diff --git a/src/File.php b/src/File.php
index 41fc479..4c0d89e 100644
--- a/src/File.php
+++ b/src/File.php
@@ -7,14 +7,13 @@
  * A convenience class for temporary files.
  *
  * @author Michael Härtl <haertl.mike@gmail.com>
- * @version 1.1.0
  * @license http://www.opensource.org/licenses/MIT
  */
 class File
 {
     /**
-     * @var bool whether to delete the tmp file when it's no longer referenced or when the request ends.
-     * Default is `true`.
+     * @var bool whether to delete the tmp file when it's no longer referenced
+     * or when the request ends.  Default is `true`.
      */
     public $delete = true;
 
@@ -28,22 +27,24 @@ class File
      *
      * @param string $content the tmp file content
      * @param string|null $suffix the optional suffix for the tmp file
-     * @param string|null $prefix the optional prefix for the tmp file. If null 'php_tmpfile_' is used.
-     * @param string|null $directory directory where the file should be created. Autodetected if not provided.
+     * @param string|null $prefix the optional prefix for the tmp file. If null
+     * 'php_tmpfile_' is used.
+     * @param string|null $directory directory where the file should be
+     * created. Autodetected if not provided.
      */
     public function __construct($content, $suffix = null, $prefix = null, $directory = null)
     {
-        if ($directory===null) {
+        if ($directory === null) {
             $directory = self::getTempDir();
         }
 
-        if ($prefix===null) {
+        if ($prefix === null) {
             $prefix = 'php_tmpfile_';
         }
 
         $this->_fileName = tempnam($directory,$prefix);
-        if ($suffix!==null) {
-            $newName = $this->_fileName.$suffix;
+        if ($suffix !== null) {
+            $newName = $this->_fileName . $suffix;
             rename($this->_fileName, $newName);
             $this->_fileName = $newName;
         }
@@ -63,9 +64,11 @@ public function __destruct()
     /**
      * Send tmp file to client, either inline or as download
      *
-     * @param string|null $filename the filename to send. If empty, the file is streamed inline.
+     * @param string|null $filename the filename to send. If empty, the file is
+     * streamed inline.
      * @param string $contentType the Content-Type header
-     * @param bool $inline whether to force inline display of the file, even if filename is present.
+     * @param bool $inline whether to force inline display of the file, even if
+     * filename is present.
      */
     public function send($filename = null, $contentType, $inline = false)
     {
@@ -78,10 +81,10 @@ public function send($filename = null, $contentType, $inline = false)
         // #84: Content-Length leads to "network connection was lost" on iOS
         $isIOS = preg_match('/i(phone|pad|pod)/i', $_SERVER['HTTP_USER_AGENT']);
         if (!$isIOS) {
-            header('Content-Length: '.filesize($this->_fileName));
+            header('Content-Length: ' . filesize($this->_fileName));
         }
 
-        if ($filename!==null || $inline) {
+        if ($filename !== null || $inline) {
             $disposition = $inline ? 'inline' : 'attachment';
             header(
                 'Content-Disposition: ' . $disposition .
@@ -117,7 +120,11 @@ public static function getTempDir()
     {
         if (function_exists('sys_get_temp_dir')) {
             return sys_get_temp_dir();
-        } elseif ( ($tmp = getenv('TMP')) || ($tmp = getenv('TEMP')) || ($tmp = getenv('TMPDIR')) ) {
+        } elseif (
+            ($tmp = getenv('TMP')) ||
+            ($tmp = getenv('TEMP')) ||
+            ($tmp = getenv('TMPDIR'))
+        ) {
             return realpath($tmp);
         } else {
             return '/tmp';