From f7f409ba3d31018c1bfa74b7fa6a796a7e63a6f0 Mon Sep 17 00:00:00 2001
From: AntonShevchuk <AntonShevchuk@gmail.com>
Date: Thu, 19 Feb 2015 18:46:07 +0200
Subject: [PATCH] Fixed codestyle

---
 src/Config/Config.php   | 18 ++++++++++++------
 src/Controller/Crud.php |  2 +-
 2 files changed, 13 insertions(+), 7 deletions(-)

diff --git a/src/Config/Config.php b/src/Config/Config.php
index 128430a1..22b46e1c 100644
--- a/src/Config/Config.php
+++ b/src/Config/Config.php
@@ -137,22 +137,28 @@ protected function loadFiles($path)
      */
     public function getData($key = null, $section = null)
     {
-        if (!$this->config) {
+        // configuration is missed
+        if (is_null($this->config)) {
             throw new ConfigException('System configuration is missing');
         }
 
-        if (!is_null($key) && isset($this->config[$key])) {
-            if ($section
+        // return all configuration
+        if (is_null($key)) {
+            return $this->config;
+        }
+
+        // return part of configuration
+        if (isset($this->config[$key])) {
+            // return section of configuration
+            if (!is_null($section)
                 && isset($this->config[$key][$section])
             ) {
                 return $this->config[$key][$section];
             } else {
                 return $this->config[$key];
             }
-        } elseif (!is_null($key)) {
-            return null;
         } else {
-            return $this->config;
+            return null;
         }
     }
 
diff --git a/src/Controller/Crud.php b/src/Controller/Crud.php
index 54754e41..bde3f0eb 100644
--- a/src/Controller/Crud.php
+++ b/src/Controller/Crud.php
@@ -111,7 +111,7 @@ public function __invoke()
      */
     public function getPrimaryKey()
     {
-        if (!$this->primary) {
+        if (is_null($this->primary)) {
             $primary = $this->getCrud()->getPrimaryKey();
             $this->primary = array_intersect_key($this->data, array_flip($primary));
         }