diff --git a/src/Symfony/Component/Console/Tests/Fixtures/Foo6Command.php b/src/Symfony/Component/Console/Tests/Fixtures/Foo6Command.php
index 6ae987e484..ef5bd77026 100644
--- a/src/Symfony/Component/Console/Tests/Fixtures/Foo6Command.php
+++ b/src/Symfony/Component/Console/Tests/Fixtures/Foo6Command.php
@@ -1,6 +1,5 @@
 <?php
 
-
 use Symfony\Component\Console\Command\Command;
 
 class Foo6Command extends Command
diff --git a/src/Symfony/Component/CssSelector/XPath/Translator.php b/src/Symfony/Component/CssSelector/XPath/Translator.php
index dcf9071ed9..f8585a057d 100644
--- a/src/Symfony/Component/CssSelector/XPath/Translator.php
+++ b/src/Symfony/Component/CssSelector/XPath/Translator.php
@@ -89,7 +89,7 @@ class Translator implements TranslatorInterface
             }
         }
 
-        return sprintf('concat(%s)', implode($parts, ', '));
+        return sprintf('concat(%s)', implode(', ', $parts));
     }
 
     /**
diff --git a/src/Symfony/Component/Translation/Dumper/MoFileDumper.php b/src/Symfony/Component/Translation/Dumper/MoFileDumper.php
index 39dc2bade4..0ba69e841f 100644
--- a/src/Symfony/Component/Translation/Dumper/MoFileDumper.php
+++ b/src/Symfony/Component/Translation/Dumper/MoFileDumper.php
@@ -67,7 +67,7 @@ class MoFileDumper extends FileDumper
                           .$this->writeLong($offset[2] + $sourcesStart + $sourcesSize);
         }
 
-        $output = implode(array_map(array($this, 'writeLong'), $header))
+        $output = implode('', array_map(array($this, 'writeLong'), $header))
                .$sourceOffsets
                .$targetOffsets
                .$sources
diff --git a/src/Symfony/Component/Yaml/Inline.php b/src/Symfony/Component/Yaml/Inline.php
index 4288837bdb..639ff4a79a 100644
--- a/src/Symfony/Component/Yaml/Inline.php
+++ b/src/Symfony/Component/Yaml/Inline.php
@@ -234,7 +234,7 @@ class Inline
             if (null !== $delimiters) {
                 $tmp = ltrim(substr($scalar, $i), ' ');
                 if ('' === $tmp) {
-                    throw new ParseException(sprintf('Unexpected end of line, expected one of "%s".', implode($delimiters)));
+                    throw new ParseException(sprintf('Unexpected end of line, expected one of "%s".', implode('', $delimiters)));
                 }
                 if (!\in_array($tmp[0], $delimiters)) {
                     throw new ParseException(sprintf('Unexpected characters (%s).', substr($scalar, $i)));