wikimedia / mediawiki

					$upgraded++;

					$newLength = strlen( $file->getMetadata() );

					$oldLength = strlen( $row->img_metadata );

					if ( $newLength < $oldLength - 5 ) {

						// If after updating, the metadata is smaller then

						// what it was before, that's probably not a good thing

						// because we extract more data with time, not less.

						// Thus this probably indicates an error of some sort,

						// or at the very least is suspicious. Have the - 5 just

						// to weed out any inconsequential changes.

						$error++;

						$this->output( "Warning: File:{$row->img_name} used to have " .

							"$oldLength bytes of metadata but now has $newLength bytes.\n" );

					} elseif ( $verbose ) {

						$this->output( "Refreshed File:{$row->img_name}.\n" );

					}

				} else {

					$leftAlone++;

					if ( $force ) {

						$file->upgradeRow();

						$newLength = strlen( $file->getMetadata() );

						$oldLength = strlen( $row->img_metadata );

						if ( $newLength < $oldLength - 5 ) {

							$error++;

							$this->output( "Warning: File:{$row->img_name} used to have " .

								"$oldLength bytes of metadata but now has $newLength bytes. (forced)\n" );

						}

						if ( $verbose ) {

							$this->output( "Forcibly refreshed File:{$row->img_name}.\n" );

						}