NOT NULL DEFAULT '1',
   `GroupID` int(10) DEFAULT NULL,
   PRIMARY KEY (`ID`),
 
 CREATE TABLE `shop_freeleeches` (
   `TorrentID` int(10) NOT NULL,
-  `ExpiryTime` datetime NOT NULL,
+  `ExpiryTime` datetime,
   PRIMARY KEY (`TorrentID`),
   KEY `ExpiryTime` (`ExpiryTime`)
 ) ENGINE=InnoDB CHARSET=utf8;
   `QuestionID` int(10) NOT NULL,
   `UserID` int(10) NOT NULL,
   `Answer` mediumtext,
-  `Date` datetime NOT NULL,
+  `Date` datetime,
   PRIMARY KEY (`QuestionID`,`UserID`),
   KEY `UserID` (`UserID`)
 ) ENGINE=InnoDB CHARSET=utf8;
   `UserID` int(10) unsigned NOT NULL,
   `Title` varchar(255) NOT NULL,
   `Body` text,
-  `Time` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
+  `Time` datetime,
   PRIMARY KEY (`ID`),
   KEY `UserID` (`UserID`),
   KEY `Time` (`Time`)
 
 CREATE TABLE `staff_blog_visits` (
   `UserID` int(10) unsigned NOT NULL,
-  `Time` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
+  `Time` datetime,
   UNIQUE KEY `UserID` (`UserID`),
   CONSTRAINT `staff_blog_visits_ibfk_1` FOREIGN KEY (`UserID`) REFERENCES `users_main` (`ID`) ON DELETE CASCADE
 ) ENGINE=InnoDB CHARSET=utf8;
 
 CREATE TABLE `top10_history` (
   `ID` int(10) NOT NULL AUTO_INCREMENT,
-  `Date` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
+  `Date` datetime,
   `Type` enum('Daily','Weekly') DEFAULT NULL,
   PRIMARY KEY (`ID`)
 ) ENGINE=InnoDB CHARSET=utf8;
   `Size` bigint(12) NOT NULL,
   `Leechers` int(6) NOT NULL DEFAULT '0',
   `Seeders` int(6) NOT NULL DEFAULT '0',
-  `last_action` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
+  `last_action` datetime,
   `FreeTorrent` enum('0','1','2') NOT NULL DEFAULT '0',
   `FreeLeechType` enum('0','1','2','3','4') NOT NULL DEFAULT '0',
-  `Time` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
+  `Time` datetime,
   `Description` text,
   `MediaInfo` text,
   `Snatched` int(10) unsigned NOT NULL DEFAULT '0',
   `balance` bigint(20) NOT NULL DEFAULT '0',
-  `LastReseedRequest` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
+  `LastReseedRequest` datetime,
   `Subber` varchar(300) NOT NULL DEFAULT '',
   `Archive` varchar(3) NOT NULL DEFAULT '',
   PRIMARY KEY (`ID`),
 CREATE TABLE `torrents_bad_files` (
   `TorrentID` int(11) NOT NULL DEFAULT '0',
   `UserID` int(11) NOT NULL DEFAULT '0',
-  `TimeAdded` datetime NOT NULL DEFAULT '0000-00-00 00:00:00'
+  `TimeAdded` datetime
 ) ENGINE=InnoDB CHARSET=utf8;
 
 CREATE TABLE `torrents_bad_folders` (
   `TorrentID` int(11) NOT NULL,
   `UserID` int(11) NOT NULL,
-  `TimeAdded` datetime NOT NULL,
+  `TimeAdded` datetime,
   PRIMARY KEY (`TorrentID`)
 ) ENGINE=InnoDB CHARSET=utf8;
 
 CREATE TABLE `torrents_bad_tags` (
   `TorrentID` int(10) NOT NULL DEFAULT '0',
   `UserID` int(10) NOT NULL DEFAULT '0',
-  `TimeAdded` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
+  `TimeAdded` datetime,
   KEY `TimeAdded` (`TimeAdded`)
 ) ENGINE=InnoDB CHARSET=utf8;
 
