From a4d7997356a46c522ec7bfb2cda428a67d745b40 Mon Sep 17 00:00:00 2001
From: MarkBaker <mark@lange.demon.co.uk>
Date: Thu, 30 Apr 2015 23:55:27 +0100
Subject: [PATCH 1/6] version function

---
 Classes/PHPExcel/Calculation/Functions.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Classes/PHPExcel/Calculation/Functions.php b/Classes/PHPExcel/Calculation/Functions.php
index 7f6240141..dea1503b8 100644
--- a/Classes/PHPExcel/Calculation/Functions.php
+++ b/Classes/PHPExcel/Calculation/Functions.php
@@ -496,7 +496,7 @@ public static function IS_NONTEXT($value = NULL) {
 	 * @return	string	Version information
 	 */
 	public static function VERSION() {
-		return 'PHPExcel ##VERSION##, ##DATE##';
+		return 'PHPExcel 1.8.1, 2015-04-30';
 	}	//	function VERSION()
 
 

From c9f2ee522bdddf443845bdedb8e77e3ff8799c6e Mon Sep 17 00:00:00 2001
From: MarkBaker <mark@lange.demon.co.uk>
Date: Fri, 1 May 2015 08:00:24 +0100
Subject: [PATCH 2/6] Abstract function
 PHPExcel_Worksheet_CellIterator::adjustForExistingOnlyRange() cannot contain
 body

---
 Classes/PHPExcel/Worksheet/CellIterator.php | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/Classes/PHPExcel/Worksheet/CellIterator.php b/Classes/PHPExcel/Worksheet/CellIterator.php
index 77c5d2e31..239cb4ff1 100644
--- a/Classes/PHPExcel/Worksheet/CellIterator.php
+++ b/Classes/PHPExcel/Worksheet/CellIterator.php
@@ -79,8 +79,7 @@ public function getIterateOnlyExistingCells() {
 	 *
      * @throws PHPExcel_Exception
 	 */
-    abstract protected function adjustForExistingOnlyRange() {
-    }
+    abstract protected function adjustForExistingOnlyRange();
 
 	/**
 	 * Set the iterator to loop only existing cells

From 0cdda0dc4288647832daf3d0cd8a5421e349f92f Mon Sep 17 00:00:00 2001
From: MarkBaker <mark@lange.demon.co.uk>
Date: Mon, 4 May 2015 23:34:36 +0100
Subject: [PATCH 3/6] Fix to case-sensitivity in getCell() method when using a
 worksheet!cell reference

---
 Classes/PHPExcel/Worksheet.php | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/Classes/PHPExcel/Worksheet.php b/Classes/PHPExcel/Worksheet.php
index 2b0b57ae4..909f52575 100644
--- a/Classes/PHPExcel/Worksheet.php
+++ b/Classes/PHPExcel/Worksheet.php
@@ -1152,7 +1152,6 @@ public function setCellValueExplicitByColumnAndRow($pColumn = 0, $pRow = 1, $pVa
      */
     public function getCell($pCoordinate = 'A1')
     {
-        $pCoordinate = strtoupper($pCoordinate);
         // Check cell collection
         if ($this->_cellCollection->isDataSet($pCoordinate)) {
             return $this->_cellCollection->getCacheData($pCoordinate);
@@ -1161,7 +1160,7 @@ public function getCell($pCoordinate = 'A1')
         // Worksheet reference?
         if (strpos($pCoordinate, '!') !== false) {
             $worksheetReference = PHPExcel_Worksheet::extractSheetTitle($pCoordinate, true);
-			return $this->_parent->getSheetByName($worksheetReference[0])->getCell($worksheetReference[1]);
+			return $this->_parent->getSheetByName($worksheetReference[0])->getCell(strtoupper($worksheetReference[1]));
         }
 
         // Named range?

From 8d3548adb09bf183747d7019b928faa92c159792 Mon Sep 17 00:00:00 2001
From: MarkBaker <mark@lange.demon.co.uk>
Date: Mon, 4 May 2015 23:40:44 +0100
Subject: [PATCH 4/6] New calculation example with cyclic formula

---
 Examples/13calculationCyclicFormulae.php | 97 ++++++++++++++++++++++++
 1 file changed, 97 insertions(+)
 create mode 100644 Examples/13calculationCyclicFormulae.php

diff --git a/Examples/13calculationCyclicFormulae.php b/Examples/13calculationCyclicFormulae.php
new file mode 100644
index 000000000..8512a3e85
--- /dev/null
+++ b/Examples/13calculationCyclicFormulae.php
@@ -0,0 +1,97 @@
+<?php
+/**
+ * PHPExcel
+ *
+ * Copyright (C) 2006 - 2014 PHPExcel
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * @category   PHPExcel
+ * @package    PHPExcel
+ * @copyright  Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)
+ * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt	LGPL
+ * @version    ##VERSION##, ##DATE##
+ */
+
+/** Error reporting */
+error_reporting(E_ALL);
+ini_set('display_errors', TRUE);
+ini_set('display_startup_errors', TRUE);
+date_default_timezone_set('Europe/London');
+
+define('EOL',(PHP_SAPI == 'cli') ? PHP_EOL : '<br />');
+
+date_default_timezone_set('Europe/London');
+
+/** Include PHPExcel */
+require_once dirname(__FILE__) . '/../Classes/PHPExcel.php';
+
+
+// Create new PHPExcel object
+echo date('H:i:s') , " Create new PHPExcel object" , EOL;
+$objPHPExcel = new PHPExcel();
+
+// Add some data, we will use some formulas here
+echo date('H:i:s') , " Add some data and formulas" , EOL;
+$objPHPExcel->getActiveSheet()->setCellValue('A1', '=B1')
+                              ->setCellValue('A2', '=B2+1')
+                              ->setCellValue('B1', '=A1+1')
+                              ->setCellValue('B2', '=A2');
+
+PHPExcel_Calculation::getInstance($objPHPExcel)->cyclicFormulaCount = 100;
+
+// Calculated data
+echo date('H:i:s') , " Calculated data" , EOL;
+for($row = 1; $row <= 2; ++$row) {
+    for ($col = 'A'; $col != 'C'; ++$col) {
+        if ((!is_null($formula = $objPHPExcel->getActiveSheet()->getCell($col.$row)->getValue())) &&
+			($formula[0] == '=')) {
+            echo 'Value of ' , $col , $row , ' [' , $formula , ']: ' ,
+                               $objPHPExcel->getActiveSheet()->getCell($col.$row)->getCalculatedValue() . EOL;
+        }
+    }
+}
+
+
+// Save Excel 2007 file
+echo date('H:i:s') , " Write to Excel2007 format" , EOL;
+$callStartTime = microtime(true);
+
+$objWriter = PHPExcel_IOFactory::createWriter($objPHPExcel, 'Excel2007');
+
+//
+//  If we set Pre Calculated Formulas to true then PHPExcel will calculate all formulae in the
+//    workbook before saving. This adds time and memory overhead, and can cause some problems with formulae
+//    using functions or features (such as array formulae) that aren't yet supported by the calculation engine
+//  If the value is false (the default) for the Excel2007 Writer, then MS Excel (or the application used to
+//    open the file) will need to recalculate values itself to guarantee that the correct results are available.
+//
+//$objWriter->setPreCalculateFormulas(true);
+$objWriter->save(str_replace('.php', '.xlsx', __FILE__));
+$callEndTime = microtime(true);
+$callTime = $callEndTime - $callStartTime;
+
+echo date('H:i:s') , " File written to " , str_replace('.php', '.xlsx', pathinfo(__FILE__, PATHINFO_BASENAME)) , EOL;
+echo 'Call time to write Workbook was ' , sprintf('%.4f',$callTime) , " seconds" , EOL;
+// Echo memory usage
+echo date('H:i:s') , ' Current memory usage: ' , (memory_get_usage(true) / 1024 / 1024) , " MB" , EOL;
+
+
+// Echo memory peak usage
+echo date('H:i:s') , " Peak memory usage: " , (memory_get_peak_usage(true) / 1024 / 1024) , " MB" , EOL;
+
+// Echo done
+echo date('H:i:s') , " Done writing file" , EOL;
+echo 'File has been created in ' , getcwd() , EOL;

