diff --git a/src/PhpSpreadsheet/Calculation/Categories.php b/src/PhpSpreadsheet/Calculation/Categories.php
index 4ecc609c..8f3ba238 100644
--- a/src/PhpSpreadsheet/Calculation/Categories.php
+++ b/src/PhpSpreadsheet/Calculation/Categories.php
@@ -125,21 +125,21 @@ class Categories
     }
 
     /**
-     * Get PhpSpreadsheet function name
+     * Get Spreadsheet function name
      *
      * @return string
      */
-    public function getPhpSpreadsheetName()
+    public function getSpreadsheetName()
     {
         return $this->spreadsheetName;
     }
 
     /**
-     * Set PhpSpreadsheet function  name
+     * Set Spreadsheet function  name
      *
      * @param string    $value
      */
-    public function setPhpSpreadsheetName($value)
+    public function setSpreadsheetName($value)
     {
         $this->spreadsheetName = $value;
     }
diff --git a/src/PhpSpreadsheet/Reader/Excel2003XML.php b/src/PhpSpreadsheet/Reader/Excel2003XML.php
index b313cf5e..761b751d 100644
--- a/src/PhpSpreadsheet/Reader/Excel2003XML.php
+++ b/src/PhpSpreadsheet/Reader/Excel2003XML.php
@@ -2,6 +2,8 @@
 
 namespace PhpSpreadsheet\Reader;
 
+use PhpSpreadsheet\Spreadsheet;
+
 /**
  * Copyright (c) 2006 - 2016 PhpSpreadsheet
  *
@@ -100,7 +102,7 @@ class Excel2003XML extends BaseReader implements IReader
     }
 
     /**
-     * Reads names of the worksheets from a file, without parsing the whole file to a PhpSpreadsheet object
+     * Reads names of the worksheets from a file, without parsing the whole file to a Spreadsheet object
      *
      * @param     string         $pFilename
      * @throws     Exception
@@ -208,7 +210,7 @@ class Excel2003XML extends BaseReader implements IReader
     }
 
     /**
-     * Loads PhpSpreadsheet from file
+     * Loads Spreadsheet from file
      *
      * @param     string         $pFilename
      * @throws     Exception
@@ -216,8 +218,8 @@ class Excel2003XML extends BaseReader implements IReader
      */
     public function load($pFilename)
     {
-        // Create new PhpSpreadsheet
-        $spreadsheet = new PhpSpreadsheet();
+        // Create new Spreadsheet
+        $spreadsheet = new Spreadsheet();
         $spreadsheet->removeSheetByIndex(0);
 
         // Load into this instance
@@ -273,7 +275,7 @@ class Excel2003XML extends BaseReader implements IReader
     }
 
     /**
-     * Loads PhpSpreadsheet from file into PhpSpreadsheet instance
+     * Loads from file into Spreadsheet instance
      *
      * @param     string         $pFilename
      * @param     \PhpSpreadsheet\Spreadsheet    $spreadsheet
@@ -371,7 +373,7 @@ class Excel2003XML extends BaseReader implements IReader
         if (isset($xml->CustomDocumentProperties)) {
             foreach ($xml->CustomDocumentProperties[0] as $propertyName => $propertyValue) {
                 $propertyAttributes = $propertyValue->attributes($namespaces['dt']);
-                $propertyName = preg_replace_callback('/_x([0-9a-z]{4})_/', '\\PhpSpreadsheet\\Reader\\Excel2003XML::hex2str', $propertyName);
+                $propertyName = preg_replace_callback('/_x([0-9a-z]{4})_/', ['self', 'hex2str'], $propertyName);
                 $propertyType = \PhpSpreadsheet\Document\Properties::PROPERTY_TYPE_UNKNOWN;
                 switch ((string) $propertyAttributes) {
                     case 'string':
diff --git a/src/PhpSpreadsheet/Reader/Gnumeric.php b/src/PhpSpreadsheet/Reader/Gnumeric.php
index 08591480..246b655f 100644
--- a/src/PhpSpreadsheet/Reader/Gnumeric.php
+++ b/src/PhpSpreadsheet/Reader/Gnumeric.php
@@ -2,6 +2,8 @@
 
 namespace PhpSpreadsheet\Reader;
 
+use PhpSpreadsheet\Spreadsheet;
+
 /**
  * Copyright (c) 2006 - 2016 PhpSpreadsheet
  *
@@ -83,7 +85,7 @@ class Gnumeric extends BaseReader implements IReader
     }
 
     /**
-     * Reads names of the worksheets from a file, without parsing the whole file to a PhpSpreadsheet object
+     * Reads names of the worksheets from a file, without parsing the whole file to a Spreadsheet object
      *
      * @param   string         $pFilename
      * @throws  Exception
@@ -178,30 +180,30 @@ class Gnumeric extends BaseReader implements IReader
     }
 
     /**
-     * Loads PhpSpreadsheet from file
+     * Loads Spreadsheet from file
      *
      * @param     string         $pFilename
      * @throws     Exception
-     * @return     PhpSpreadsheet
+     * @return     Spreadsheet
      */
     public function load($pFilename)
     {
-        // Create new PhpSpreadsheet
-        $spreadsheet = new PhpSpreadsheet();
+        // Create new Spreadsheet
+        $spreadsheet = new Spreadsheet();
 
         // Load into this instance
         return $this->loadIntoExisting($pFilename, $spreadsheet);
     }
 
     /**
-     * Loads PhpSpreadsheet from file into PhpSpreadsheet instance
+     * Loads from file into Spreadsheet instance
      *
      * @param     string         $pFilename
-     * @param    \PhpSpreadsheet\Spreadsheet    $spreadsheet
+     * @param    Spreadsheet    $spreadsheet
      * @throws     Exception
      * @return     PhpSpreadsheet
      */
-    public function loadIntoExisting($pFilename, \PhpSpreadsheet\Spreadsheet $spreadsheet)
+    public function loadIntoExisting($pFilename, Spreadsheet $spreadsheet)
     {
         // Check if file exists
         if (!file_exists($pFilename)) {
diff --git a/src/PhpSpreadsheet/Writer/Excel2007.php b/src/PhpSpreadsheet/Writer/Excel2007.php
index 6e178bbd..be64d163 100644
--- a/src/PhpSpreadsheet/Writer/Excel2007.php
+++ b/src/PhpSpreadsheet/Writer/Excel2007.php
@@ -2,6 +2,8 @@
 
 namespace PhpSpreadsheet\Writer;
 
+use PhpSpreadsheet\Spreadsheet;
+
 /**
  * PhpSpreadsheet\Writer\Excel2007
  *
@@ -113,7 +115,7 @@ class Excel2007 extends BaseWriter implements IWriter
     public function __construct(\PhpSpreadsheet\Spreadsheet $spreadsheet = null)
     {
         // Assign PhpSpreadsheet
-        $this->setPhpSpreadsheet($spreadsheet);
+        $this->setSpreadsheet($spreadsheet);
 
         $writerPartsArray = [
             'stringtable' => '\\PhpSpreadsheet\\Writer\\Excel2007\\StringTable',
@@ -397,28 +399,28 @@ class Excel2007 extends BaseWriter implements IWriter
     }
 
     /**
-     * Get PhpSpreadsheet object
+     * Get Spreadsheet object
      *
      * @throws \PhpSpreadsheet\Writer\Exception
-     * @return PhpSpreadsheet
+     * @return Spreadsheet
      */
-    public function getPhpSpreadsheet()
+    public function getSpreadsheet()
     {
         if ($this->spreadSheet !== null) {
             return $this->spreadSheet;
         } else {
-            throw new \PhpSpreadsheet\Writer\Exception('No PhpSpreadsheet object assigned.');
+            throw new \PhpSpreadsheet\Writer\Exception('No Spreadsheet object assigned.');
         }
     }
 
     /**
-     * Set PhpSpreadsheet object
+     * Set Spreadsheet object
      *
      * @param     \PhpSpreadsheet\Spreadsheet     $spreadsheet    PhpSpreadsheet object
      * @throws    Exception
      * @return    Excel2007
      */
-    public function setPhpSpreadsheet(\PhpSpreadsheet\Spreadsheet $spreadsheet = null)
+    public function setSpreadsheet(Spreadsheet $spreadsheet = null)
     {
         $this->spreadSheet = $spreadsheet;
 
diff --git a/src/PhpSpreadsheet/Writer/Excel2007/Worksheet.php b/src/PhpSpreadsheet/Writer/Excel2007/Worksheet.php
index 62f276d9..ea886c21 100644
--- a/src/PhpSpreadsheet/Writer/Excel2007/Worksheet.php
+++ b/src/PhpSpreadsheet/Writer/Excel2007/Worksheet.php
@@ -211,7 +211,7 @@ class Worksheet extends WriterPart
 