   `CatalogueNumber` varchar(80) NOT NULL DEFAULT '',
   `Pages` smallint(5) unsigned DEFAULT NULL,
   `TagList` varchar(500) NOT NULL,
-  `Time` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
+  `Time` datetime,
   `RevisionID` int(12) DEFAULT NULL,
   `WikiBody` text,
   `WikiImage` varchar(255) NOT NULL,
 CREATE TABLE `torrents_recommended` (
   `GroupID` int(10) NOT NULL,
   `UserID` int(10) NOT NULL,
-  `Time` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
+  `Time` datetime,
   PRIMARY KEY (`GroupID`),
   KEY `Time` (`Time`)
 ) ENGINE=InnoDB CHARSET=utf8;
   `ID` int(10) NOT NULL AUTO_INCREMENT,
   `GroupID` int(10) NOT NULL,
   `UserID` int(10) NOT NULL,
-  `Time` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
+  `Time` datetime,
   `Image` varchar(255) NOT NULL,
   PRIMARY KEY (`ID`,`GroupID`,`Image`)
 ) ENGINE=InnoDB CHARSET=utf8;
   `ID` int(10) NOT NULL AUTO_INCREMENT,
   `Question` mediumtext,
   `UserID` int(10) NOT NULL,
-  `Date` datetime NOT NULL,
+  `Date` datetime,
   PRIMARY KEY (`ID`),
   KEY `Date` (`Date`)
 ) ENGINE=InnoDB CHARSET=utf8;
 CREATE TABLE `users_downloads` (
   `UserID` int(10) NOT NULL,
   `TorrentID` int(1) NOT NULL,
-  `Time` datetime NOT NULL,
+  `Time` datetime,
   PRIMARY KEY (`UserID`,`TorrentID`,`Time`),
   KEY `TorrentID` (`TorrentID`),
   KEY `UserID` (`UserID`)
   `Email` varchar(255) NOT NULL,
   `IP` varchar(255) NOT NULL DEFAULT 'mIbUEUEmV93bF6C5i6cITAlcw3H7TKcaPzZZIMIZQNQ=',
   `UserAgent` text,
-  `Timestamp` datetime NOT NULL,
+  `Timestamp` datetime,
   `HandledTimestamp` datetime DEFAULT NULL,
   `Token` char(32) DEFAULT NULL,
   `CheckedBy` int(10) unsigned DEFAULT NULL,
 CREATE TABLE `users_freeleeches` (
   `UserID` int(10) NOT NULL,
   `TorrentID` int(10) NOT NULL,
-  `Time` datetime NOT NULL,
+  `Time` datetime,
   `Expired` tinyint(1) NOT NULL DEFAULT '0',
   `Downloaded` bigint(20) NOT NULL DEFAULT '0',
   `Uses` int(10) NOT NULL DEFAULT '1',
 CREATE TABLE `users_history_ips` (
   `UserID` int(10) NOT NULL,
   `IP` varchar(90) NOT NULL DEFAULT '0.0.0.0',
-  `StartTime` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
+  `StartTime` datetime,
   `EndTime` datetime DEFAULT NULL,
   PRIMARY KEY (`UserID`,`IP`,`StartTime`),
   KEY `UserID` (`UserID`),
   `StyleID` int(10) unsigned NOT NULL,
   `StyleURL` varchar(255) DEFAULT NULL,
   `Info` text,
-  `Avatar` varchar(255) NOT NULL,
+  `Avatar` varchar(255),
   `AdminComment` text,
   `SiteOptions` text,
   `ViewAvatars` enum('0','1') NOT NULL DEFAULT '1',
   `Donor` enum('0','1') NOT NULL DEFAULT '0',
   `Artist` enum('0','1') NOT NULL DEFAULT '0',
   `DownloadAlt` enum('0','1') NOT NULL DEFAULT '0',
-  `Warned` datetime NOT NULL,
-  `SupportFor` varchar(255) NOT NULL,
+  `Warned` datetime,
+  `SupportFor` varchar(255),
   `TorrentGrouping` enum('0','1','2') NOT NULL COMMENT '0=Open,1=Closed,2=Off',
   `ShowTags` enum('0','1') NOT NULL DEFAULT '1',
   `NotifyOnQuote` enum('0','1','2') NOT NULL DEFAULT '0',
-  `AuthKey` varchar(32) NOT NULL,
-  `ResetKey` varchar(32) NOT NULL,
-  `ResetExpires` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
-  `JoinDate` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
+  `AuthKey` varchar(32) NOT NULL DEFAULT '',
+  `ResetKey` varchar(32) NOT NULL DEFAULT '',
+  `ResetExpires` datetime,
+  `JoinDate` datetime,
   `Inviter` int(10) DEFAULT NULL,
   `BitcoinAddress` varchar(34) DEFAULT NULL,
   `WarnedTimes` int(2) NOT NULL DEFAULT '0',
   `DisablePoints` enum('0','1') NOT NULL DEFAULT '0',
   `DisablePromotion` enum('0','1') NOT NULL DEFAULT '0',
   `DisableRequests` enum('0','1') NOT NULL DEFAULT '0',
-  `RatioWatchEnds` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
+  `RatioWatchEnds` datetime,
   `RatioWatchDownload` bigint(20) unsigned NOT NULL DEFAULT '0',
   `RatioWatchTimes` tinyint(1) unsigned NOT NULL DEFAULT '0',
-  `BanDate` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
+  `BanDate` datetime,
   `BanReason` enum('0','1','2','3','4') NOT NULL DEFAULT '0',
   `CatchupTime` datetime DEFAULT NULL,
   `LastReadNews` int(10) NOT NULL DEFAULT '0',
   `PermittedForums` varchar(150) NOT NULL DEFAULT '',
   `UnseededAlerts` enum('0','1') NOT NULL DEFAULT '0',
   `LastReadBlog` int(10) NOT NULL DEFAULT '0',
-  `InfoTitle` varchar(255) NOT NULL,
+  `InfoTitle` varchar(255) NOT NULL DEFAULT '',
   UNIQUE KEY `UserID` (`UserID`),
   KEY `SupportFor` (`SupportFor`),
   KEY `DisableInvites` (`DisableInvites`),
   `Email` varchar(255) NOT NULL,
   `PassHash` varchar(60) NOT NULL,
   `IRCKey` char(32) DEFAULT NULL,
-  `LastLogin` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
-  `LastAccess` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
+  `LastLogin` datetime,
+  `LastAccess` datetime,
   `IP` varchar(90) NOT NULL DEFAULT '0.0.0.0',
   `Class` tinyint(2) NOT NULL DEFAULT '5',
   `Uploaded` bigint(20) unsigned NOT NULL DEFAULT '0',
   `PageID` int(10) NOT NULL,
   `PostID` int(10) NOT NULL,
   `UnRead` tinyint(1) NOT NULL DEFAULT '1',
-  `Date` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
+  `Date` datetime,
   PRIMARY KEY (`UserID`,`Page`,`PostID`)
 ) ENGINE=InnoDB CHARSET=utf8;
 
   `Browser` varchar(40) DEFAULT NULL,
   `OperatingSystem` varchar(13) DEFAULT NULL,
   `IP` varchar(90) NOT NULL,
-  `LastUpdate` datetime NOT NULL,
+  `LastUpdate` datetime,
   `Active` tinyint(4) NOT NULL DEFAULT '1',
   `FullUA` text,
   PRIMARY KEY (`UserID`,`SessionID`),
   `Body` text,
   `UserID` int(10) NOT NULL DEFAULT '0',
   `Summary` varchar(100) DEFAULT NULL,
-  `Time` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
+  `Time` datetime,
   `Image` varchar(255) DEFAULT NULL,
   PRIMARY KEY (`RevisionID`),
   KEY `PageID` (`PageID`),
   `Body` text,
   `UserID` int(10) NOT NULL DEFAULT '0',
   `Summary` varchar(100) DEFAULT NULL,
-  `Time` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
+  `Time` datetime,
   `Image` varchar(255) DEFAULT NULL,
   PRIMARY KEY (`RevisionID`),
   KEY `PageID` (`PageID`),
 