From 049e85ae98a90869e1bc83087f755010e9223091 Mon Sep 17 00:00:00 2001
From: MarkBaker <mark@lange.demon.co.uk>
Date: Tue, 5 May 2015 01:10:25 +0100
Subject: [PATCH 5/6] Remove spurious setLineEnding() from csv example

---
 Examples/16csv.php | 2 --
 1 file changed, 2 deletions(-)

diff --git a/Examples/16csv.php b/Examples/16csv.php
index 71ebfd00d..ca3f28d70 100644
--- a/Examples/16csv.php
+++ b/Examples/16csv.php
@@ -46,7 +46,6 @@
 
 $objWriter = PHPExcel_IOFactory::createWriter($objPHPExcel, 'CSV')->setDelimiter(',')
                                                                   ->setEnclosure('"')
-                                                                  ->setLineEnding("\r\n")
                                                                   ->setSheetIndex(0)
                                                                   ->save(str_replace('.php', '.csv', __FILE__));
 $callEndTime = microtime(true);
@@ -61,7 +60,6 @@
 $callStartTime = microtime(true);
 $objReader = PHPExcel_IOFactory::createReader('CSV')->setDelimiter(',')
                                                     ->setEnclosure('"')
-                                                    ->setLineEnding("\r\n")
                                                     ->setSheetIndex(0);
 $objPHPExcelFromCSV = $objReader->load(str_replace('.php', '.csv', __FILE__));
 

From c193da78f7f6cbda00f7fba71e71a9c35d621231 Mon Sep 17 00:00:00 2001
From: Damien Seguy <damien.seguy@gmail.com>
Date: Tue, 19 May 2015 14:16:50 +0200
Subject: [PATCH 6/6] Remove concatenation

---
 Classes/PHPExcel/Chart/Renderer/jpgraph.php      |  2 +-
 .../Examples/Calculations/Database/DAVERAGE.php  |  8 ++++----
 .../Examples/Calculations/Database/DCOUNT.php    |  8 ++++----
 .../Examples/Calculations/Database/DGET.php      | 10 +++++-----
 .../Examples/Calculations/Database/DMAX.php      | 10 +++++-----
 .../Examples/Calculations/Database/DMIN.php      | 10 +++++-----
 .../Examples/Calculations/Database/DPRODUCT.php  | 10 +++++-----
 .../Examples/Calculations/Database/DSTDEV.php    |  8 ++++----
 .../Examples/Calculations/Database/DSTDEVP.php   |  8 ++++----
 .../Examples/Calculations/Database/DVAR.php      |  8 ++++----
 .../Examples/Calculations/Database/DVARP.php     |  8 ++++----
 Documentation/Examples/Calculations/index.php    |  2 +-
 Documentation/Examples/index.php                 |  2 +-
 Examples/10autofilter-selection-1.php            | 16 ++++++++--------
 Examples/10autofilter-selection-2.php            | 16 ++++++++--------
 Examples/10autofilter-selection-display.php      | 16 ++++++++--------
 Examples/10autofilter.php                        | 14 +++++++-------
 Examples/13calculation.php                       |  2 +-
 Examples/18extendedcalculation.php               | 14 +++++++-------
 Examples/26utf8.php                              | 10 +++++-----
 Examples/31docproperties_write-xls.php           |  4 ++--
 Examples/31docproperties_write.php               |  4 ++--
 Examples/40duplicateStyle.php                    |  2 +-
 Examples/Quadratic.php                           |  8 ++++----
 Examples/Quadratic2.php                          |  8 ++++----
 Examples/runall.php                              |  4 ++--
 unitTests/bootstrap.php                          |  2 +-
 27 files changed, 107 insertions(+), 107 deletions(-)

diff --git a/Classes/PHPExcel/Chart/Renderer/jpgraph.php b/Classes/PHPExcel/Chart/Renderer/jpgraph.php
index 99a0b97ad..0c6e8a7ae 100644
--- a/Classes/PHPExcel/Chart/Renderer/jpgraph.php
+++ b/Classes/PHPExcel/Chart/Renderer/jpgraph.php
@@ -833,7 +833,7 @@ public function render($outputDestination) {
 				$this->_renderStockChart($groupCount,$dimensions);
 				break;
 			default	:
-				echo $chartType.' is not yet implemented<br />';
+				echo $chartType,' is not yet implemented<br />';
 				return false;
 		}
 		$this->_renderLegend();
diff --git a/Documentation/Examples/Calculations/Database/DAVERAGE.php b/Documentation/Examples/Calculations/Database/DAVERAGE.php
index adf4636c5..efaaf66ee 100644
--- a/Documentation/Examples/Calculations/Database/DAVERAGE.php
+++ b/Documentation/Examples/Calculations/Database/DAVERAGE.php
@@ -73,16 +73,16 @@
 $criteriaData = $worksheet->rangeToArray('A1:B2',null,true,true,true);
 var_dump($criteriaData);
 
