[CssSelector] fixed coding standards: removed useless else statements

src/Symfony/Components/CssSelector/Node/AttribNode.php

@@ -117,10 +117,8 @@ class AttribNode implements NodeInterface
     {
       return '@'.$this->attrib;
     }
-    else
-    {
-      return sprintf('@%s:%s', $this->namespace, $this->attrib);
-    }
+
+    return sprintf('@%s:%s', $this->namespace, $this->attrib);
   }
 
   protected function formatAttrib()
@@ -129,9 +127,7 @@ class AttribNode implements NodeInterface
     {
       return $this->attrib;
     }
-    else
-    {
-      return sprintf('%s|%s', $this->namespace, $this->attrib);
-    }
+
+    return sprintf('%s|%s', $this->namespace, $this->attrib);
   }
 }

src/Symfony/Components/CssSelector/Node/ElementNode.php

@@ -45,10 +45,8 @@ class ElementNode implements NodeInterface
     {
       return $this->element;
     }
-    else
-    {
-      return sprintf('%s|%s', $this->namespace, $this->element);
-    }
+
+    return sprintf('%s|%s', $this->namespace, $this->element);
   }
 
   public function toXpath()

src/Symfony/Components/CssSelector/Node/FunctionNode.php

@@ -208,11 +208,13 @@ class FunctionNode implements NodeInterface
     {
       return array(2, 1);
     }
-    elseif ($s == 'even')
+
+    if ($s == 'even')
     {
       return array(2, 0);
     }
-    elseif ($s == 'n')
+
+    if ($s == 'n')
     {
       return array(1, 0);
     }

src/Symfony/Components/CssSelector/Parser.php

@@ -104,10 +104,8 @@ class Parser
     {
       return $result[0];
     }
-    else
-    {
-      return new Node\OrNode($result);
-    }
+
+    return new Node\OrNode($result);
   }
 
   protected function parseSelector($stream)

src/Symfony/Components/CssSelector/TokenStream.php

@@ -52,18 +52,16 @@ class TokenStream
 
       return $this->peeked;
     }
-    else
+
+    if (!count($this->tokens))
     {
-      if (!count($this->tokens))
-      {
-        return null;
-      }
+      return null;
+    }
 
-      $next = array_shift($this->tokens);
-      $this->used[] = $next;
+    $next = array_shift($this->tokens);
+    $this->used[] = $next;
 
-      return $next;
-    }
+    return $next;
   }
 
   public function peek()