 INSERT INTO wiki_revisions (ID, Revision, Title, Body, Date, Author) VALUES (1, 1, 'Wiki', 'Welcome to your new wiki! Hope this works.', NOW(), 1);
 
-INSERT INTO forums (ID, CategoryID, Sort, Name, Description, MinClassRead, MinClassWrite, MinClassCreate, NumTopics, NumPosts, LastPostID, LastPostAuthorID, LastPostTopicID, LastPostTime) VALUES (1, 1, 20, 'Your Site', 'Totally rad forum', 100, 100, 100, 0, 0, 0, 0, 0, '0000-00-00 00:00:00'), (2, 5, 30, 'Chat', 'Expect this to fill up with spam', 100, 100, 100, 0, 0, 0, 0, 0, '0000-00-00 00:00:00'), (3, 10, 40, 'Help!', 'I fell down and I cant get up', 100, 100, 100, 0, 0, 0, 0, 0, '0000-00-00 00:00:00'), (4, 20, 100, 'Trash', 'Every thread ends up here eventually', 100, 500, 500, 0, 0, 0, 0, 0, '0000-00-00 00:00:00');
+INSERT INTO forums (ID, CategoryID, Sort, Name, Description, MinClassRead, MinClassWrite, MinClassCreate, NumTopics, NumPosts, LastPostID, LastPostAuthorID, LastPostTopicID, LastPostTime) VALUES (1, 1, 20, 'Your Site', 'Totally rad forum', 100, 100, 100, 0, 0, 0, 0, 0, NULL), (2, 5, 30, 'Chat', 'Expect this to fill up with spam', 100, 100, 100, 0, 0, 0, 0, 0, NULL), (3, 10, 40, 'Help!', 'I fell down and I cant get up', 100, 100, 100, 0, 0, 0, 0, 0, NULL), (4, 20, 100, 'Trash', 'Every thread ends up here eventually', 100, 500, 500, 0, 0, 0, 0, 0, NULL);
 
 INSERT INTO tags (ID, Name, TagType, Uses, UserID) VALUES (1, 'foo', 'genre', 0, 1),(2, 'bar', 'genre', 0, 1),(3, 'baz', 'genre', 0, 1);
 

sections/ajax/forum/forum.php

     $UserInfo = Users::user_info($LastAuthorID);
     $LastAuthorName = $UserInfo['Username'];
     // Bug fix for no last time available
-    if ($LastTime == '0000-00-00 00:00:00') {
+    if ($LastTime == NULL) {
       $LastTime = '';
     }
 

sections/ajax/forum/thread.php

       'paranoia' => $Paranoia,
       'artist' => $Artist === '1',
       'donor' => $Donor === '1',
-      'warned' => $Warned !== '0000-00-00 00:00:00',
+      'warned' => $Warned !== NULL,
       'avatar' => $Avatar,
       'enabled' => $Enabled === '2' ? false : true,
       'userTitle' => $UserTitle

sections/ajax/request.php

     'authorId'        => (int)$AuthorID,
     'name'            => $Username,
     'donor'           => ($Donor == 1),
-    'warned'          => ($Warned != '0000-00-00 00:00:00'),
+    'warned'          => ($Warned != NULL),
     'enabled'         => ($Enabled == 2 ? false : true),
     'class'           => Users::make_class_string($PermissionID),
     'addedTime'       => $AddedTime,

sections/ajax/tcomments.php

       'authorName' => $Username,
       'artist' => $Artist == 1,
       'donor' => $Donor == 1,
-      'warned' => ($Warned != '0000-00-00 00:00:00'),
+      'warned' => ($Warned != NULL),
       'avatar' => $Avatar,
       'enabled' => ($Enabled == 2 ? false : true),
       'userTitle' => $UserTitle

sections/ajax/user.php

 }
 
 //Bugfix for no access time available
-if ($LastAccess == '0000-00-00 00:00:00') {
+if ($LastAccess == NULL) {
   $LastAccess = '';
 }
 
     'paranoia'      => (int)$ParanoiaLevel,
     'paranoiaText'  => $ParanoiaLevelText,
     'donor'         => ($Donor == 1),
-    'warned'        => ($Warned != '0000-00-00 00:00:00'),
+    'warned'        => ($Warned != NULL),
     'enabled'       => ($Enabled == '1' || $Enabled == '0' || !$Enabled),
     'passkey'       => $torrent_pass
   ),

sections/ajax/usersearch.php

     'userId' => (int)$UserID,
     'username' => $Username,
     'donor' => $Donor == 1,
-    'warned' => ($Warned != '0000-00-00 00:00:00'),
+    'warned' => ($Warned != NULL),
     'enabled' => ($Enabled == 2 ? false : true),
     'class' => Users::make_class_string($PermissionID),
     'avatar' => $Avatar

sections/forums/poll_mod.php

 }
 
 if (isset($_POST['feature'])) {
-  if (!$Featured || $Featured == '0000-00-00 00:00:00') {
+  if (!$Featured || $Featured == NULL) {
     $Featured = sqltime();
     $Cache->cache_value('polls_featured',$TopicID,0);
     $DB->query('

sections/forums/take_new_thread.php

       (TopicID, Question, Answers)
     VALUES
       ('$TopicID', '".db_string($Question)."', '".db_string(serialize($Answers))."')");
-  $Cache->cache_value("polls_$TopicID", array($Question, $Answers, $Votes, '0000-00-00 00:00:00', '0'), 0);
+  $Cache->cache_value("polls_$TopicID", array($Question, $Answers, $Votes, NULL, '0'), 0);
 
