Fixes #4762: Reverted automatic ID fix.

framework/helpers/BaseHtml.php

@@ -1908,6 +1908,6 @@ class BaseHtml
     public static function getInputId($model, $attribute)
     {
         $name = strtolower(static::getInputName($model, $attribute));
-        return str_replace(['[]', '][', '[', ']', ' ', '.'], ['', '-', '-', '', '-', '-'], $name);
+        return str_replace(['[]', '][', '[', ']', ' '], ['', '-', '-', '', '-'], $name);
     }
 }

tests/unit/framework/helpers/HtmlTest.php

@@ -3,7 +3,6 @@
 namespace yiiunit\framework\helpers;
 
 use Yii;
-use yii\base\DynamicModel;
 use yii\helpers\Html;
 use yiiunit\TestCase;
 
@@ -158,13 +157,6 @@ class HtmlTest extends TestCase
         $this->assertEquals('<button type="reset" class="t" name="test" value="value">content<></button>', Html::resetButton('content<>', ['name' => 'test', 'value' => 'value', 'class' => 't']));
     }
 
-    public function testInputId()
-    {
-        $model = new DynamicModel(['test', 'relation.name']);
-        $this->assertEquals('<input type="text" id="dynamicmodel-test" name="DynamicModel[test]">', Html::activeTextInput($model, 'test'));
-        $this->assertEquals('<input type="text" id="dynamicmodel-relation-name" name="DynamicModel[relation.name]">', Html::activeTextInput($model, 'relation.name'));
-    }
-
     public function testInput()
     {
         $this->assertEquals('<input type="text">', Html::input('text'));