-echo $worksheet->getCell("A12")->getValue() .'<br />';
-echo 'DAVERAGE() Result is ' . $worksheet->getCell("B12")->getCalculatedValue() .'<br /><br />';
+echo $worksheet->getCell("A12")->getValue() ,'<br />';
+echo 'DAVERAGE() Result is ' , $worksheet->getCell("B12")->getCalculatedValue() ,'<br /><br />';
 
 echo '<h4>Criteria</h4>';
 
 $criteriaData = $worksheet->rangeToArray('A1:A3',null,true,true,true);
 var_dump($criteriaData);
 
-echo $worksheet->getCell("A13")->getValue() .'<br />';
-echo 'DAVERAGE() Result is ' . $worksheet->getCell("B13")->getCalculatedValue();
+echo $worksheet->getCell("A13")->getValue() ,'<br />';
+echo 'DAVERAGE() Result is ' , $worksheet->getCell("B13")->getCalculatedValue();
 
 
 ?>
diff --git a/Documentation/Examples/Calculations/Database/DCOUNT.php b/Documentation/Examples/Calculations/Database/DCOUNT.php
index ece2b1f30..679f2b2de 100644
--- a/Documentation/Examples/Calculations/Database/DCOUNT.php
+++ b/Documentation/Examples/Calculations/Database/DCOUNT.php
@@ -73,16 +73,16 @@
 $criteriaData = $worksheet->rangeToArray('A1:B2',null,true,true,true);
 var_dump($criteriaData);
 
-echo $worksheet->getCell("A12")->getValue() .'<br />';
-echo 'DCOUNT() Result is ' . $worksheet->getCell("B12")->getCalculatedValue() .'<br /><br />';
+echo $worksheet->getCell("A12")->getValue() ,'<br />';
+echo 'DCOUNT() Result is ' , $worksheet->getCell("B12")->getCalculatedValue() ,'<br /><br />';
 
 echo '<h4>Criteria</h4>';
 
 $criteriaData = $worksheet->rangeToArray('A1:A3',null,true,true,true);
 var_dump($criteriaData);
 
-echo $worksheet->getCell("A13")->getValue() .'<br />';
-echo 'DCOUNT() Result is ' . $worksheet->getCell("B13")->getCalculatedValue();
+echo $worksheet->getCell("A13")->getValue() ,'<br />';
+echo 'DCOUNT() Result is ' , $worksheet->getCell("B13")->getCalculatedValue();
 
 
 ?>
diff --git a/Documentation/Examples/Calculations/Database/DGET.php b/Documentation/Examples/Calculations/Database/DGET.php
index 51d7dd61b..ba117e6cd 100644
--- a/Documentation/Examples/Calculations/Database/DGET.php
+++ b/Documentation/Examples/Calculations/Database/DGET.php
@@ -67,18 +67,18 @@
 // Test the formulae
 echo '<h4>Criteria</h4>';
 
-echo 'ALL' . '<br /><br />';
+echo 'ALL' , '<br /><br />';
 
-echo $worksheet->getCell("A12")->getValue() .'<br />';
-echo 'DMAX() Result is ' . $worksheet->getCell("B12")->getCalculatedValue() .'<br /><br />';
+echo $worksheet->getCell("A12")->getValue() ,'<br />';
+echo 'DMAX() Result is ' , $worksheet->getCell("B12")->getCalculatedValue() ,'<br /><br />';
 
 echo '<h4>Criteria</h4>';
 
 $criteriaData = $worksheet->rangeToArray('A1:A2',null,true,true,true);
 var_dump($criteriaData);
 
-echo $worksheet->getCell("A13")->getValue() .'<br />';
-echo 'DMAX() Result is ' . $worksheet->getCell("B13")->getCalculatedValue();
+echo $worksheet->getCell("A13")->getValue() ,'<br />';
+echo 'DMAX() Result is ' , $worksheet->getCell("B13")->getCalculatedValue();
 
 
 ?>
diff --git a/Documentation/Examples/Calculations/Database/DMAX.php b/Documentation/Examples/Calculations/Database/DMAX.php
index 1a2d22a49..81c937522 100644
--- a/Documentation/Examples/Calculations/Database/DMAX.php
+++ b/Documentation/Examples/Calculations/Database/DMAX.php
@@ -70,18 +70,18 @@
 // Test the formulae
 echo '<h4>Criteria</h4>';
 
-echo 'ALL' . '<br /><br />';
+echo 'ALL' , '<br /><br />';
 
-echo $worksheet->getCell("A12")->getValue() .'<br />';
-echo 'DMAX() Result is ' . $worksheet->getCell("B12")->getCalculatedValue() .'<br /><br />';
+echo $worksheet->getCell("A12")->getValue() ,'<br />';
+echo 'DMAX() Result is ' , $worksheet->getCell("B12")->getCalculatedValue() ,'<br /><br />';
 
 echo '<h4>Criteria</h4>';
 
 $criteriaData = $worksheet->rangeToArray('A1:A2',null,true,true,true);
 var_dump($criteriaData);
 
-echo $worksheet->getCell("A13")->getValue() .'<br />';
-echo 'DMAX() Result is ' . $worksheet->getCell("B13")->getCalculatedValue();
+echo $worksheet->getCell("A13")->getValue() ,'<br />';
+echo 'DMAX() Result is ' , $worksheet->getCell("B13")->getCalculatedValue();
 
 
 ?>
diff --git a/Documentation/Examples/Calculations/Database/DMIN.php b/Documentation/Examples/Calculations/Database/DMIN.php
index d6f23a6a4..514c4138c 100644
--- a/Documentation/Examples/Calculations/Database/DMIN.php
+++ b/Documentation/Examples/Calculations/Database/DMIN.php
@@ -70,18 +70,18 @@
 // Test the formulae
 echo '<h4>Criteria</h4>';
 
-echo 'ALL' . '<br /><br />';
+echo 'ALL' , '<br /><br />';
 
-echo $worksheet->getCell("A12")->getValue() .'<br />';
-echo 'DMIN() Result is ' . $worksheet->getCell("B12")->getCalculatedValue() .'<br /><br />';
+echo $worksheet->getCell("A12")->getValue() ,'<br />';
+echo 'DMIN() Result is ' , $worksheet->getCell("B12")->getCalculatedValue() ,'<br /><br />';
 
 echo '<h4>Criteria</h4>';
 