   if ($ForumID == STAFF_FORUM) {
     send_irc('PRIVMSG '.ADMIN_CHAN.' :!mod Poll created by '.$LoggedUser['Username'].": \"$Question\" ".site_url()."forums.php?action=viewthread&threadid=$TopicID");
   'AddedTime' => sqltime(),
   'Body' => $Body,
   'EditedUserID' => 0,
-  'EditedTime' => '0000-00-00 00:00:00'
+  'EditedTime' => NULL
   );
 $Cache->insert('', $Post);
 $Cache->commit_transaction(0);

sections/forums/take_reply.php

     'AddedTime'=>$SQLTime,
     'Body'=>$Body,
     'EditedUserID'=>0,
-    'EditedTime'=>'0000-00-00 00:00:00',
+    'EditedTime'=>NULL,
     'Username'=>$LoggedUser['Username'] //TODO: Remove, it's never used?
     ));
   $Cache->commit_transaction(0);

sections/forums/thread.php

 
 ?>
   <div class="box thin clear">
-    <div class="head colhead_dark"><strong>Poll<? if ($Closed) { echo ' [Closed]'; } ?><? if ($Featured && $Featured !== '0000-00-00 00:00:00') { echo ' [Featured]'; } ?></strong> <a href="#" onclick="$('#threadpoll').gtoggle(); log_hit(); return false;" class="brackets">View</a></div>
+    <div class="head colhead_dark"><strong>Poll<? if ($Closed) { echo ' [Closed]'; } ?><? if ($Featured && $Featured !== NULL) { echo ' [Featured]'; } ?></strong> <a href="#" onclick="$('#threadpoll').gtoggle(); log_hit(); return false;" class="brackets">View</a></div>
     <div class="pad<? if (/*$LastRead !== null || */$ThreadInfo['IsLocked']) { echo ' hidden'; } ?>" id="threadpoll">
       <p><strong><?=display_str($Question)?></strong></p>
 <?  if ($UserResponse !== null || $Closed || $ThreadInfo['IsLocked'] || !Forums::check_forumperm($ForumID)) { ?>
       </div>
 <?  }
   if (check_perms('forums_polls_moderate') && !$RevealVoters) {
-    if (!$Featured || $Featured == '0000-00-00 00:00:00') {
+    if (!$Featured || $Featured == NULL) {
 ?>
       <form class="manage_form" name="poll" action="forums.php" method="post">
         <input type="hidden" name="action" value="poll_mod" />

sections/index/private.php

   $Cache->cache_value('news_latest_title', $News[0][1], 0);
 }
 
-if ($LoggedUser['LastReadNews'] != $News[0][0]) {
+if ($LoggedUser['LastReadNews'] != $News[0][0] && count($News[0][0]) > 0) {
   $Cache->begin_transaction("user_info_heavy_$UserID");
   $Cache->update_row(false, array('LastReadNews' => $News[0][0]));
   $Cache->commit_transaction(0);
   list($RequestCount, $FilledCount) = $RequestStats;
 }
 
+// do not divide by zero
+if ($RequestCount > 0) {
+  $RequestsFilledPercent = $FilledCount / $RequestCount * 100;
+} else {
+  $RequestsFilledPercent = 0;
+}
+
 ?>
-        <li>Requests: <?=number_format($RequestCount)?> (<?=number_format($FilledCount / $RequestCount * 100, 2)?>% filled)</li>
+        <li>Requests: <?=number_format($RequestCount)?> (<?=number_format($RequestsFilledPercent, 2)?>% filled)</li>
 <?
 
 if ($SnatchStats = $Cache->get_value('stats_snatches')) {

sections/login/index.php

               m.PassHash = '".db_string(Users::make_sec_hash($_REQUEST['password']))."',
               i.ResetKey = '',
               m.LastLogin = NOW(),
-              i.ResetExpires = '0000-00-00 00:00:00'
+              i.ResetExpires = NULL
             WHERE m.ID = '$UserID'
               AND i.UserID = m.ID");
           $DB->query("
         $DB->query("
           UPDATE users_info
           SET ResetKey = '',
-            ResetExpires = '0000-00-00 00:00:00'
+            ResetExpires = NULL
           WHERE UserID = '$UserID'");
         $_SESSION['reseterr'] = 'The link you were given has expired.'; // Error message to display on form
       }

sections/register/index.php

         INSERT INTO users_history_emails
           (UserID, Email, Time, IP)
         VALUES
-          ('$UserID', '".DBCrypt::encrypt($_REQUEST['email'])."', '0000-00-00 00:00:00', '".DBCrypt::encrypt($_SERVER['REMOTE_ADDR'])."')");
+          ('$UserID', '".DBCrypt::encrypt($_REQUEST['email'])."', NULL, '".DBCrypt::encrypt($_SERVER['REMOTE_ADDR'])."')");
 
       if ($_REQUEST['email'] != $InviteEmail) {
         $DB->query("
 
       // Manage invite trees, delete invite
 
-      if ($InviterID !== null) {
+      if ($InviterID !== null && $InviterID !== 0) {
         $DB->query("
           SELECT TreePosition, TreeID, TreeLevel
           FROM invite_tree

sections/requests/take_unfill.php

   UPDATE requests
   SET TorrentID = 0,
     FillerID = 0,
-    TimeFilled = '0000-00-00 00:00:00',
+    TimeFilled = NULL,
     Visible = 1
   WHERE ID = $RequestID");
 

sections/schedule/daily/disable_inactive_users.php

     WHERE um.PermissionID IN ('".USER."', '".MEMBER  ."')
       AND um.LastAccess < '".time_minus(3600 * 24 * 110, true)."'
       AND um.LastAccess > '".time_minus(3600 * 24 * 111, true)."'
-      AND um.LastAccess != '0000-00-00 00:00:00'
+      AND um.LastAccess != NULL
       AND ui.Donor = '0'
       AND um.Enabled != '2'
       AND ul.UserID IS NULL
       LEFT JOIN users_levels AS ul ON ul.UserID = um.ID AND ul.PermissionID = '".CELEB."'
     WHERE um.PermissionID IN ('".USER."', '".MEMBER  ."')
       AND um.LastAccess < '".time_minus(3600 * 24 * 30 * 4)."'
-      AND um.LastAccess != '0000-00-00 00:00:00'
+      AND um.LastAccess != NULL
       AND ui.Donor = '0'
       AND um.Enabled != '2'
       AND ul.UserID IS NULL

