Unexpected non-MediaWiki exception encountered, of type "Error"
[bd2f53e5] /wiki/index.php?title=Basic_algebra&diff=cur&oldid=567 Exception from line 436 of /zstore/backups/cn10/home/ws10522/public_html/wiki/includes/diff/DairikiDiff.php: Call to undefined function each()
Backtrace:
#0 /zstore/backups/cn10/home/ws10522/public_html/wiki/includes/diff/DairikiDiff.php(546): DiffEngine->diag(integer, integer, integer, integer, integer)
#1 /zstore/backups/cn10/home/ws10522/public_html/wiki/includes/diff/DairikiDiff.php(347): DiffEngine->compareSeq(integer, integer, integer, integer)
#2 /zstore/backups/cn10/home/ws10522/public_html/wiki/includes/diff/DairikiDiff.php(228): DiffEngine->diffLocal(array, array)
#3 /zstore/backups/cn10/home/ws10522/public_html/wiki/includes/diff/DairikiDiff.php(725): DiffEngine->diff(array, array)
#4 /zstore/backups/cn10/home/ws10522/public_html/wiki/includes/diff/DifferenceEngine.php(937): Diff->__construct(array, array)
#5 /zstore/backups/cn10/home/ws10522/public_html/wiki/includes/diff/DifferenceEngine.php(844): DifferenceEngine->textDiff(string, string)
#6 /zstore/backups/cn10/home/ws10522/public_html/wiki/includes/diff/DifferenceEngine.php(860): DifferenceEngine->{closure}()
#7 /zstore/backups/cn10/home/ws10522/public_html/wiki/includes/diff/DifferenceEngine.php(813): DifferenceEngine->generateTextDiffBody(string, string)
#8 /zstore/backups/cn10/home/ws10522/public_html/wiki/includes/diff/DifferenceEngine.php(743): DifferenceEngine->generateContentDiffBody(WikitextContent, WikitextContent)
#9 /zstore/backups/cn10/home/ws10522/public_html/wiki/includes/diff/DifferenceEngine.php(665): DifferenceEngine->getDiffBody()
#10 /zstore/backups/cn10/home/ws10522/public_html/wiki/includes/diff/DifferenceEngine.php(635): DifferenceEngine->getDiff(string, string, string)
#11 /zstore/backups/cn10/home/ws10522/public_html/wiki/includes/diff/DifferenceEngine.php(443): DifferenceEngine->showDiff(string, string, string)
#12 /zstore/backups/cn10/home/ws10522/public_html/wiki/includes/Article.php(826): DifferenceEngine->showDiffPage(boolean)
#13 /zstore/backups/cn10/home/ws10522/public_html/wiki/includes/Article.php(549): Article->showDiffPage()
#14 /zstore/backups/cn10/home/ws10522/public_html/wiki/includes/actions/ViewAction.php(44): Article->view()
#15 /zstore/backups/cn10/home/ws10522/public_html/wiki/includes/Wiki.php(487): ViewAction->show()
#16 /zstore/backups/cn10/home/ws10522/public_html/wiki/includes/Wiki.php(285): MediaWiki->performAction(Article, Title)
#17 /zstore/backups/cn10/home/ws10522/public_html/wiki/includes/Wiki.php(647): MediaWiki->performRequest()
#18 /zstore/backups/cn10/home/ws10522/public_html/wiki/includes/Wiki.php(506): MediaWiki->main()
#19 /zstore/backups/cn10/home/ws10522/public_html/wiki/index.php(48): MediaWiki->run()
#20 {main}