diff --git a/src/Symfony/Bundle/FrameworkBundle/Command/ServerRunCommand.php b/src/Symfony/Bundle/FrameworkBundle/Command/ServerRunCommand.php
index 909a4842a3..8c11c0cd21 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Command/ServerRunCommand.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Command/ServerRunCommand.php
@@ -90,7 +90,7 @@ EOF
         $address = $input->getArgument('address');
 
         if (false === strpos($address, ':')) {
-            $address = $address.':'.$input->getOption('port');
+            $address .= ':'.$input->getOption('port');
         }
 
         if ($this->isOtherServerProcessRunning($address)) {
diff --git a/src/Symfony/Bundle/FrameworkBundle/Command/ServerStartCommand.php b/src/Symfony/Bundle/FrameworkBundle/Command/ServerStartCommand.php
index 5b80cce253..f4e902e9ca 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Command/ServerStartCommand.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Command/ServerStartCommand.php
@@ -112,7 +112,7 @@ EOF
         $address = $input->getArgument('address');
 
         if (false === strpos($address, ':')) {
-            $address = $address.':'.$input->getOption('port');
+            $address .= ':'.$input->getOption('port');
         }
 
         if (!$input->getOption('force') && $this->isOtherServerProcessRunning($address)) {
diff --git a/src/Symfony/Bundle/FrameworkBundle/Command/ServerStatusCommand.php b/src/Symfony/Bundle/FrameworkBundle/Command/ServerStatusCommand.php
index 31f7078b1d..a07cf4ba90 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Command/ServerStatusCommand.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Command/ServerStatusCommand.php
@@ -49,7 +49,7 @@ class ServerStatusCommand extends ServerCommand
         $address = $input->getArgument('address');
 
         if (false === strpos($address, ':')) {
-            $address = $address.':'.$input->getOption('port');
+            $address .= ':'.$input->getOption('port');
         }
 
         // remove an orphaned lock file
diff --git a/src/Symfony/Bundle/FrameworkBundle/Command/ServerStopCommand.php b/src/Symfony/Bundle/FrameworkBundle/Command/ServerStopCommand.php
index 81c65868a4..6d98da6d47 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Command/ServerStopCommand.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Command/ServerStopCommand.php
@@ -59,7 +59,7 @@ EOF
 
         $address = $input->getArgument('address');
         if (false === strpos($address, ':')) {
-            $address = $address.':'.$input->getOption('port');
+            $address .= ':'.$input->getOption('port');
         }
 
         $lockFile = $this->getLockFile($address);
diff --git a/src/Symfony/Bundle/FrameworkBundle/Command/TranslationDebugCommand.php b/src/Symfony/Bundle/FrameworkBundle/Command/TranslationDebugCommand.php
index ad8646f9c4..1a0e1ed8a6 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Command/TranslationDebugCommand.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Command/TranslationDebugCommand.php
@@ -263,7 +263,7 @@ EOF
     {
         $extractedCatalogue = new MessageCatalogue($locale);
         foreach ($transPaths as $path) {
-            $path = $path.'views';
+            $path .= 'views';
             if (is_dir($path)) {
                 $this->getContainer()->get('translation.extractor')->extract($path, $extractedCatalogue);
             }
@@ -283,7 +283,7 @@ EOF
     {
         $currentCatalogue = new MessageCatalogue($locale);
         foreach ($transPaths as $path) {
-            $path = $path.'translations';
+            $path .= 'translations';
             if (is_dir($path)) {
                 $loader->loadMessages($path, $currentCatalogue);
             }
@@ -311,7 +311,7 @@ EOF
 
