posts input now separate key, more room for other things

classes/PostFixtures.inc

@@ -113,14 +113,22 @@ class PostFixtures {
 	}
 
 	function process_data($data) {
-		$posts = $data;
+		$posts = array();
 		$categories = array();
-		foreach ($data as $post) {
+
+		foreach ($data as $type => $info) {
+			switch ($type) {
+				case 'posts':
+					$posts = $info;
+					foreach ($posts as $post) {
 						$post = (array)$post;
 						if (isset($post['categories'])) {
 							$categories = array_merge($categories, $post['categories']);
 						}
 					}
+					break;
+			}
+		}
 		$categories = array_unique($categories);
 		return compact('posts', 'categories');
 	}