 $criteriaData = $worksheet->rangeToArray('A1:A2',null,true,true,true);
 var_dump($criteriaData);
 
-echo $worksheet->getCell("A13")->getValue() .'<br />';
-echo 'DMIN() Result is ' . $worksheet->getCell("B13")->getCalculatedValue();
+echo $worksheet->getCell("A13")->getValue() ,'<br />';
+echo 'DMIN() Result is ' , $worksheet->getCell("B13")->getCalculatedValue();
 
 
 ?>
diff --git a/Documentation/Examples/Calculations/Database/DPRODUCT.php b/Documentation/Examples/Calculations/Database/DPRODUCT.php
index e5e629edb..e592888b0 100644
--- a/Documentation/Examples/Calculations/Database/DPRODUCT.php
+++ b/Documentation/Examples/Calculations/Database/DPRODUCT.php
@@ -68,18 +68,18 @@
 // Test the formulae
 echo '<h4>Criteria</h4>';
 
-echo 'ALL' . '<br /><br />';
+echo 'ALL' , '<br /><br />';
 
-echo $worksheet->getCell("A12")->getValue() .'<br />';
-echo 'DMAX() Result is ' . $worksheet->getCell("B12")->getCalculatedValue() .'<br /><br />';
+echo $worksheet->getCell("A12")->getValue() ,'<br />';
+echo 'DMAX() Result is ' , $worksheet->getCell("B12")->getCalculatedValue() ,'<br /><br />';
 
 echo '<h4>Criteria</h4>';
 
 $criteriaData = $worksheet->rangeToArray('A1:A2',null,true,true,true);
 var_dump($criteriaData);
 
-echo $worksheet->getCell("A13")->getValue() .'<br />';
-echo 'DMAX() Result is ' . $worksheet->getCell("B13")->getCalculatedValue();
+echo $worksheet->getCell("A13")->getValue() ,'<br />';
+echo 'DMAX() Result is ' , $worksheet->getCell("B13")->getCalculatedValue();
 
 
 ?>
diff --git a/Documentation/Examples/Calculations/Database/DSTDEV.php b/Documentation/Examples/Calculations/Database/DSTDEV.php
index c26df0e92..9ecc7547f 100644
--- a/Documentation/Examples/Calculations/Database/DSTDEV.php
+++ b/Documentation/Examples/Calculations/Database/DSTDEV.php
@@ -73,16 +73,16 @@
 $criteriaData = $worksheet->rangeToArray('A1:A3',null,true,true,true);
 var_dump($criteriaData);
 
-echo $worksheet->getCell("A12")->getValue() .'<br />';
-echo 'DSTDEV() Result is ' . $worksheet->getCell("B12")->getCalculatedValue() .'<br /><br />';
+echo $worksheet->getCell("A12")->getValue() ,'<br />';
+echo 'DSTDEV() Result is ' , $worksheet->getCell("B12")->getCalculatedValue() ,'<br /><br />';
 
 echo '<h4>Criteria</h4>';
 
 $criteriaData = $worksheet->rangeToArray('A1:A3',null,true,true,true);
 var_dump($criteriaData);
 
-echo $worksheet->getCell("A13")->getValue() .'<br />';
-echo 'DSTDEV() Result is ' . $worksheet->getCell("B13")->getCalculatedValue();
+echo $worksheet->getCell("A13")->getValue() ,'<br />';
+echo 'DSTDEV() Result is ' , $worksheet->getCell("B13")->getCalculatedValue();
 
 
 ?>
diff --git a/Documentation/Examples/Calculations/Database/DSTDEVP.php b/Documentation/Examples/Calculations/Database/DSTDEVP.php
index 9b353454d..e23cd2ad7 100644
--- a/Documentation/Examples/Calculations/Database/DSTDEVP.php
+++ b/Documentation/Examples/Calculations/Database/DSTDEVP.php
@@ -73,16 +73,16 @@
 $criteriaData = $worksheet->rangeToArray('A1:A3',null,true,true,true);
 var_dump($criteriaData);
 
-echo $worksheet->getCell("A12")->getValue() .'<br />';
-echo 'DSTDEVP() Result is ' . $worksheet->getCell("B12")->getCalculatedValue() .'<br /><br />';
+echo $worksheet->getCell("A12")->getValue() ,'<br />';
+echo 'DSTDEVP() Result is ' , $worksheet->getCell("B12")->getCalculatedValue() ,'<br /><br />';
 
 echo '<h4>Criteria</h4>';
 
 $criteriaData = $worksheet->rangeToArray('A1:A3',null,true,true,true);
 var_dump($criteriaData);
 
-echo $worksheet->getCell("A13")->getValue() .'<br />';
-echo 'DSTDEVP() Result is ' . $worksheet->getCell("B13")->getCalculatedValue();
+echo $worksheet->getCell("A13")->getValue() ,'<br />';
+echo 'DSTDEVP() Result is ' , $worksheet->getCell("B13")->getCalculatedValue();
 
 
 ?>
diff --git a/Documentation/Examples/Calculations/Database/DVAR.php b/Documentation/Examples/Calculations/Database/DVAR.php
index e425f776f..1b8db3ba2 100644
--- a/Documentation/Examples/Calculations/Database/DVAR.php
+++ b/Documentation/Examples/Calculations/Database/DVAR.php
@@ -73,16 +73,16 @@
 $criteriaData = $worksheet->rangeToArray('A1:A3',null,true,true,true);
 var_dump($criteriaData);
 
-echo $worksheet->getCell("A12")->getValue() .'<br />';
-echo 'DVAR() Result is ' . $worksheet->getCell("B12")->getCalculatedValue() .'<br /><br />';
+echo $worksheet->getCell("A12")->getValue() ,'<br />';
+echo 'DVAR() Result is ' , $worksheet->getCell("B12")->getCalculatedValue() ,'<br /><br />';
 
 echo '<h4>Criteria</h4>';
 
 $criteriaData = $worksheet->rangeToArray('A1:A3',null,true,true,true);
 var_dump($criteriaData);
 
-echo $worksheet->getCell("A13")->getValue() .'<br />';
-echo 'DVAR() Result is ' . $worksheet->getCell("B13")->getCalculatedValue();
+echo $worksheet->getCell("A13")->getValue() ,'<br />';
+echo 'DVAR() Result is ' , $worksheet->getCell("B13")->getCalculatedValue();
 
 
 ?>
diff --git a/Documentation/Examples/Calculations/Database/DVARP.php b/Documentation/Examples/Calculations/Database/DVARP.php
index e1cfc8e37..3874dec8d 100644
--- a/Documentation/Examples/Calculations/Database/DVARP.php
+++ b/Documentation/Examples/Calculations/Database/DVARP.php
@@ -73,16 +73,16 @@
 $criteriaData = $worksheet->rangeToArray('A1:A3',null,true,true,true);
 var_dump($criteriaData);
 
-echo $worksheet->getCell("A12")->getValue() .'<br />';
-echo 'DVARP() Result is ' . $worksheet->getCell("B12")->getCalculatedValue() .'<br /><br />';
+echo $worksheet->getCell("A12")->getValue() ,'<br />';
+echo 'DVARP() Result is ' , $worksheet->getCell("B12")->getCalculatedValue() ,'<br /><br />';
 
 echo '<h4>Criteria</h4>';
 
 $criteriaData = $worksheet->rangeToArray('A1:A3',null,true,true,true);
 var_dump($criteriaData);
 
-echo $worksheet->getCell("A13")->getValue() .'<br />';
-echo 'DVARP() Result is ' . $worksheet->getCell("B13")->getCalculatedValue();
+echo $worksheet->getCell("A13")->getValue() ,'<br />';
+echo 'DVARP() Result is ' , $worksheet->getCell("B13")->getCalculatedValue();
 
 
 ?>
diff --git a/Documentation/Examples/Calculations/index.php b/Documentation/Examples/Calculations/index.php
index f09055308..20b397f3e 100644
--- a/Documentation/Examples/Calculations/index.php
+++ b/Documentation/Examples/Calculations/index.php
@@ -23,7 +23,7 @@
 
 foreach($exampleTypeList as $exampleType) {
 
-	echo '<h2>' . pathinfo($exampleType,PATHINFO_BASENAME) . ' Function Examples</h2>';
+	echo '<h2>' , pathinfo($exampleType,PATHINFO_BASENAME) , ' Function Examples</h2>';
 
 	$exampleList = glob('./'.$exampleType.'/*.php');
 
diff --git a/Documentation/Examples/index.php b/Documentation/Examples/index.php
index f657a7ac6..1ca0e9ad5 100644
--- a/Documentation/Examples/index.php
+++ b/Documentation/Examples/index.php
@@ -21,7 +21,7 @@
 
 foreach($exampleTypeList as $exampleType) {
 
-	echo '<h1>PHPExcel ' . pathinfo($exampleType,PATHINFO_BASENAME) . ' Examples</h1>';
+	echo '<h1>PHPExcel ' , pathinfo($exampleType,PATHINFO_BASENAME) , ' Examples</h1>';
 
 	$exampleList = glob('./'.$exampleType.'/*.php');
 
diff --git a/Examples/10autofilter-selection-1.php b/Examples/10autofilter-selection-1.php
index 7542a5295..8dbae42c9 100644
--- a/Examples/10autofilter-selection-1.php
+++ b/Examples/10autofilter-selection-1.php
@@ -38,11 +38,11 @@
 
 
 // Create new PHPExcel object
-echo date('H:i:s').' Create new PHPExcel object'.EOL;
+echo date('H:i:s'),' Create new PHPExcel object',EOL;
 $objPHPExcel = new PHPExcel();
 
 // Set document properties
-echo date('H:i:s').' Set document properties'.EOL;
+echo date('H:i:s'),' Set document properties',EOL;
 $objPHPExcel->getProperties()->setCreator('Maarten Balliauw')
 							 ->setLastModifiedBy('Maarten Balliauw')
 							 ->setTitle('PHPExcel Test Document')
@@ -52,7 +52,7 @@
 							 ->setCategory('Test result file');
 
 // Create the worksheet
-echo date('H:i:s').' Add data'.EOL;
+echo date('H:i:s'),' Add data',EOL;
 $objPHPExcel->setActiveSheetIndex(0);
 $objPHPExcel->getActiveSheet()->setCellValue('A1', 'Financial Year')
                               ->setCellValue('B1', 'Financial Period')
@@ -111,7 +111,7 @@
 
 
 // Set styling
-echo date('H:i:s').' Set styling'.EOL;
+echo date('H:i:s'),' Set styling',EOL;
 $objPHPExcel->getActiveSheet()->getStyle('A1:F1')->getFont()->setBold(true);
 $objPHPExcel->getActiveSheet()->getStyle('A1:F1')->getAlignment()->setWrapText(TRUE);
 $objPHPExcel->getActiveSheet()->getColumnDimension('C')->setWidth(12.5);
@@ -124,7 +124,7 @@
 
 
 // Set autofilter range
-echo date('H:i:s').' Set autofilter range'.EOL;
+echo date('H:i:s'),' Set autofilter range',EOL;
 // Always include the complete filter range!
 // Excel does support setting only the caption
 // row, but that's not a best practise...
@@ -132,7 +132,7 @@
 
 // Set active filters
 $autoFilter = $objPHPExcel->getActiveSheet()->getAutoFilter();
-echo date('H:i:s').' Set active filters'.EOL;
+echo date('H:i:s'),' Set active filters',EOL;
 // Filter the Country column on a filter value of countries beginning with the letter U (or Japan)
 //     We use * as a wildcard, so specify as U* and using a wildcard requires customFilter
 $autoFilter->getColumn('C')
@@ -214,8 +214,8 @@
 
 
 // Echo memory peak usage
-echo date('H:i:s').' Peak memory usage: '.(memory_get_peak_usage(true) / 1024 / 1024).' MB'.EOL;
+echo date('H:i:s'),' Peak memory usage: ',(memory_get_peak_usage(true) / 1024 / 1024),' MB',EOL;
 
 // Echo done
-echo date('H:i:s').' Done writing files'.EOL;
+echo date('H:i:s'),' Done writing files',EOL;
 echo 'Files have been created in ' , getcwd() , EOL;
diff --git a/Examples/10autofilter-selection-2.php b/Examples/10autofilter-selection-2.php
index c89173f5c..a006f7a23 100644
--- a/Examples/10autofilter-selection-2.php
+++ b/Examples/10autofilter-selection-2.php
@@ -38,11 +38,11 @@
 
 
 // Create new PHPExcel object
-echo date('H:i:s').' Create new PHPExcel object'.EOL;
+echo date('H:i:s'),' Create new PHPExcel object',EOL;
 $objPHPExcel = new PHPExcel();
 
