From: Roland Häder <roland@mxchange.org>
Date: Fri, 13 Mar 2009 20:01:36 +0000 (+0000)
Subject: All empty double-quoted strings replaced with single-quotes
X-Git-Url: https://git.mxchange.org/?p=core.git;a=commitdiff_plain;h=3107989f93cfb5808ce9d75f1c7d2b7ee3d83d18

All empty double-quoted strings replaced with single-quotes
---

diff --git a/inc/classes.php b/inc/classes.php
index b139dcfd..49867957 100644
--- a/inc/classes.php
+++ b/inc/classes.php
@@ -23,10 +23,10 @@
 
 // Lower framework classes
 $lowerClasses = array(
-	0 => "exceptions", // Exceptions
-	1 => "interfaces", // Interfaces
-	2 => "main",       // General main classes
-	3 => "middleware"  // The middleware
+	0 => 'exceptions', // Exceptions
+	1 => 'interfaces', // Interfaces
+	2 => 'main',       // General main classes
+	3 => 'middleware'  // The middleware
 );
 
 // Load all classes
diff --git a/inc/classes/exceptions/class_FrameworkException.php b/inc/classes/exceptions/class_FrameworkException.php
index a1bd5693..4c1c73a9 100644
--- a/inc/classes/exceptions/class_FrameworkException.php
+++ b/inc/classes/exceptions/class_FrameworkException.php
@@ -32,7 +32,7 @@ abstract class FrameworkException extends ReflectionException {
 	/**
 	 * Extra data
 	 */
-	private $extraData = "";
+	private $extraData = '';
 
 	/**
 	 * The super constructor for all exceptions
@@ -118,7 +118,7 @@ abstract class FrameworkException extends ReflectionException {
 			// Are there arguments?
 			if ((isset($dbgInfo['args'])) && (is_array($dbgInfo['args'])) && (isset($dbgInfo['args'][0]))) {
 				//* DEBUG: */ echo $dbgIndex.": <pre>".htmlentities(print_r($dbgInfo['args'], true))."</pre>";
-				$info = "";
+				$info = '';
 				foreach ($dbgInfo['args'] as $debug) {
 					// Add only non-array elements
 					if (!is_array($debug)) {
diff --git a/inc/classes/exceptions/main/class_MissingArrayElementsException.php b/inc/classes/exceptions/main/class_MissingArrayElementsException.php
index c7900ca0..e1f388c2 100644
--- a/inc/classes/exceptions/main/class_MissingArrayElementsException.php
+++ b/inc/classes/exceptions/main/class_MissingArrayElementsException.php
@@ -31,7 +31,7 @@ class MissingArrayElementsException extends FrameworkException {
 	 */
 	public function __construct (array $classArray, $code) {
 		// Extract all elements
-		$elements = "";
+		$elements = '';
 		if ((isset($classArray[2])) && (is_array($classArray[2]))) {
 			// Convert into strings
 			$elements = implode("</u>, <u>", $classArray[2]);
diff --git a/inc/classes/interfaces/crypto/class_Cryptable.php b/inc/classes/interfaces/crypto/class_Cryptable.php
index fec45d92..91d73227 100644
--- a/inc/classes/interfaces/crypto/class_Cryptable.php
+++ b/inc/classes/interfaces/crypto/class_Cryptable.php
@@ -32,7 +32,7 @@ interface Cryptable extends FrameworkInterface {
 	 * @param	$oldHash	A hash from previous hashed string
 	 * @return	$hashed		The hashed and salted string
 	 */
-	function hashString ($str, $oldHash = "");
+	function hashString ($str, $oldHash = '');
 
 	/**
 	 * Encrypt the string with fixed salt
diff --git a/inc/classes/main/class_BaseFrameworkSystem.php b/inc/classes/main/class_BaseFrameworkSystem.php
index e635ab55..38f9f594 100644
--- a/inc/classes/main/class_BaseFrameworkSystem.php
+++ b/inc/classes/main/class_BaseFrameworkSystem.php
@@ -221,7 +221,7 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface {
 	 */
 	public final function __call ($methodName, $args) {
 		// Implode all given arguments
-		$argsString = "";
+		$argsString = '';
 		if (empty($args)) {
 			// No arguments
 			$argsString = "NULL";
@@ -772,12 +772,12 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface {
 	 * @param	$message	Optional message to show in debug output
 	 * @return	void
 	 */
-	public final function debugInstance ($message = "") {
+	public final function debugInstance ($message = '') {
 		// Restore the error handler to avoid trouble with missing array elements or undeclared variables
 		restore_error_handler();
 
