Support Collection#countBy($key) (#33852)

illuminate · Aug 13, 2020 · 0adb41f · 0adb41f
1 parent 9b0c0af
commit 0adb41f
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/LazyCollection.php b/LazyCollection.php
@@ -248,9 +248,9 @@ public function crossJoin(...$arrays)
      */
     public function countBy($countBy = null)
     {
-        if (is_null($countBy)) {
-            $countBy = $this->identity();
-        }
+        $countBy = is_null($countBy)
+            ? $this->identity()
+            : $this->valueRetriever($countBy);
 
         return new static(function () use ($countBy) {
             $counts = [];