fixed rel-alternate implementation and added some tests

Author: pfefferle

composer.json

@@ -33,6 +33,11 @@
       "composer update",
       "bin/install-wp-tests.sh wordpress wordpress wordpress",
       "vendor/bin/phpunit"
+    ],
+    "test-local": [
+      "composer update",
+      "bin/install-wp-tests.sh wordpress wordpress wordpress 127.0.0.1 4.9.8 true",
+      "vendor/bin/phpunit"
     ]
   }
 }

includes/class-linkbacks-mf2-handler.php

@@ -147,6 +147,8 @@ public static function generate_commentdata( $commentdata ) {
 		// check for rel-alternate links
 		if ( $alternate_source = self::get_alternate_source( $mf_array ) ) {
 			$mf_array = $alternate_source;
+
+			var_dump($mf_array);
 		}
 
 		// get all 'relevant' entries
@@ -479,7 +481,9 @@ public static function get_alternate_source( $mf_array ) {
 			return false;
 		}
 
-		return wp_remote_retrieve_body( $response );
+		$body = wp_remote_retrieve_body( $response );
+
+		return json_decode( $body, true );
 	}
 
 	/**