 		// Init content
-		$content = "";
+		$content = '';
 
 		// Is a message set?
 		if (!empty($message)) {
@@ -808,7 +808,7 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface {
 	 * @param	$message	An optional message to display
 	 * @return	void
 	 */
-	protected function partialStub ($message = "") {
+	protected function partialStub ($message = '') {
 		// Get the backtrace
 		$backtrace = debug_backtrace();
 
@@ -887,7 +887,7 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface {
 	 */
 	public function convertToClassName ($str) {
 		// Init class name
-		$className = "";
+		$className = '';
 
 		// Convert all dashes in underscores
 		$str = str_replace("-", "_", $str);
@@ -910,7 +910,7 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface {
 	 */
 	public function markupCode ($phpCode) {
 		// Init marked code
-		$markedCode = "";
+		$markedCode = '';
 
 		// Get last error
 		$errorArray = error_get_last();
diff --git a/inc/classes/main/class_FrameworkArrayObject.php b/inc/classes/main/class_FrameworkArrayObject.php
index 199904ff..5b54d8cb 100644
--- a/inc/classes/main/class_FrameworkArrayObject.php
+++ b/inc/classes/main/class_FrameworkArrayObject.php
@@ -27,7 +27,7 @@ class FrameworkArrayObject extends ArrayObject {
 	/**
 	 * Real class name
 	 */
-	private $realClass = "";
+	private $realClass = '';
 
 	/**
 	 * Public constructor for setting real class name
diff --git a/inc/classes/main/commands/class_BaseCommand.php b/inc/classes/main/commands/class_BaseCommand.php
index 902caacb..9b923888 100644
--- a/inc/classes/main/commands/class_BaseCommand.php
+++ b/inc/classes/main/commands/class_BaseCommand.php
@@ -25,7 +25,7 @@ class BaseCommand extends BaseFrameworkSystem {
 	/**
 	 * The controller we need for this command
 	 */
-	private $controllerName = "";
+	private $controllerName = '';
 
 	/**
 	 * Protected constructor
diff --git a/inc/classes/main/commands/web/class_WebLoginAreaCommand.php b/inc/classes/main/commands/web/class_WebLoginAreaCommand.php
index e581a6cb..7531fa1f 100644
--- a/inc/classes/main/commands/web/class_WebLoginAreaCommand.php
+++ b/inc/classes/main/commands/web/class_WebLoginAreaCommand.php
@@ -25,7 +25,7 @@ class WebLoginAreaCommand extends BaseCommand implements Commandable {
 	/**
 	 * Name of the action
 	 */
-	private $actionName = "";
+	private $actionName = '';
 
 	/**
 	 * Protected constructor
diff --git a/inc/classes/main/criteria/class_BaseCriteria.php b/inc/classes/main/criteria/class_BaseCriteria.php
index 2e299e8b..7fc785a7 100644
--- a/inc/classes/main/criteria/class_BaseCriteria.php
+++ b/inc/classes/main/criteria/class_BaseCriteria.php
@@ -25,7 +25,7 @@ class BaseCriteria extends BaseFrameworkSystem {
 	/**
 	 * Wrapper class name stored in config entry
 	 */
-	private $wrapperConfigEntry = "";
+	private $wrapperConfigEntry = '';
 
 	/**
 	 * Protected constructor
diff --git a/inc/classes/main/criteria/dataset/class_DataSetCriteria.php b/inc/classes/main/criteria/dataset/class_DataSetCriteria.php
index 94248cf0..42f3d787 100644
--- a/inc/classes/main/criteria/dataset/class_DataSetCriteria.php
+++ b/inc/classes/main/criteria/dataset/class_DataSetCriteria.php
@@ -26,7 +26,7 @@ class DataSetCriteria extends BaseCriteria implements StoreableCriteria {
 	/**
 	 * Table name
 	 */
-	private $tableName = "";
+	private $tableName = '';
 