         // Sheet selected?
         $sheetSelected = false;
-        if ($this->getParentWriter()->getPhpSpreadsheet()->getIndex($pSheet) == $this->getParentWriter()->getPhpSpreadsheet()->getActiveSheetIndex()) {
+        if ($this->getParentWriter()->getSpreadsheet()->getIndex($pSheet) == $this->getParentWriter()->getSpreadsheet()->getActiveSheetIndex()) {
             $sheetSelected = true;
         }
 
diff --git a/src/PhpSpreadsheet/Writer/HTML.php b/src/PhpSpreadsheet/Writer/HTML.php
index 0a027c71..5325d58d 100644
--- a/src/PhpSpreadsheet/Writer/HTML.php
+++ b/src/PhpSpreadsheet/Writer/HTML.php
@@ -1,6 +1,6 @@
 <?php
 
-namespace Spreadsheet\Writer;
+namespace PhpSpreadsheet\Writer;
 
 use Spreadsheet\Calculation;
 use Spreadsheet\Shared\Font;
diff --git a/src/PhpSpreadsheet/Writer/OpenDocument.php b/src/PhpSpreadsheet/Writer/OpenDocument.php
index c052466c..7f1bdc71 100644
--- a/src/PhpSpreadsheet/Writer/OpenDocument.php
+++ b/src/PhpSpreadsheet/Writer/OpenDocument.php
@@ -2,6 +2,8 @@
 
 namespace PhpSpreadsheet\Writer;
 
+use PhpSpreadsheet\Spreadsheet;
+
 /**
  * Copyright (c) 2006 - 2015 PhpSpreadsheet
  *
@@ -47,7 +49,7 @@ class OpenDocument extends BaseWriter implements IWriter
      */
     public function __construct(\PhpSpreadsheet\SpreadSheet $spreadsheet = null)
     {
-        $this->setPhpSpreadsheet($spreadsheet);
+        $this->setSpreadsheet($spreadsheet);
 
         $writerPartsArray = [
             'content' => \PhpSpreadsheet\Writer\OpenDocument\Content::class,
@@ -160,12 +162,12 @@ class OpenDocument extends BaseWriter implements IWriter
     }
 
     /**
-     * Get PhpSpreadsheet object
+     * Get Spreadsheet object
      *
      * @throws \PhpSpreadsheet\Writer\Exception
-     * @return PhpSpreadsheet
+     * @return Spreadsheet
      */
-    public function getPhpSpreadsheet()
+    public function getSpreadsheet()
     {
         if ($this->spreadSheet !== null) {
             return $this->spreadSheet;
@@ -181,7 +183,7 @@ class OpenDocument extends BaseWriter implements IWriter
      * @throws \PhpSpreadsheet\Writer\Exception
      * @return Excel2007
      */
-    public function setPhpSpreadsheet(\PhpSpreadsheet\SpreadSheet $spreadsheet = null)
+    public function setSpreadsheet(\PhpSpreadsheet\SpreadSheet $spreadsheet = null)
     {
         $this->spreadSheet = $spreadsheet;
 
diff --git a/src/PhpSpreadsheet/Writer/OpenDocument/Content.php b/src/PhpSpreadsheet/Writer/OpenDocument/Content.php
index 8ab14baf..929af08d 100644
--- a/src/PhpSpreadsheet/Writer/OpenDocument/Content.php
+++ b/src/PhpSpreadsheet/Writer/OpenDocument/Content.php
@@ -47,7 +47,7 @@ class Content extends WriterPart
     public function write(\PhpSpreadsheet\SpreadSheet $spreadsheet = null)
     {
         if (!$spreadsheet) {
-            $spreadsheet = $this->getParentWriter()->getPhpSpreadsheet(); /* @var $spreadsheet PhpSpreadsheet */
+            $spreadsheet = $this->getParentWriter()->getSpreadsheet(); /* @var $spreadsheet PhpSpreadsheet */
         }
 
         $objWriter = null;
@@ -119,7 +119,7 @@ class Content extends WriterPart
      */
     private function writeSheets(\PhpSpreadsheet\Shared\XMLWriter $objWriter)
     {
-        $spreadsheet = $this->getParentWriter()->getPhpSpreadsheet(); /* @var $spreadsheet PhpSpreadsheet */
+        $spreadsheet = $this->getParentWriter()->getSpreadsheet(); /* @var $spreadsheet PhpSpreadsheet */
 
         $sheet_count = $spreadsheet->getSheetCount();
         for ($i = 0; $i < $sheet_count; ++$i) {
diff --git a/src/PhpSpreadsheet/Writer/OpenDocument/Meta.php b/src/PhpSpreadsheet/Writer/OpenDocument/Meta.php
index bd5082c7..44d7187a 100644
--- a/src/PhpSpreadsheet/Writer/OpenDocument/Meta.php
+++ b/src/PhpSpreadsheet/Writer/OpenDocument/Meta.php
@@ -36,7 +36,7 @@ class Meta extends WriterPart
     public function write(\PhpSpreadsheet\SpreadSheet $spreadsheet = null)
     {
         if (!$spreadsheet) {
-            $spreadsheet = $this->getParentWriter()->getPhpSpreadsheet();
+            $spreadsheet = $this->getParentWriter()->getSpreadsheet();
         }
 
         $objWriter = null;
diff --git a/src/PhpSpreadsheet/Writer/OpenDocument/MetaInf.php b/src/PhpSpreadsheet/Writer/OpenDocument/MetaInf.php
index 94374cad..3054d13d 100644
--- a/src/PhpSpreadsheet/Writer/OpenDocument/MetaInf.php
+++ b/src/PhpSpreadsheet/Writer/OpenDocument/MetaInf.php
@@ -36,7 +36,7 @@ class MetaInf extends WriterPart
     public function writeManifest(\PhpSpreadsheet\SpreadSheet $spreadsheet = null)
     {
         if (!$spreadsheet) {
-            $spreadsheet = $this->getParentWriter()->getPhpSpreadsheet();
+            $spreadsheet = $this->getParentWriter()->getSpreadsheet();
         }
 
         $objWriter = null;
diff --git a/src/PhpSpreadsheet/Writer/OpenDocument/Settings.php b/src/PhpSpreadsheet/Writer/OpenDocument/Settings.php
index 10ae515c..01e74f96 100644
--- a/src/PhpSpreadsheet/Writer/OpenDocument/Settings.php
+++ b/src/PhpSpreadsheet/Writer/OpenDocument/Settings.php
@@ -36,7 +36,7 @@ class Settings extends WriterPart
     public function write(\PhpSpreadsheet\SpreadSheet $spreadsheet = null)
     {
         if (!$spreadsheet) {
-            $spreadsheet = $this->getParentWriter()->getPhpSpreadsheet();
+            $spreadsheet = $this->getParentWriter()->getSpreadsheet();
         }
 
         $objWriter = null;
diff --git a/src/PhpSpreadsheet/Writer/OpenDocument/Styles.php b/src/PhpSpreadsheet/Writer/OpenDocument/Styles.php
index 6c5bcdf1..d18746a8 100644
--- a/src/PhpSpreadsheet/Writer/OpenDocument/Styles.php
+++ b/src/PhpSpreadsheet/Writer/OpenDocument/Styles.php
@@ -36,7 +36,7 @@ class Styles extends WriterPart
     public function write(\PhpSpreadsheet\SpreadSheet $spreadsheet = null)
     {
         if (!$spreadsheet) {
-            $spreadsheet = $this->getParentWriter()->getPhpSpreadsheet();
+            $spreadsheet = $this->getParentWriter()->getSpreadsheet();
         }
 
         $objWriter = null;
diff --git a/src/PhpSpreadsheet/Writer/PDF/DomPDF.php b/src/PhpSpreadsheet/Writer/PDF/DomPDF.php
index f525c4f3..302e97f4 100644
--- a/src/PhpSpreadsheet/Writer/PDF/DomPDF.php
+++ b/src/PhpSpreadsheet/Writer/PDF/DomPDF.php
@@ -59,15 +59,15 @@ class DomPDF extends Core implements \PhpSpreadsheet\Writer\IWriter
 
         //  Check for paper size and page orientation
         if (is_null($this->getSheetIndex())) {
-            $orientation = ($this->phpSpreadsheet->getSheet(0)->getPageSetup()->getOrientation()
+            $orientation = ($this->spreadsheet->getSheet(0)->getPageSetup()->getOrientation()
                 == \PhpSpreadsheet\Worksheet\PageSetup::ORIENTATION_LANDSCAPE) ? 'L' : 'P';
-            $printPaperSize = $this->phpSpreadsheet->getSheet(0)->getPageSetup()->getPaperSize();
-            $printMargins = $this->phpSpreadsheet->getSheet(0)->getPageMargins();
+            $printPaperSize = $this->spreadsheet->getSheet(0)->getPageSetup()->getPaperSize();
+            $printMargins = $this->spreadsheet->getSheet(0)->getPageMargins();
         } else {
-            $orientation = ($this->phpSpreadsheet->getSheet($this->getSheetIndex())->getPageSetup()->getOrientation()
+            $orientation = ($this->spreadsheet->getSheet($this->getSheetIndex())->getPageSetup()->getOrientation()
                 == \PhpSpreadsheet\Worksheet\PageSetup::ORIENTATION_LANDSCAPE) ? 'L' : 'P';
-            $printPaperSize = $this->phpSpreadsheet->getSheet($this->getSheetIndex())->getPageSetup()->getPaperSize();
-            $printMargins = $this->phpSpreadsheet->getSheet($this->getSheetIndex())->getPageMargins();
+            $printPaperSize = $this->spreadsheet->getSheet($this->getSheetIndex())->getPageSetup()->getPaperSize();
+            $printMargins = $this->spreadsheet->getSheet($this->getSheetIndex())->getPageMargins();
         }
 
         $orientation = ($orientation == 'L') ? 'landscape' : 'portrait';
diff --git a/src/PhpSpreadsheet/Writer/PDF/MPDF.php b/src/PhpSpreadsheet/Writer/PDF/MPDF.php
index fa377a95..a3c503c6 100644
--- a/src/PhpSpreadsheet/Writer/PDF/MPDF.php
+++ b/src/PhpSpreadsheet/Writer/PDF/MPDF.php
@@ -59,15 +59,15 @@ class MPDF extends Core implements \PhpSpreadsheet\Writer\IWriter
 
         //  Check for paper size and page orientation
         if (is_null($this->getSheetIndex())) {
-            $orientation = ($this->phpSpreadsheet->getSheet(0)->getPageSetup()->getOrientation()
+            $orientation = ($this->spreadsheet->getSheet(0)->getPageSetup()->getOrientation()
                 == \PhpSpreadsheet\Worksheet\PageSetup::ORIENTATION_LANDSCAPE) ? 'L' : 'P';
-            $printPaperSize = $this->phpSpreadsheet->getSheet(0)->getPageSetup()->getPaperSize();
-            $printMargins = $this->phpSpreadsheet->getSheet(0)->getPageMargins();
+            $printPaperSize = $this->spreadsheet->getSheet(0)->getPageSetup()->getPaperSize();
+            $printMargins = $this->spreadsheet->getSheet(0)->getPageMargins();
         } else {
-            $orientation = ($this->phpSpreadsheet->getSheet($this->getSheetIndex())->getPageSetup()->getOrientation()
+            $orientation = ($this->spreadsheet->getSheet($this->getSheetIndex())->getPageSetup()->getOrientation()
                 == \PhpSpreadsheet\Worksheet\PageSetup::ORIENTATION_LANDSCAPE) ? 'L' : 'P';
-            $printPaperSize = $this->phpSpreadsheet->getSheet($this->getSheetIndex())->getPageSetup()->getPaperSize();
-            $printMargins = $this->phpSpreadsheet->getSheet($this->getSheetIndex())->getPageMargins();
+            $printPaperSize = $this->spreadsheet->getSheet($this->getSheetIndex())->getPageSetup()->getPaperSize();
+            $printMargins = $this->spreadsheet->getSheet($this->getSheetIndex())->getPageMargins();
         }
         $this->setOrientation($orientation);
 
@@ -96,11 +96,11 @@ class MPDF extends Core implements \PhpSpreadsheet\Writer\IWriter
         $pdf->AddPage($orientation);
 
