I&#39;m getting PHP notices about undefined constant for DATE_W3C:<br><br>PHP Notice:  Use of undefined constant DATE_W3C - assumed &#39;DATE_W3C&#39; in /home/sergey/www/sites/<a href="http://infeedcontrols.com/w/extensions/SemanticMediaWiki/specials/Export/SMW_SpecialOWLExport.php" target="_blank">infeedcontrols.com/w/extensions/SemanticMediaWiki/specials/Export/SMW_SpecialOWLExport.php</a> on line 566<br clear="all">
<br>I&#39;m running PHP 5.2.8 and almost latest SMW and MW:<br><a href="http://www.sharingbuttons.org/Special:Version">http://www.sharingbuttons.org/Special:Version</a><br><br>Might be related to some changes in PHP.<br><br>
           Sergey<br><br><br>-- <br>Sergey Chernyshev<br><a href="http://www.sergeychernyshev.com/" target="_blank">http://www.sergeychernyshev.com/</a><br>