sections/schedule/daily/disable_unconfirmed_users.php

   SELECT UserID
   FROM users_info AS ui
     JOIN users_main AS um ON um.ID = ui.UserID
-  WHERE um.LastAccess = '0000-00-00 00:00:00'
+  WHERE um.LastAccess = NULL
     AND ui.JoinDate < '".time_minus(60 * 60 * 24 * 7)."'
     AND um.Enabled != '2'");
 $UserIDs = $DB->collect('UserID');
     ui.BanDate = '$sqltime',
     ui.BanReason = '3',
     ui.AdminComment = CONCAT('$sqltime - Disabled for inactivity (never logged in)\n\n', ui.AdminComment)
-  WHERE um.LastAccess = '0000-00-00 00:00:00'
+  WHERE um.LastAccess = NULL
     AND ui.JoinDate < '".time_minus(60 * 60 * 24 * 7)."'
     AND um.Enabled != '2'");
 $Cache->decrement('stats_user_count', $DB->affected_rows());

sections/schedule/daily/ratio_watch.php

     FROM users_info AS i
       JOIN users_main AS m ON m.ID = i.UserID
     WHERE m.Uploaded/m.Downloaded >= m.RequiredRatio
-      AND i.RatioWatchEnds != '0000-00-00 00:00:00'
+      AND i.RatioWatchEnds != NULL
       AND m.can_leech = '0'
       AND m.Enabled = '1'");
 $OffRatioWatch = $DB->collect('ID');
   $DB->query("
     UPDATE users_info AS ui
       JOIN users_main AS um ON um.ID = ui.UserID
-    SET ui.RatioWatchEnds = '0000-00-00 00:00:00',
+    SET ui.RatioWatchEnds = NULL,
       ui.RatioWatchDownload = '0',
       um.can_leech = '1',
       ui.AdminComment = CONCAT('$sqltime - Leeching re-enabled by adequate ratio.\n\n', ui.AdminComment)
 
 foreach ($OffRatioWatch as $UserID) {
   $Cache->begin_transaction("user_info_heavy_$UserID");
-  $Cache->update_row(false, array('RatioWatchEnds' => '0000-00-00 00:00:00', 'RatioWatchDownload' => '0', 'CanLeech' => 1));
+  $Cache->update_row(false, array('RatioWatchEnds' => NULL, 'RatioWatchDownload' => '0', 'CanLeech' => 1));
   $Cache->commit_transaction(0);
   Misc::send_pm($UserID, 0, 'You have been taken off Ratio Watch', "Congratulations! Feel free to begin downloading again.\n To ensure that you do not get put on ratio watch again, please read the rules located [url=".site_url()."rules.php?p=ratio]here[/url].\n");
   echo "Ratio watch off: $UserID\n";
       FROM users_info AS i
         JOIN users_main AS m ON m.ID = i.UserID
       WHERE m.Uploaded / m.Downloaded >= m.RequiredRatio
-        AND i.RatioWatchEnds != '0000-00-00 00:00:00'
+        AND i.RatioWatchEnds != NULL
         AND m.Enabled = '1'");
 $OffRatioWatch = $DB->collect('ID');
 if (count($OffRatioWatch) > 0) {
   $DB->query("
     UPDATE users_info AS ui
       JOIN users_main AS um ON um.ID = ui.UserID
-    SET ui.RatioWatchEnds = '0000-00-00 00:00:00',
+    SET ui.RatioWatchEnds = NULL,
       ui.RatioWatchDownload = '0',
       um.can_leech = '1'
     WHERE ui.UserID IN(".implode(',', $OffRatioWatch).')');
 
 foreach ($OffRatioWatch as $UserID) {
   $Cache->begin_transaction("user_info_heavy_$UserID");
-  $Cache->update_row(false, array('RatioWatchEnds' => '0000-00-00 00:00:00', 'RatioWatchDownload' => '0', 'CanLeech' => 1));
+  $Cache->update_row(false, array('RatioWatchEnds' => NULL, 'RatioWatchDownload' => '0', 'CanLeech' => 1));
   $Cache->commit_transaction(0);
   Misc::send_pm($UserID, 0, "You have been taken off Ratio Watch", "Congratulations! Feel free to begin downloading again.\n To ensure that you do not get put on ratio watch again, please read the rules located [url=".site_url()."rules.php?p=ratio]here[/url].\n");
   echo "Ratio watch off: $UserID\n";
   FROM users_info AS i
     JOIN users_main AS m ON m.ID = i.UserID
   WHERE m.Uploaded / m.Downloaded < m.RequiredRatio
-    AND i.RatioWatchEnds = '0000-00-00 00:00:00'
+    AND i.RatioWatchEnds = NULL
     AND m.Enabled = '1'
     AND m.can_leech = '1'");
 $OnRatioWatch = $DB->collect('ID');
     SELECT ID, torrent_pass
     FROM users_info AS i
       JOIN users_main AS m ON m.ID = i.UserID
-    WHERE i.RatioWatchEnds != '0000-00-00 00:00:00'
+    WHERE i.RatioWatchEnds != NULL
       AND i.RatioWatchEnds < '$sqltime'
       AND m.Enabled = '1'
       AND m.can_leech != '0'");

sections/schedule/hourly/class_promotion.php

       FROM users_main
         JOIN users_info ON users_main.ID = users_info.UserID
       WHERE PermissionID = ".$L['From']."
-        AND Warned = '0000-00-00 00:00:00'
+        AND Warned = NULL
         AND Uploaded >= '$L[MinUpload]'
         AND (Uploaded / Downloaded >= '$L[MinRatio]' OR (Uploaded / Downloaded IS NULL))
         AND JoinDate < '$L[MaxTime]'

sections/schedule/hourly/disable_leech.php

   SELECT ID, torrent_pass
   FROM users_info AS i
     JOIN users_main AS m ON m.ID = i.UserID
-  WHERE i.RatioWatchEnds != '0000-00-00 00:00:00'
+  WHERE i.RatioWatchEnds != NULL
     AND i.RatioWatchDownload + 10 * 1024 * 1024 * 1024 < m.Downloaded
     AND m.Enabled = '1'
     AND m.can_leech = '1'");

sections/schedule/hourly/expire_warnings.php

   WHERE Warned < '$sqltime'");
 while (list($UserID) = $DB->next_record()) {
   $Cache->begin_transaction("user_info_$UserID");
-  $Cache->update_row(false, array('Warned' => '0000-00-00 00:00:00'));
+  $Cache->update_row(false, array('Warned' => NULL));
   $Cache->commit_transaction(2592000);
 }
 