 // Set document properties
-echo date('H:i:s').' Set document properties'.EOL;
+echo date('H:i:s'),' Set document properties',EOL;
 $objPHPExcel->getProperties()->setCreator('Maarten Balliauw')
 							 ->setLastModifiedBy('Maarten Balliauw')
 							 ->setTitle('PHPExcel Test Document')
@@ -52,7 +52,7 @@
 							 ->setCategory('Test result file');
 
 // Create the worksheet
-echo date('H:i:s').' Add data'.EOL;
+echo date('H:i:s'),' Add data',EOL;
 $objPHPExcel->setActiveSheetIndex(0);
 $objPHPExcel->getActiveSheet()->setCellValue('A1', 'Financial Year')
                               ->setCellValue('B1', 'Financial Period')
@@ -111,7 +111,7 @@
 
 
 // Set styling
-echo date('H:i:s').' Set styling'.EOL;
+echo date('H:i:s'),' Set styling',EOL;
 $objPHPExcel->getActiveSheet()->getStyle('A1:F1')->getFont()->setBold(true);
 $objPHPExcel->getActiveSheet()->getStyle('A1:F1')->getAlignment()->setWrapText(TRUE);
 $objPHPExcel->getActiveSheet()->getColumnDimension('C')->setWidth(12.5);
@@ -124,7 +124,7 @@
 
 
 // Set autofilter range
-echo date('H:i:s').' Set autofilter range'.EOL;
+echo date('H:i:s'),' Set autofilter range',EOL;
 // Always include the complete filter range!
 // Excel does support setting only the caption
 // row, but that's not a best practise...
@@ -132,7 +132,7 @@
 
 // Set active filters
 $autoFilter = $objPHPExcel->getActiveSheet()->getAutoFilter();
-echo date('H:i:s').' Set active filters'.EOL;
+echo date('H:i:s'),' Set active filters',EOL;
 // Filter the Country column on a filter value of Germany
 //	As it's just a simple value filter, we can use FILTERTYPE_FILTER
 $autoFilter->getColumn('C')
@@ -206,8 +206,8 @@
 
 
 // Echo memory peak usage
-echo date('H:i:s').' Peak memory usage: '.(memory_get_peak_usage(true) / 1024 / 1024).' MB'.EOL;
+echo date('H:i:s'),' Peak memory usage: ',(memory_get_peak_usage(true) / 1024 / 1024),' MB',EOL;
 
 // Echo done
-echo date('H:i:s').' Done writing files'.EOL;
+echo date('H:i:s'),' Done writing files',EOL;
 echo 'Files have been created in ' , getcwd() , EOL;
diff --git a/Examples/10autofilter-selection-display.php b/Examples/10autofilter-selection-display.php
index cf2b8acfd..4e07d3cd6 100644
--- a/Examples/10autofilter-selection-display.php
+++ b/Examples/10autofilter-selection-display.php
@@ -38,11 +38,11 @@
 
 
 // Create new PHPExcel object
-echo date('H:i:s').' Create new PHPExcel object'.EOL;
+echo date('H:i:s'),' Create new PHPExcel object',EOL;
 $objPHPExcel = new PHPExcel();
 
 // Set document properties
-echo date('H:i:s').' Set document properties'.EOL;
+echo date('H:i:s'),' Set document properties',EOL;
 $objPHPExcel->getProperties()->setCreator('Maarten Balliauw')
 							 ->setLastModifiedBy('Maarten Balliauw')
 							 ->setTitle('PHPExcel Test Document')
@@ -52,7 +52,7 @@
 							 ->setCategory('Test result file');
 
 // Create the worksheet
-echo date('H:i:s').' Add data'.EOL;
+echo date('H:i:s'),' Add data',EOL;
 $objPHPExcel->setActiveSheetIndex(0);
 $objPHPExcel->getActiveSheet()->setCellValue('A1', 'Financial Year')
                               ->setCellValue('B1', 'Financial Period')
@@ -111,7 +111,7 @@
 
 
 // Set styling
-echo date('H:i:s').' Set styling'.EOL;
+echo date('H:i:s'),' Set styling',EOL;
 $objPHPExcel->getActiveSheet()->getStyle('A1:F1')->getFont()->setBold(true);
 $objPHPExcel->getActiveSheet()->getStyle('A1:F1')->getAlignment()->setWrapText(TRUE);
 $objPHPExcel->getActiveSheet()->getColumnDimension('C')->setWidth(12.5);
@@ -124,7 +124,7 @@
 
 
 // Set autofilter range
-echo date('H:i:s').' Set autofilter range'.EOL;
+echo date('H:i:s'),' Set autofilter range',EOL;
 // Always include the complete filter range!
 // Excel does support setting only the caption
 // row, but that's not a best practise...
@@ -132,7 +132,7 @@
 
 // Set active filters
 $autoFilter = $objPHPExcel->getActiveSheet()->getAutoFilter();
-echo date('H:i:s').' Set active filters'.EOL;
+echo date('H:i:s'),' Set active filters',EOL;
 // Filter the Country column on a filter value of countries beginning with the letter U (or Japan)
 //     We use * as a wildcard, so specify as U* and using a wildcard requires customFilter
 $autoFilter->getColumn('C')
@@ -179,7 +179,7 @@
 		);
 
 // Execute filtering
-echo date('H:i:s').' Execute filtering'.EOL;
+echo date('H:i:s'),' Execute filtering',EOL;
 $autoFilter->showHideRows();
 
 // Set active sheet index to the first sheet, so Excel opens this as the first sheet
@@ -187,7 +187,7 @@
 
 
 // Display Results of filtering
-echo date('H:i:s').' Display filtered rows'.EOL;
+echo date('H:i:s'),' Display filtered rows',EOL;
 foreach ($objPHPExcel->getActiveSheet()->getRowIterator() as $row) {
 	if ($objPHPExcel->getActiveSheet()->getRowDimension($row->getRowIndex())->getVisible()) {
 		echo '    Row number - ' , $row->getRowIndex() , ' ';
diff --git a/Examples/10autofilter.php b/Examples/10autofilter.php
index ea3f76343..6fd2bdbd8 100644
--- a/Examples/10autofilter.php
+++ b/Examples/10autofilter.php
@@ -38,11 +38,11 @@
 require_once dirname(__FILE__) . '/../Classes/PHPExcel.php';
 
 // Create new PHPExcel object
-echo date('H:i:s').' Create new PHPExcel object'.EOL;
+echo date('H:i:s'),' Create new PHPExcel object',EOL;
 $objPHPExcel = new PHPExcel();
 
