[BUGFIX] Empty columns in Page Module view cause warnings

The iteration over columns in the page module layout view
expects arrays. Since it might happen, that there is no element
for a particular column, variables need to be initialized with
an empty array.

Change-Id: I63b4b26a87f1520139c9d66d0c096a78d39e409c
Fixes: #47529
Releases: 6.2, 6.1, 6.0, 4.7, 4.5
Reviewed-on: https://review.typo3.org/20229
Reviewed-by: Oliver Hader
Tested-by: Oliver Hader

diff --git a/typo3/sysext/backend/Classes/View/PageLayoutView.php b/typo3/sysext/backend/Classes/View/PageLayoutView.php
index 95a2697..d9a7d09 100644 (file)
--- a/typo3/sysext/backend/Classes/View/PageLayoutView.php
+++ b/typo3/sysext/backend/Classes/View/PageLayoutView.php
@@ -953,9 +953,9 @@ class PageLayoutView extends \TYPO3\CMS\Recordlist\RecordList\AbstractDatabaseRe
         * @return array Associative array for each column (colPos)
         */
        protected function getContentRecordsPerColumn($table, $id, array $columns, $additionalWhereClause = '') {
-               $contentRecordsPerColumn = array();
-
                $columns = array_map('intval', $columns);
+               $contentRecordsPerColumn = array_fill_keys($columns, array());
+
                $queryParts = $this->makeQueryArray('tt_content', $id, 'AND colPos IN (' . implode(',', $columns) . ')' . $additionalWhereClause);
                $result = $GLOBALS['TYPO3_DB']->exec_SELECT_queryArray($queryParts);
                // Traverse any selected elements and render their display code: