fix validation nested error messages

Author: taylorotwell

src/Illuminate/Validation/Concerns/FormatsMessages.php

@@ -98,6 +98,16 @@ protected function getFromLocalArray($attribute, $lowerRule, $source = null)
         // that is not attribute specific. If we find either we'll return it.
         foreach ($keys as $key) {
             foreach (array_keys($source) as $sourceKey) {
+                if (strpos($sourceKey, '*') !== false) {
+                    $pattern = str_replace('\*', '([^.]*)', preg_quote($sourceKey, '#'));
+
+                    if (preg_match('#^'.$pattern.'\z#u', $key) === 1) {
+                        return $source[$sourceKey];
+                    }
+
+                    continue;
+                }
+
                 if (Str::is($sourceKey, $key)) {
                     return $source[$sourceKey];
                 }

tests/Validation/ValidationValidatorTest.php

@@ -37,6 +37,32 @@ protected function tearDown(): void
         m::close();
     }
 
+    public function testNestedErrorMessagesAreRetrievedFromLocalArray()
+    {
+        $trans = $this->getIlluminateArrayTranslator();
+        $v = new Validator($trans, [
+            'users' => [
+                [
+                    'name' => 'Taylor Otwell',
+                    'posts' => [
+                        [
+                            'name' => '',
+                        ]
+                    ],
+                ],
+            ],
+        ], [
+            'users.*.name' => ['required'],
+            'users.*.posts.*.name' => ['required'],
+        ], [
+            'users.*.name.required' => 'user name is required',
+            'users.*.posts.*.name.required' => 'post name is required',
+        ]);
+
+        $this->assertFalse($v->passes());
+        $this->assertEquals('post name is required', $v->errors()->all()[0]);
+    }
+
     public function testSometimesWorksOnNestedArrays()
     {
         $trans = $this->getIlluminateArrayTranslator();