 // Set document properties
-echo date('H:i:s').' Set document properties'.EOL;
+echo date('H:i:s'),' Set document properties',EOL;
 $objPHPExcel->getProperties()->setCreator('Maarten Balliauw')
 							 ->setLastModifiedBy('Maarten Balliauw')
 							 ->setTitle('PHPExcel Test Document')
@@ -52,7 +52,7 @@
 							 ->setCategory('Test result file');
 
 // Create the worksheet
-echo date('H:i:s').' Add data'.EOL;
+echo date('H:i:s'),' Add data',EOL;
 $objPHPExcel->setActiveSheetIndex(0);
 $objPHPExcel->getActiveSheet()->setCellValue('A1', 'Year')
                               ->setCellValue('B1', 'Quarter')
@@ -119,11 +119,11 @@
 $objPHPExcel->getActiveSheet()->fromArray($dataArray, NULL, 'A2');
 
 // Set title row bold
-echo date('H:i:s').' Set title row bold'.EOL;
+echo date('H:i:s'),' Set title row bold',EOL;
 $objPHPExcel->getActiveSheet()->getStyle('A1:D1')->getFont()->setBold(true);
 
 // Set autofilter
-echo date('H:i:s').' Set autofilter'.EOL;
+echo date('H:i:s'),' Set autofilter',EOL;
 // Always include the complete filter range!
 // Excel does support setting only the caption
 // row, but that's not a best practise...
@@ -164,8 +164,8 @@
 
 
 // Echo memory peak usage
-echo date('H:i:s').' Peak memory usage: '.(memory_get_peak_usage(true) / 1024 / 1024).' MB'.EOL;
+echo date('H:i:s'),' Peak memory usage: ',(memory_get_peak_usage(true) / 1024 / 1024),' MB',EOL;
 
 // Echo done
-echo date('H:i:s').' Done writing files'.EOL;
+echo date('H:i:s'),' Done writing files',EOL;
 echo 'Files have been created in ' , getcwd() , EOL;
diff --git a/Examples/13calculation.php b/Examples/13calculation.php
index 01e63ea77..22bd8f63b 100644
--- a/Examples/13calculation.php
+++ b/Examples/13calculation.php
@@ -197,7 +197,7 @@
         if ((!is_null($formula = $objPHPExcel->getActiveSheet()->getCell($col.$row)->getValue())) &&
 			($formula[0] == '=')) {
             echo 'Value of ' , $col , $row , ' [' , $formula , ']: ' ,
-                               $objPHPExcel->getActiveSheet()->getCell($col.$row)->getCalculatedValue() . EOL;
+                               $objPHPExcel->getActiveSheet()->getCell($col.$row)->getCalculatedValue() , EOL;
         }
     }
 }
diff --git a/Examples/18extendedcalculation.php b/Examples/18extendedcalculation.php
index 3c6fcb492..13e27e7ce 100644
--- a/Examples/18extendedcalculation.php
+++ b/Examples/18extendedcalculation.php
@@ -40,16 +40,16 @@
 
 
 // List functions
-echo date('H:i:s') . " List implemented functions\n";
+echo date('H:i:s') , " List implemented functions\n";
 $objCalc = PHPExcel_Calculation::getInstance();
 print_r($objCalc->listFunctionNames());
 
 // Create new PHPExcel object
-echo date('H:i:s') . " Create new PHPExcel object\n";
+echo date('H:i:s') , " Create new PHPExcel object\n";
 $objPHPExcel = new PHPExcel();
 
 // Add some data, we will use some formulas here
-echo date('H:i:s') . " Add some data\n";
+echo date('H:i:s') , " Add some data\n";
 $objPHPExcel->getActiveSheet()->setCellValue('A14', 'Count:');
 
 $objPHPExcel->getActiveSheet()->setCellValue('B1', 'Range 1');
@@ -97,12 +97,12 @@
 $objPHPExcel->getActiveSheet()->setCellValue('F14', '=COUNT(B2:C12)');
 
 // Calculated data
-echo date('H:i:s') . " Calculated data\n";
-echo 'Value of B14 [=COUNT(B2:B12)]: ' . $objPHPExcel->getActiveSheet()->getCell('B14')->getCalculatedValue() . "\r\n";
+echo date('H:i:s') , " Calculated data\n";
+echo 'Value of B14 [=COUNT(B2:B12)]: ' , $objPHPExcel->getActiveSheet()->getCell('B14')->getCalculatedValue() , "\r\n";
 
 
 // Echo memory peak usage
-echo date('H:i:s') . " Peak memory usage: " . (memory_get_peak_usage(true) / 1024 / 1024) . " MB\r\n";
+echo date('H:i:s') , " Peak memory usage: " , (memory_get_peak_usage(true) / 1024 / 1024) , " MB\r\n";
 
 // Echo done
-echo date('H:i:s') . " Done" , EOL;
+echo date('H:i:s') , " Done" , EOL;
diff --git a/Examples/26utf8.php b/Examples/26utf8.php
index ad0b40059..ea9e5f2c9 100644
--- a/Examples/26utf8.php
+++ b/Examples/26utf8.php
@@ -81,12 +81,12 @@
 		$rendererName,
 		$rendererLibraryPath
 	)) {
-		echo (
-			'NOTICE: Please set the $rendererName and $rendererLibraryPath values' .
-			EOL .
-			'at the top of this script as appropriate for your directory structure' .
+		echo  
+			'NOTICE: Please set the $rendererName and $rendererLibraryPath values' ,
+			EOL ,
+			'at the top of this script as appropriate for your directory structure' ,
 			EOL
-		);
+		 ;
 	} else {
 		$objWriter = PHPExcel_IOFactory::createWriter($objPHPExcel, 'PDF');
 		$objWriter->save(str_replace('.php', '.pdf', __FILE__));
diff --git a/Examples/31docproperties_write-xls.php b/Examples/31docproperties_write-xls.php
index cbb9aa352..0f28ef40d 100644
--- a/Examples/31docproperties_write-xls.php
+++ b/Examples/31docproperties_write-xls.php
@@ -70,7 +70,7 @@
 
