Unexpected non-MediaWiki exception encountered, of type &quot;Error&quot;<br />
Error: Call to undefined function each() in /apps/xmlpipedb/biodb/fall2013/includes/GlobalFunctions.php:142<br />
Stack trace:<br />
#0 [internal function]: wfArrayDiff2_cmp()<br />
#1 /apps/xmlpipedb/biodb/fall2013/includes/GlobalFunctions.php(126): array_udiff()<br />
#2 /apps/xmlpipedb/biodb/fall2013/includes/EditPage.php(415): wfArrayDiff2()<br />
#3 /apps/xmlpipedb/biodb/fall2013/includes/EditPage.php(346): EditPage-&gt;getEditPermissionErrors()<br />
#4 /apps/xmlpipedb/biodb/fall2013/includes/actions/EditAction.php(51): EditPage-&gt;edit()<br />
#5 /apps/xmlpipedb/biodb/fall2013/includes/Wiki.php(427): EditAction-&gt;show()<br />
#6 /apps/xmlpipedb/biodb/fall2013/includes/Wiki.php(304): MediaWiki-&gt;performAction()<br />
#7 /apps/xmlpipedb/biodb/fall2013/includes/Wiki.php(536): MediaWiki-&gt;performRequest()<br />
#8 /apps/xmlpipedb/biodb/fall2013/includes/Wiki.php(446): MediaWiki-&gt;main()<br />
#9 /apps/xmlpipedb/biodb/fall2013/index.php(59): MediaWiki-&gt;run()<br />
#10 {main}<br />