Use PHP 7 '??' operator instead of '?:' with 'isset()' where convenient

[lhc/web/wiklou.git] / includes / actions / HistoryAction.php

diff --git a/includes/actions/HistoryAction.php b/includes/actions/HistoryAction.php
index f7ac21b..ad26256 100644 (file)
--- a/includes/actions/HistoryAction.php
+++ b/includes/actions/HistoryAction.php
@@ -711,9 +711,7 @@ class HistoryPager extends ReverseChronologicalPager {
                # Sometimes rev_len isn't populated
                if ( $rev->getSize() !== null ) {
                        # Size is always public data
-                       $prevSize = isset( $this->parentLens[$row->rev_parent_id] )
-                               ? $this->parentLens[$row->rev_parent_id]
-                               : 0;
+                       $prevSize = $this->parentLens[$row->rev_parent_id] ?? 0;
                        $sDiff = ChangesList::showCharacterDifference( $prevSize, $rev->getSize() );
                        $fSize = Linker::formatRevisionSize( $rev->getSize() );
                        $s .= ' <span class="mw-changeslist-separator">. .</span> ' . "$fSize $sDiff";