 
 // Echo memory peak usage
-echo date('H:i:s') , " Peak memory usage: " . (memory_get_peak_usage(true) / 1024 / 1024) . " MB" , EOL;
+echo date('H:i:s') , " Peak memory usage: " , (memory_get_peak_usage(true) / 1024 / 1024) , " MB" , EOL;
 
 
 echo EOL;
@@ -116,4 +116,4 @@
 }
 
 // Echo memory peak usage
-echo date('H:i:s') , " Peak memory usage: " , (memory_get_peak_usage(true) / 1024 / 1024) . " MB" , EOL;
+echo date('H:i:s') , " Peak memory usage: " , (memory_get_peak_usage(true) / 1024 / 1024) , " MB" , EOL;
diff --git a/Examples/31docproperties_write.php b/Examples/31docproperties_write.php
index 1b01f6fe0..e1a0f32f4 100644
--- a/Examples/31docproperties_write.php
+++ b/Examples/31docproperties_write.php
@@ -70,7 +70,7 @@
 
 
 // Echo memory peak usage
-echo date('H:i:s') , " Peak memory usage: " . (memory_get_peak_usage(true) / 1024 / 1024) . " MB" , EOL;
+echo date('H:i:s') , " Peak memory usage: " , (memory_get_peak_usage(true) / 1024 / 1024) , " MB" , EOL;
 
 
 echo EOL;
@@ -116,4 +116,4 @@
 }
 
 // Echo memory peak usage
-echo date('H:i:s') , " Peak memory usage: " , (memory_get_peak_usage(true) / 1024 / 1024) . " MB" , EOL;
+echo date('H:i:s') , " Peak memory usage: " , (memory_get_peak_usage(true) / 1024 / 1024) , " MB" , EOL;
diff --git a/Examples/40duplicateStyle.php b/Examples/40duplicateStyle.php
index be31951a4..407df717a 100644
--- a/Examples/40duplicateStyle.php
+++ b/Examples/40duplicateStyle.php
@@ -36,7 +36,7 @@
     }
 }
 $d = microtime(true) - $t;
-echo date('H:i:s') , " Add data (end), time: " . round($d, 2) . " s", EOL;
+echo date('H:i:s') , " Add data (end), time: " , round($d, 2) , " s", EOL;
 
 
 echo date('H:i:s') , " Write to Excel2007 format" , EOL;
diff --git a/Examples/Quadratic.php b/Examples/Quadratic.php
index 11a712e5d..f1c4757cd 100644
--- a/Examples/Quadratic.php
+++ b/Examples/Quadratic.php
@@ -52,13 +52,13 @@
 		echo '<hr /><b>Roots:</b><br />';
 
 		$callStartTime = microtime(true);
-		echo $objPHPExcel->getActiveSheet()->getCell('B5')->getCalculatedValue().'<br />';
-		echo $objPHPExcel->getActiveSheet()->getCell('B6')->getCalculatedValue().'<br />';
+		echo $objPHPExcel->getActiveSheet()->getCell('B5')->getCalculatedValue(),'<br />';
+		echo $objPHPExcel->getActiveSheet()->getCell('B6')->getCalculatedValue(),'<br />';
 		$callEndTime = microtime(true);
 		$callTime = $callEndTime - $callStartTime;
 
-		echo '<hr />Call time for Quadratic Equation Solution was '.sprintf('%.4f',$callTime).' seconds<br /><hr />';
-		echo ' Peak memory usage: '.(memory_get_peak_usage(true) / 1024 / 1024).' MB<br />';
+		echo '<hr />Call time for Quadratic Equation Solution was ',sprintf('%.4f',$callTime),' seconds<br /><hr />';
+		echo ' Peak memory usage: ',(memory_get_peak_usage(true) / 1024 / 1024),' MB<br />';
 	}
 }
 
diff --git a/Examples/Quadratic2.php b/Examples/Quadratic2.php
index 5f6013eab..ec73e0416 100644
--- a/Examples/Quadratic2.php
+++ b/Examples/Quadratic2.php
@@ -49,13 +49,13 @@
 		$r1Formula = '=IMDIV(IMSUM(-'.$_POST['B'].',IMSQRT('.$discriminant.')),2 * '.$_POST['A'].')';
 		$r2Formula = '=IF('.$discriminant.'=0,"Only one root",IMDIV(IMSUB(-'.$_POST['B'].',IMSQRT('.$discriminant.')),2 * '.$_POST['A'].'))';
 
-		echo PHPExcel_Calculation::getInstance()->calculateFormula($r1Formula).'<br />';
-		echo PHPExcel_Calculation::getInstance()->calculateFormula($r2Formula).'<br />';
+		echo PHPExcel_Calculation::getInstance()->calculateFormula($r1Formula),'<br />';
+		echo PHPExcel_Calculation::getInstance()->calculateFormula($r2Formula),'<br />';
 		$callEndTime = microtime(true);
 		$callTime = $callEndTime - $callStartTime;
 
-		echo '<hr />Call time for Quadratic Equation Solution was '.sprintf('%.4f',$callTime).' seconds<br /><hr />';
-		echo ' Peak memory usage: '.(memory_get_peak_usage(true) / 1024 / 1024).' MB<br />';
+		echo '<hr />Call time for Quadratic Equation Solution was ',sprintf('%.4f',$callTime),' seconds<br /><hr />';
+		echo ' Peak memory usage: ',(memory_get_peak_usage(true) / 1024 / 1024),' MB<br />';
 	}
 }
 
diff --git a/Examples/runall.php b/Examples/runall.php
index b2af1ccd0..500fae8e5 100644
--- a/Examples/runall.php
+++ b/Examples/runall.php
@@ -121,8 +121,8 @@
 
 // Run all tests
 foreach ($aTests as $sTest) {
-	echo '============== TEST ==============' . "\r\n";
-	echo 'Test name: ' . $sTest . "\r\n";
+	echo '============== TEST ==============' , "\r\n";
+	echo 'Test name: ' , $sTest , "\r\n";
 	echo "\r\n";
 	echo shell_exec('php ' . $sTest);
 	echo "\r\n";
diff --git a/unitTests/bootstrap.php b/unitTests/bootstrap.php
index 8e8cdb39a..a421b6a50 100644
--- a/unitTests/bootstrap.php
+++ b/unitTests/bootstrap.php
@@ -45,5 +45,5 @@
 	echo "Xdebug extension loaded and running\n";
 	xdebug_enable();
 } else {
-	echo 'Xdebug not found, you should run the following at the command line: echo "zend_extension=/usr/lib64/php/modules/xdebug.so" > /etc/php.d/xdebug.ini' . "\n";
+	echo 'Xdebug not found, you should run the following at the command line: echo "zend_extension=/usr/lib64/php/modules/xdebug.so" > /etc/php.d/xdebug.ini' , "\n";
 }