php 5.x support

Author: oscarotero

src/Adapters/Adapter.php

@@ -51,7 +51,10 @@ abstract class Adapter implements DataInterface
      *
      * @return bool
      */
-    abstract public static function check(Response $response);
+    public static function check(Response $response)
+    {
+        return $response->isValid();
+    }
 
     /**
      * Constructor.

src/Adapters/Webpage.php

@@ -10,14 +10,6 @@
  */
 class Webpage extends Adapter
 {
-    /**
-     * {@inheritdoc}
-     */
-    public static function check(Response $response)
-    {
-        return $response->isValid();
-    }
-
     /**
      * {@inheritdoc}
      */

tests/AbstractTestCase.php

@@ -2,9 +2,8 @@
 
 namespace Embed\Tests;
 
-use PHPUnit_Framework_TestCase;
 use Embed\Embed;
-use Embed\Adapters\Adapter;
+use PHPUnit_Framework_TestCase;
 use InvalidArgumentException;
 
 /**