check for timestamps when creating pivot model from raw attributes as…

… well (#23963)

fixes #23601

src/Illuminate/Database/Eloquent/Relations/Pivot.php

@@ -84,6 +84,8 @@ public static function fromRawAttributes(Model $parent, $attributes, $table, $ex
 
         $instance->setRawAttributes($attributes, true);
 
+        $instance->timestamps = $instance->hasTimestampAttributes();
+
         return $instance;
     }
 

tests/Database/DatabaseEloquentPivotTest.php

@@ -88,6 +88,14 @@ public function testTimestampPropertyIsSetIfCreatedAtInAttributes()
         $this->assertFalse($pivot->timestamps);
     }
 
+    public function testTimestampPropertyIsTrueWhenCreatingFromRawAttributes()
+    {
+        $parent = m::mock('Illuminate\Database\Eloquent\Model[getConnectionName,getDates]');
+        $parent->shouldReceive('getConnectionName')->andReturn('connection');
+        $pivot = Pivot::fromRawAttributes($parent, ['foo' => 'bar', 'created_at' => 'foo'], 'table');
+        $this->assertTrue($pivot->timestamps);
+    }
+
     public function testKeysCanBeSetProperly()
     {
         $parent = m::mock('Illuminate\Database\Eloquent\Model[getConnectionName]');