Added "{}" around all double quoted variables, for readability's sake;

Performance improvement in Serializer - wrap length is calculated once during the text portion only. Tags reuse the result. Also no "prefix" adding in tags - the name is simply added before wrapping.

Author: boenrobot

src/phpDocumentor/Reflection/DocBlock.php

@@ -243,7 +243,7 @@ public function getText()
         $long = $this->getLongDescription()->getContents();
 
         if ($long) {
-            return $short . "\n\n" . $long;
+            return "{$short}\n\n{$long}";
         } else {
             return $short;
         }

src/phpDocumentor/Reflection/DocBlock/Serializer.php

@@ -172,36 +172,23 @@ public function getDocComment(DocBlock $docblock)
 
         $text = $docblock->getText();
         if ($this->lineLength) {
-            $text = wordwrap(
-                $text,
-                $this->lineLength - strlen($indent) - 3/*strlen(' * ')*/
-            );
+            //3 === strlen(' * ')
+            $wrapLength = $this->lineLength - strlen($indent) - 3;
+            $text = wordwrap($text, $wrapLength);
         }
-        $text = str_replace("\n", "\n$indent * ", $text);
+        $text = str_replace("\n", "\n{$indent} * ", $text);
 
-        $comment = "$firstIndent/**\n$indent * $text\n$indent *\n";
+        $comment = "{$firstIndent}/**\n{$indent} * {$text}\n{$indent} *\n";
 
         /** @var Tag $tag */
         foreach ($docblock->getTags() as $tag) {
-            $tagName = $tag->getName();
-            $prefixLength = 1/*strlen('@')*/ + strlen($tagName);
-
-            //Added to take the first line of the tag into account.
-            $tagContent = str_repeat(' ', $prefixLength) . $tag->getContent();
-
+            $tagText = "@{$tag->getName()} {$tag->getContent()}";
             if ($this->lineLength) {
-                $tagContent = wordwrap(
-                    $tagContent,
-                    $this->lineLength - strlen($indent) - 3/*strlen(' * ')*/
-                );
+                $tagText = wordwrap($tagText, $wrapLength);
             }
+            $tagText = str_replace("\n", "\n{$indent} * ", $tagText);
 
-            //Clean up the prefix.
-            substr_replace($tagContent, '', 0, $prefixLength);
-
-            $tagContent = str_replace("\n", "\n$indent * ", $tagContent);
-
-            $comment .= "$indent * @{$tagName} {$tagContent}\n";
+            $comment .= "{$indent} * {$tagText}\n";
         }
 
         $comment .= $indent . ' */';