 $DB->query("
   UPDATE users_info
-  SET Warned = '0000-00-00 00:00:00'
+  SET Warned = NULL
   WHERE Warned < '$sqltime'");
 ?>

sections/schedule/hourly/hide_old_requests.php

   UPDATE requests
   SET Visible = 0
   WHERE TimeFilled < (NOW() - INTERVAL 7 DAY)
-    AND TimeFilled != '0000-00-00 00:00:00'");
+    AND TimeFilled != NULL");
 ?>

sections/store/promotion.php

 
     }
 
-    if ($Warned != "0000-00-00 00:00:00") {
+    if ($Warned != NULL) {
       $Err[] = "You cannot be promoted while warned";
     }
 

sections/tools/data/upscale_pool.php

     m.RequiredRatio
   FROM users_main AS m
     LEFT JOIN users_info AS i ON i.UserID = m.ID
-  WHERE i.RatioWatchEnds != '0000-00-00 00:00:00'
+  WHERE i.RatioWatchEnds != NULL
     AND m.Enabled = '1'
   ORDER BY i.RatioWatchEnds ASC
   LIMIT $Limit");
 $DB->query("
   SELECT COUNT(UserID)
   FROM users_info
-  WHERE BanDate != '0000-00-00 00:00:00'
+  WHERE BanDate != NULL
     AND BanReason = '2'");
 list($TotalDisabled) = $DB->next_record();
 $DB->set_query_id($RS);

sections/tools/data/user_flow.php

           DATE_FORMAT(JoinDate, '%Y-%m-%d') AS Date,
           COUNT(UserID) AS Flow
         FROM users_info
-        WHERE JoinDate != '0000-00-00 00:00:00'
+        WHERE JoinDate != NULL
         GROUP BY Date
       ) AS j
       LEFT JOIN (
           DATE_FORMAT(BanDate, '%Y-%m-%d') AS Date,
           COUNT(UserID) AS Flow
         FROM users_info
-        WHERE BanDate != '0000-00-00 00:00:00'
+        WHERE BanDate != NULL
           AND BanReason = '1'
         GROUP BY Date
       ) AS m ON j.Date = m.Date
           DATE_FORMAT(BanDate, '%Y-%m-%d') AS Date,
           COUNT(UserID) AS Flow
         FROM users_info
-        WHERE BanDate != '0000-00-00 00:00:00'
+        WHERE BanDate != NULL
           AND BanReason = '2'
         GROUP BY Date
       ) AS r ON j.Date = r.Date
           DATE_FORMAT(BanDate, '%Y-%m-%d') AS Date,
           COUNT(UserID) AS Flow
         FROM users_info
-        WHERE BanDate != '0000-00-00 00:00:00'
+        WHERE BanDate != NULL
           AND BanReason = '3'
         GROUP BY Date
       ) AS i ON j.Date = i.Date

sections/torrents/details.php

             <blockquote>
               Uploaded by <?=Users::format_username($UserID, false, false, false)?> <?=time_diff($TorrentTime);?>
 <?  if ($Seeders == 0) {
-    if ($LastActive != '0000-00-00 00:00:00' && time() - strtotime($LastActive) >= 1209600) { ?>
+    if ($LastActive != NULL && time() - strtotime($LastActive) >= 1209600) { ?>
             <br /><strong>Last active: <?=time_diff($LastActive); ?></strong>
 <?    } else { ?>
             <br />Last active: <?=time_diff($LastActive); ?>
 <?    }
   }
 
-  if (($Seeders == 0 && $LastActive != '0000-00-00 00:00:00' && time() - strtotime($LastActive) >= 345678 && time() - strtotime($LastReseedRequest) >= 864000) || check_perms('users_mod')) { ?>
+  if (($Seeders == 0 && $LastActive != NULL && time() - strtotime($LastActive) >= 345678 && time() - strtotime($LastReseedRequest) >= 864000) || check_perms('users_mod')) { ?>
             <br /><a href="torrents.php?action=reseed&amp;torrentid=<?=$TorrentID?>&amp;groupid=<?=$GroupID?>" class="brackets">Request re-seed</a>
 <?  }
 

sections/torrents/functions.php

       SELECT ID
       FROM requests
       WHERE GroupID = $GroupID
-        AND TimeFilled = '0000-00-00 00:00:00'");
+        AND TimeFilled = NULL");
     $Requests = $DB->collect('ID');
     $Cache->cache_value("requests_group_$GroupID", $Requests, 0);
   }
             <blockquote>
               Uploaded by <?=(Users::format_username($UserID, false, false, false))?> <?=time_diff($TorrentTime);?>
 <?  if ($Seeders == 0) {
-    if ($LastActive != '0000-00-00 00:00:00' && time() - strtotime($LastActive) >= 1209600) { ?>
+    if ($LastActive != NULL && time() - strtotime($LastActive) >= 1209600) { ?>
                 <br /><strong>Last active: <?=time_diff($LastActive);?></strong>
 <?    } else { ?>
                 <br />Last active: <?=time_diff($LastActive);?>
 <?    }
-    if ($LastActive != '0000-00-00 00:00:00' && time() - strtotime($LastActive) >= 345678 && time() - strtotime($LastReseedRequest) >= 864000) { ?>
+    if ($LastActive != NULL && time() - strtotime($LastActive) >= 345678 && time() - strtotime($LastReseedRequest) >= 864000) { ?>
                 <br /><a href="torrents.php?action=reseed&amp;torrentid=<?=($TorrentID)?>&amp;groupid=<?=($GroupID)?>" class="brackets">Request re-seed</a>
 <?    }
   } ?>

