wikimedia / mediawiki

			// The exception being, during an undo, the current revision might

			// differ from the prior revision.

			$logger = LoggerFactory::getInstance( 'editpage' );

			if ( $this->contentModel !== $rev->getContentModel() ) {

				$logger->warning( "Overriding content model from current edit {prev} to {new}", [

					'prev' => $this->contentModel,

					'new' => $rev->getContentModel(),

					'title' => $this->getTitle()->getPrefixedDBkey(),

					'method' => __METHOD__

				] );

				$this->contentModel = $rev->getContentModel();

			}

			// Given that the content models should match, the current selected

			// format should be supported.

			// Given that the content models should match, the current selected

			// format should be supported.

			if ( !$content->isSupportedFormat( $this->contentFormat ) ) {

				$logger->warning( "Current revision content format unsupported. Overriding {prev} to {new}", [

					'prev' => $this->contentFormat,

					'new' => $rev->getContentFormat(),

					'title' => $this->getTitle()->getPrefixedDBkey(),

					'method' => __METHOD__

				] );

				$this->contentFormat = $rev->getContentFormat();

			}

		}

		return $content;

	}