cs

NullObject/LoggerInterface.php

@@ -1,18 +1,18 @@
 <?php
 
-/*
- * DesignPatternPHP
- */
-
 namespace DesignPatterns\NullObject;
 
 /**
  * LoggerInterface is a contract for logging something
  * 
- * Key-feaature : NullLogger MUST inherit from this interface like any other Loggers
+ * Key feature: NullLogger MUST inherit from this interface like any other Loggers
  */
 interface LoggerInterface
 {
-
+    /**
+     * @param string $str
+     *
+     * @return mixed
+     */
     public function log($str);
-}
+}

NullObject/NullLogger.php

@@ -1,9 +1,5 @@
 <?php
 
-/*
- * DesignPatternPHP
- */
-
 namespace DesignPatterns\NullObject;
 
 /**
@@ -32,10 +28,11 @@ namespace DesignPatterns\NullObject;
  */
 class NullLogger implements LoggerInterface
 {
-
+    /**
+     * @param string $str
+     */
     public function log($str)
     {
         // do nothing
     }
-
-}
+}

NullObject/PrintLogger.php

@@ -1,9 +1,5 @@
 <?php
 
-/*
- * DesignPatternPHP
- */
-
 namespace DesignPatterns\NullObject;
 
 /**
@@ -11,10 +7,11 @@ namespace DesignPatterns\NullObject;
  */
 class PrintLogger implements LoggerInterface
 {
-
+    /**
+     * @param string $str
+     */
     public function log($str)
     {
         echo $str;
     }
-
-}
+}

NullObject/Service.php

@@ -1,9 +1,5 @@
 <?php
 
-/*
- * DesignPatternPHP
- */
-
 namespace DesignPatterns\NullObject;
 
 /**
@@ -11,20 +7,28 @@ namespace DesignPatterns\NullObject;
  */
 class Service
 {
-
+    /**
+     * @var LoggerInterface
+     */
     protected $logger;
 
-    // we inject the logger in ctor and it is mandatory
+    /**
+     * we inject the logger in ctor and it is mandatory
+     *
+     * @param LoggerInterface $log
+     */
     public function __construct(LoggerInterface $log)
     {
         $this->logger = $log;
     }
 
+    /**
+     * do something ...
+     */
     public function doSomething()
     {
         // no more check "if (!is_null($this->logger))..." with the NullObject pattern
         $this->logger->log('We are in ' . __METHOD__);
         // something to do...
     }
-
-}
+}