sections/torrents/reseed.php

   if (time() - strtotime($LastReseedRequest) < 864000) {
     error('There was already a re-seed request for this torrent within the past 10 days.');
   }
-  if ($LastActive == '0000-00-00 00:00:00' || time() - strtotime($LastActive) < 345678) {
+  if ($LastActive == NULL || time() - strtotime($LastActive) < 345678) {
     error(403);
   }
 }

sections/user/advancedsearch.php

     }
 
     if ($_GET['warned'] == 'yes') {
-      $Where[] = 'ui1.Warned != \'0000-00-00 00:00:00\'';
+      $Where[] = 'ui1.Warned != NULL';
     } elseif ($_GET['warned'] == 'no') {
-      $Where[] = 'ui1.Warned = \'0000-00-00 00:00:00\'';
+      $Where[] = 'ui1.Warned = NULL';
     }
 
     if ($_GET['disabled_ip']) {

sections/user/take_edit.php

       UPDATE users_history_emails
       SET Time = '".sqltime()."'
       WHERE UserID = '$UserID'
-        AND Time = '0000-00-00 00:00:00'");
+        AND Time = NULL");
     $DB->query("
       INSERT INTO users_history_emails
         (UserID, Email, Time, IP)
       VALUES
-        ('$UserID', '".DBCrypt::encrypt($NewEmail)."', '0000-00-00 00:00:00', '".DBCrypt::encrypt($_SERVER['REMOTE_ADDR'])."')");
+        ('$UserID', '".DBCrypt::encrypt($NewEmail)."', NULL, '".DBCrypt::encrypt($_SERVER['REMOTE_ADDR'])."')");
 
   } else {
     error($Err);

sections/user/takemoderate.php

 if ($_POST['ResetRatioWatch'] && check_perms('users_edit_reset_keys')) {
   $DB->query("
     UPDATE users_info
-    SET RatioWatchEnds = '0000-00-00 00:00:00', RatioWatchDownload = '0', RatioWatchTimes = '0'
+    SET RatioWatchEnds = NULL, RatioWatchDownload = '0', RatioWatchTimes = '0'
     WHERE UserID = '$UserID'");
   $EditSummary[] = 'RatioWatch history reset';
 }
       INSERT INTO users_history_emails
         (UserID, Email, Time, IP)
       VALUES
-        ('$UserID', '".DBCrypt::encrypt($Username.'@'.SITE_DOMAIN)."', '0000-00-00 00:00:00', '".DBCrypt::encrypt('127.0.0.1')."')");
+        ('$UserID', '".DBCrypt::encrypt($Username.'@'.SITE_DOMAIN)."', NULL, '".DBCrypt::encrypt('127.0.0.1')."')");
   } else {
     $DB->query("
       INSERT INTO users_history_emails
         (UserID, Email, Time, IP)
       VALUES
-        ('$UserID', '".DBCrypt::encrypt($Username.'@'.SITE_DOMAIN)."', '0000-00-00 00:00:00', '".$Cur['IP']."')");
+        ('$UserID', '".DBCrypt::encrypt($Username.'@'.SITE_DOMAIN)."', NULL, '".$Cur['IP']."')");
   }
   $DB->query("
     UPDATE users_main
   $Cache->delete_value("user_badges_".$UserID);
 }
 
-if ($Warned == 1 && $Cur['Warned'] == '0000-00-00 00:00:00' && check_perms('users_warn')) {
+if ($Warned == 1 && $Cur['Warned'] == NULL && check_perms('users_warn')) {
   $Weeks = 'week' . ($WarnLength === 1 ? '' : 's');
   Misc::send_pm($UserID, 0, 'You have received a warning', "You have been [url=".site_url()."wiki.php?action=article&id=218]warned for $WarnLength {$Weeks}[/url] by [user]".$LoggedUser['Username']."[/user]. The reason given was:
 [quote]{$WarnReason}[/quote]");
   $EditSummary[] = db_string($Msg);
   $LightUpdates['Warned'] = time_plus(3600 * 24 * 7 * $WarnLength);
 
-} elseif ($Warned == 0 && $Cur['Warned'] != '0000-00-00 00:00:00' && check_perms('users_warn')) {
-  $UpdateSet[] = "Warned = '0000-00-00 00:00:00'";
+} elseif ($Warned == 0 && $Cur['Warned'] != NULL && check_perms('users_warn')) {
+  $UpdateSet[] = "Warned = NULL";
   $EditSummary[] = 'warning removed';
-  $LightUpdates['Warned'] = '0000-00-00 00:00:00';
+  $LightUpdates['Warned'] = NULL;
 
 } elseif ($Warned == 1 && $ExtendWarning != '---' && check_perms('users_warn')) {
   $Weeks = 'week' . ($ExtendWarning === 1 ? '' : 's');
     Tracker::update_tracker('add_user', array('id' => $UserID, 'passkey' => $Cur['torrent_pass'], 'visible' => $VisibleTrIP));
 
     if (($Cur['Downloaded'] == 0) || ($Cur['Uploaded'] / $Cur['Downloaded'] >= $Cur['RequiredRatio'])) {
-      $UpdateSet[] = "i.RatioWatchEnds = '0000-00-00 00:00:00'";
+      $UpdateSet[] = "i.RatioWatchEnds = NULL";
       $CanLeech = 1;
       $UpdateSet[] = "m.can_leech = '1'";
       $UpdateSet[] = "i.RatioWatchDownload = '0'";
     } else {
       $EnableStr .= ' (Ratio: '.Format::get_ratio_html($Cur['Uploaded'], $Cur['Downloaded'], false).', RR: '.number_format($Cur['RequiredRatio'],2).')';
-      if ($Cur['RatioWatchEnds'] != '0000-00-00 00:00:00') {
+      if ($Cur['RatioWatchEnds'] != NULL) {
         $UpdateSet[] = "i.RatioWatchEnds = NOW()";
         $UpdateSet[] = "i.RatioWatchDownload = m.Downloaded";
         $CanLeech = 0;

