Change config option 'default_suffix' to 'extension' to match other renderers

Author: Xerkus

src/ConfigProvider.php

@@ -1,7 +1,7 @@
 <?php
 /**
  * @see       https://github.com/zendframework/zend-expressive-zendviewrenderer for the canonical source repository
- * @copyright Copyright (c) 2017 Zend Technologies USA Inc. (https://www.zend.com)
+ * @copyright Copyright (c) 2017-2019 Zend Technologies USA Inc. (https://www.zend.com)
  * @license   https://github.com/zendframework/zend-expressive-zendviewrenderer/blob/master/LICENSE.md New BSD License
  */
 
@@ -38,7 +38,7 @@ public function getDependencies() : array
     public function getTemplates() : array
     {
         return [
-            'default_suffix' => 'phtml',
+            'extension' => 'phtml',
             'layout' => 'layout::default',
             'paths' => [],
         ];

src/ZendViewRendererFactory.php

@@ -69,8 +69,8 @@ public function __invoke(ContainerInterface $container) : ZendViewRenderer
 
         $nsPathResolver = new NamespacedPathStackResolver();
         // Set default suffix
-        if (isset($config['default_suffix'])) {
-            $nsPathResolver->setDefaultSuffix($config['default_suffix']);
+        if (isset($config['extension'])) {
+            $nsPathResolver->setDefaultSuffix($config['extension']);
         }
         $resolver->attach(
             $nsPathResolver,

test/ZendViewRendererFactoryTest.php

@@ -1,7 +1,7 @@
 <?php
 /**
  * @see       https://github.com/zendframework/zend-expressive-zendviewrenderer for the canonical source repository
- * @copyright Copyright (c) 2015-2017 Zend Technologies USA Inc. (https://www.zend.com)
+ * @copyright Copyright (c) 2015-2019 Zend Technologies USA Inc. (https://www.zend.com)
  * @license   https://github.com/zendframework/zend-expressive-zendviewrenderer/blob/master/LICENSE.md New BSD License
  */
 
@@ -256,7 +256,7 @@ public function testConfiguresCustomDefaultSuffix()
     {
         $config = [
             'templates' => [
-                'default_suffix' => 'php',
+                'extension' => 'php',
             ],
         ];