         //  Document info
-        $pdf->SetTitle($this->phpSpreadsheet->getProperties()->getTitle());
-        $pdf->SetAuthor($this->phpSpreadsheet->getProperties()->getCreator());
-        $pdf->SetSubject($this->phpSpreadsheet->getProperties()->getSubject());
-        $pdf->SetKeywords($this->phpSpreadsheet->getProperties()->getKeywords());
-        $pdf->SetCreator($this->phpSpreadsheet->getProperties()->getCreator());
+        $pdf->SetTitle($this->spreadsheet->getProperties()->getTitle());
+        $pdf->SetAuthor($this->spreadsheet->getProperties()->getCreator());
+        $pdf->SetSubject($this->spreadsheet->getProperties()->getSubject());
+        $pdf->SetKeywords($this->spreadsheet->getProperties()->getKeywords());
+        $pdf->SetCreator($this->spreadsheet->getProperties()->getCreator());
 
         $pdf->WriteHTML(
             $this->generateHTMLHeader(false) .
diff --git a/src/PhpSpreadsheet/Writer/PDF/TcPDF.php b/src/PhpSpreadsheet/Writer/PDF/TcPDF.php
index b8a3855f..d88d9077 100644
--- a/src/PhpSpreadsheet/Writer/PDF/TcPDF.php
+++ b/src/PhpSpreadsheet/Writer/PDF/TcPDF.php
@@ -60,15 +60,15 @@ class TcPDF extends Core implements \PhpSpreadsheet\Writer\IWriter
 
         //  Check for paper size and page orientation
         if (is_null($this->getSheetIndex())) {
-            $orientation = ($this->phpSpreadsheet->getSheet(0)->getPageSetup()->getOrientation()
+            $orientation = ($this->spreadsheet->getSheet(0)->getPageSetup()->getOrientation()
                 == \PhpSpreadsheet\Worksheet\PageSetup::ORIENTATION_LANDSCAPE) ? 'L' : 'P';
-            $printPaperSize = $this->phpSpreadsheet->getSheet(0)->getPageSetup()->getPaperSize();
-            $printMargins = $this->phpSpreadsheet->getSheet(0)->getPageMargins();
+            $printPaperSize = $this->spreadsheet->getSheet(0)->getPageSetup()->getPaperSize();
+            $printMargins = $this->spreadsheet->getSheet(0)->getPageMargins();
         } else {
-            $orientation = ($this->phpSpreadsheet->getSheet($this->getSheetIndex())->getPageSetup()->getOrientation()
+            $orientation = ($this->spreadsheet->getSheet($this->getSheetIndex())->getPageSetup()->getOrientation()
                 == \PhpSpreadsheet\Worksheet\PageSetup::ORIENTATION_LANDSCAPE) ? 'L' : 'P';
-            $printPaperSize = $this->phpSpreadsheet->getSheet($this->getSheetIndex())->getPageSetup()->getPaperSize();
-            $printMargins = $this->phpSpreadsheet->getSheet($this->getSheetIndex())->getPageMargins();
+            $printPaperSize = $this->spreadsheet->getSheet($this->getSheetIndex())->getPageSetup()->getPaperSize();
+            $printMargins = $this->spreadsheet->getSheet($this->getSheetIndex())->getPageMargins();
         }
 
         //  Override Page Orientation
@@ -107,11 +107,11 @@ class TcPDF extends Core implements \PhpSpreadsheet\Writer\IWriter
         );
 
         //  Document info
-        $pdf->SetTitle($this->phpSpreadsheet->getProperties()->getTitle());
-        $pdf->SetAuthor($this->phpSpreadsheet->getProperties()->getCreator());
-        $pdf->SetSubject($this->phpSpreadsheet->getProperties()->getSubject());
-        $pdf->SetKeywords($this->phpSpreadsheet->getProperties()->getKeywords());
-        $pdf->SetCreator($this->phpSpreadsheet->getProperties()->getCreator());
+        $pdf->SetTitle($this->spreadsheet->getProperties()->getTitle());
+        $pdf->SetAuthor($this->spreadsheet->getProperties()->getCreator());
+        $pdf->SetSubject($this->spreadsheet->getProperties()->getSubject());
+        $pdf->SetKeywords($this->spreadsheet->getProperties()->getKeywords());
+        $pdf->SetCreator($this->spreadsheet->getProperties()->getCreator());
 
         //  Write to file
         fwrite($fileHandle, $pdf->output($pFilename, 'S'));