sections/user/user.php

         <li<?=($Override === 2 ? ' class="paranoia_override"' : '')?>><a href="userhistory.php?action=token_history&amp;userid=<?=$UserID?>">Tokens</a>: <?=number_format($FLTokens)?></li>
 <?
   }
-  if (($OwnProfile || check_perms('users_mod')) && $Warned != '0000-00-00 00:00:00') {
+  if (($OwnProfile || check_perms('users_mod')) && $Warned != NULL) {
 ?>
         <li<?=($Override === 2 ? ' class="paranoia_override"' : '')?>>Warning expires in: <?=time_diff((date('Y-m-d H:i', strtotime($Warned))))?></li>
 <?  } ?>
   </div>
   <div class="main_column">
 <?
-if ($RatioWatchEnds != '0000-00-00 00:00:00'
+if ($RatioWatchEnds != NULL
     && (time() < strtotime($RatioWatchEnds))
     && ($Downloaded * $RequiredRatio) > $Uploaded
     ) {
         INNER JOIN torrents_group AS g ON t.GroupID = g.ID
       WHERE s.uid = '$UserID'
         AND g.WikiImage != ''
-      GROUP BY g.ID
+      GROUP BY g.ID,s.tstamp
       ORDER BY s.tstamp DESC
       LIMIT 5");
     $RecentSnatches = $DB->to_array();
         INNER JOIN torrents AS t ON t.GroupID = g.ID
       WHERE t.UserID = '$UserID'
         AND g.WikiImage != ''
-      GROUP BY g.ID
+      GROUP BY g.ID,t.Time
       ORDER BY t.Time DESC
       LIMIT 5");
     $RecentUploads = $DB->to_array();
       <tr>
         <td class="label">Warned:</td>
         <td>
-          <input type="checkbox" name="Warned"<? if ($Warned != '0000-00-00 00:00:00') { ?> checked="checked"<? } ?> />
+          <input type="checkbox" name="Warned"<? if ($Warned != NULL) { ?> checked="checked"<? } ?> />
         </td>
       </tr>
-<?    if ($Warned == '0000-00-00 00:00:00') { // user is not warned ?>
+<?    if ($Warned == NULL) { // user is not warned ?>
       <tr>
         <td class="label">Expiration:</td>
         <td>
       </tr>
 <?  if (check_perms('users_disable_posts') || check_perms('users_disable_any')) {
     $DB->query("
-      SELECT DISTINCT Email, IP
+      SELECT DISTINCT Email, IP, Time
       FROM users_history_emails
       WHERE UserID = $UserID
       ORDER BY Time ASC");

sections/userhistory/email_history.php

       LEFT JOIN geoip_country AS c ON INET_ATON(h.IP) BETWEEN c.StartIP AND c.EndIP
     WHERE h.UserID = '$UserID'
       AND h2.UserID > 0"
-      /*AND Time != '0000-00-00 00:00:00'*/."
+      /*AND Time != NULL*/."
     ORDER BY Time DESC");
 } else {
   $DB->query("
     FROM users_history_emails AS h
       LEFT JOIN geoip_country AS c ON INET_ATON(h.IP) BETWEEN c.StartIP AND c.EndIP
     WHERE UserID = '$UserID' "
-      /*AND Time != '0000-00-00 00:00:00'*/."
+      /*AND Time != NULL*/."
     ORDER BY Time DESC");
 }
 $History = $DB->to_array();

sections/userhistory/email_history2.php

   $Invite['EndTime'] = $Joined;
   $Invite['AccountAge'] = date(time() + time() - strtotime($Joined)); // Same as EndTime but without ' ago'
   $Invite['IP'] = $History[0]['IP'];
-  if ($Current['StartTime'] == '0000-00-00 00:00:00') {
+  if ($Current['StartTime'] == NULL) {
     $Current['StartTime'] = $Joined;
   }
 } else {
   foreach ($History as $Key => $Val) {
-    if (isset($History[$Key + 1]) && $History[$Key + 1]['Time'] == '0000-00-00 00:00:00' && $Val['Time'] != '0000-00-00 00:00:00') {
+    if (isset($History[$Key + 1]) && $History[$Key + 1]['Time'] == NULL && $Val['Time'] != NULL) {
       // Invited email
       $Invite['Email'] = $Val['Email'];
       $Invite['EndTime'] = $Joined;
       $Invite['AccountAge'] = date(time() + time() - strtotime($Joined)); // Same as EndTime but without ' ago'
       $Invite['IP'] = $Val['IP'];
 
-    } elseif (isset($History[$Key - 1]) && $History[$Key - 1]['Email'] != $Val['Email'] && $Val['Time'] != '0000-00-00 00:00:00') {
+    } elseif (isset($History[$Key - 1]) && $History[$Key - 1]['Email'] != $Val['Email'] && $Val['Time'] != NULL) {
       // Old email
       $i = 1;
       while ($Val['Email'] == $History[$Key + $i]['Email']) {
         $i++;
       }
-      $Old[$Key]['StartTime'] = (isset($History[$Key + $i]) && $History[$Key + $i]['Time'] != '0000-00-00 00:00:00') ? $History[$Key + $i]['Time'] : $Joined;
+      $Old[$Key]['StartTime'] = (isset($History[$Key + $i]) && $History[$Key + $i]['Time'] != NULL) ? $History[$Key + $i]['Time'] : $Joined;
       $Old[$Key]['EndTime'] = $Val['Time'];
       $Old[$Key]['IP'] = $Val['IP'];
       $Old[$Key]['ElapsedTime'] = date(time() + strtotime($Old[$Key]['EndTime']) - strtotime($Old[$Key]['StartTime']));