                 $fallbackCatalogue = new MessageCatalogue($fallbackLocale);
                 foreach ($transPaths as $path) {
-                    $path = $path.'translations';
+                    $path .= 'translations';
                     if (is_dir($path)) {
                         $loader->loadMessages($path, $fallbackCatalogue);
                     }
diff --git a/src/Symfony/Bundle/SecurityBundle/Tests/DependencyInjection/CompleteConfigurationTest.php b/src/Symfony/Bundle/SecurityBundle/Tests/DependencyInjection/CompleteConfigurationTest.php
index 61cb8b3a6b..7ef554e7cd 100644
--- a/src/Symfony/Bundle/SecurityBundle/Tests/DependencyInjection/CompleteConfigurationTest.php
+++ b/src/Symfony/Bundle/SecurityBundle/Tests/DependencyInjection/CompleteConfigurationTest.php
@@ -264,7 +264,7 @@ abstract class CompleteConfigurationTest extends TestCase
 
     protected function getContainer($file)
     {
-        $file = $file.'.'.$this->getFileExtension();
+        $file .= '.'.$this->getFileExtension();
 
         if (isset(self::$containerCache[$file])) {
             return self::$containerCache[$file];
diff --git a/src/Symfony/Component/ClassLoader/ClassCollectionLoader.php b/src/Symfony/Component/ClassLoader/ClassCollectionLoader.php
index 19073ba574..b96a4af639 100644
--- a/src/Symfony/Component/ClassLoader/ClassCollectionLoader.php
+++ b/src/Symfony/Component/ClassLoader/ClassCollectionLoader.php
@@ -53,7 +53,7 @@ class ClassCollectionLoader
             $classes = array_diff($classes, $declared);
 
             // the cache is different depending on which classes are already declared
-            $name = $name.'-'.substr(hash('sha256', implode('|', $classes)), 0, 5);
+            $name .= '-'.substr(hash('sha256', implode('|', $classes)), 0, 5);
         }
 
         $classes = array_unique($classes);
diff --git a/src/Symfony/Component/Console/Input/InputDefinition.php b/src/Symfony/Component/Console/Input/InputDefinition.php
index 72f784cebb..7d40881b19 100644
--- a/src/Symfony/Component/Console/Input/InputDefinition.php
+++ b/src/Symfony/Component/Console/Input/InputDefinition.php
@@ -390,7 +390,7 @@ class InputDefinition
             if (!$argument->isRequired()) {
                 $element = '['.$element.']';
             } elseif ($argument->isArray()) {
-                $element = $element.' ('.$element.')';
+                $element .= ' ('.$element.')';
             }
 
             if ($argument->isArray()) {
diff --git a/src/Symfony/Component/Form/Tests/Util/StringUtilTest.php b/src/Symfony/Component/Form/Tests/Util/StringUtilTest.php
index 2103fa40e5..86c68ba331 100644
--- a/src/Symfony/Component/Form/Tests/Util/StringUtilTest.php
+++ b/src/Symfony/Component/Form/Tests/Util/StringUtilTest.php
@@ -35,7 +35,7 @@ class StringUtilTest extends TestCase
 
         // Convert UCS-2BE to UTF-8
         $symbol = mb_convert_encoding($binary, 'UTF-8', 'UCS-2BE');
-        $symbol = $symbol."ab\ncd".$symbol;
+        $symbol .= "ab\ncd".$symbol;
 
         $this->assertSame("ab\ncd", StringUtil::trim($symbol));
     }
diff --git a/src/Symfony/Component/HttpFoundation/Request.php b/src/Symfony/Component/HttpFoundation/Request.php
index 85b5a53f4f..f202d19f4d 100644
--- a/src/Symfony/Component/HttpFoundation/Request.php
+++ b/src/Symfony/Component/HttpFoundation/Request.php
@@ -351,7 +351,7 @@ class Request
 
         if (isset($components['port'])) {
             $server['SERVER_PORT'] = $components['port'];
-            $server['HTTP_HOST'] = $server['HTTP_HOST'].':'.$components['port'];
+            $server['HTTP_HOST'] .= ':'.$components['port'];
         }
 
         if (isset($components['user'])) {