FIX: Ensure that columns are unique within a gridfield

silverstripe · Sep 1, 2014 · 3644110 · 3644110
1 parent 0991477
commit 3644110
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/forms/gridfield/GridFieldDataColumns.php b/forms/gridfield/GridFieldDataColumns.php
@@ -33,7 +33,12 @@ class GridFieldDataColumns implements GridField_ColumnProvider {
 	 */
 	public function augmentColumns($gridField, &$columns) {
 		$baseColumns = array_keys($this->getDisplayFields($gridField));
-		foreach($baseColumns as $col) $columns[] = $col;
+
+		foreach($baseColumns as $col) {
+			$columns[] = $col;
+		}
+
+		$columns = array_unique($columns);
 	}
 
 	/**