 	/**
 	 * Table columns (criteria) to store
@@ -36,12 +36,12 @@ class DataSetCriteria extends BaseCriteria implements StoreableCriteria {
 	/**
 	 * Unique key
 	 */
-	private $uniqueKey = "";
+	private $uniqueKey = '';
 
 	/**
 	 * Primary key
 	 */
-	private $primaryKey = "";
+	private $primaryKey = '';
 
 	/**
 	 * Protected constructor
diff --git a/inc/classes/main/criteria/search/class_SearchCriteria.php b/inc/classes/main/criteria/search/class_SearchCriteria.php
index 546efe85..31f8cbd6 100644
--- a/inc/classes/main/criteria/search/class_SearchCriteria.php
+++ b/inc/classes/main/criteria/search/class_SearchCriteria.php
@@ -133,7 +133,7 @@ class SearchCriteria extends BaseCriteria implements LocalSearchCriteria {
 	 */
 	public function getCacheKey () {
 		// Initialize the key
-		$cacheKey = "";
+		$cacheKey = '';
 
 		// Now walk through all criterias
 		foreach ($this->searchCriteria as $criteriaKey => $criteriaValue) {
diff --git a/inc/classes/main/crypto/class_CryptoHelper.php b/inc/classes/main/crypto/class_CryptoHelper.php
index c99a85d0..bc1c191f 100644
--- a/inc/classes/main/crypto/class_CryptoHelper.php
+++ b/inc/classes/main/crypto/class_CryptoHelper.php
@@ -39,7 +39,7 @@ class CryptoHelper extends BaseFrameworkSystem implements Cryptable {
 	/**
 	 * Salt for hashing operations
 	 */
-	private $salt = "";
+	private $salt = '';
 
 	/**
 	 * Protected constructor
@@ -126,7 +126,7 @@ class CryptoHelper extends BaseFrameworkSystem implements Cryptable {
 	 * @param	$oldHash	A hash from previous hashed string
 	 * @return	$hashed		The hashed and salted string
 	 */
-	public function hashString ($str, $oldHash = "") {
+	public function hashString ($str, $oldHash = '') {
 		// Cast the string
 		$str = (string) $str;
 
diff --git a/inc/classes/main/database/databases/class_LocalFileDatabase.php b/inc/classes/main/database/databases/class_LocalFileDatabase.php
index 8187f96e..2e284430 100644
--- a/inc/classes/main/database/databases/class_LocalFileDatabase.php
+++ b/inc/classes/main/database/databases/class_LocalFileDatabase.php
@@ -33,7 +33,7 @@ class LocalFileDatabase extends BaseDatabaseFrontend implements DatabaseFrontend
 	/**
 	 * Save path for "file database"
 	 */
-	private $savePath = "";
+	private $savePath = '';
 
 	/**
 	 * The file's extension
@@ -43,7 +43,7 @@ class LocalFileDatabase extends BaseDatabaseFrontend implements DatabaseFrontend
 	/**
 	 * The last read file's name
 	 */
-	private $lastFile = "";
+	private $lastFile = '';
 
 	/**
 	 * The last read file's content including header information
@@ -58,7 +58,7 @@ class LocalFileDatabase extends BaseDatabaseFrontend implements DatabaseFrontend
 	/**
 	 * Last error message
 	 */
-	private $lastError = "";
+	private $lastError = '';
 
 	/**
 	 * Last exception
@@ -173,7 +173,7 @@ class LocalFileDatabase extends BaseDatabaseFrontend implements DatabaseFrontend
 	 * @return	void
 	 */
 	private final function resetLastError () {
-		$this->lastError = "";
+		$this->lastError = '';
 		$this->lastException = null;
 	}
 
diff --git a/inc/classes/main/debug/class_DebugWebOutput.php b/inc/classes/main/debug/class_DebugWebOutput.php
index e34be082..7406574d 100644
--- a/inc/classes/main/debug/class_DebugWebOutput.php
+++ b/inc/classes/main/debug/class_DebugWebOutput.php
@@ -53,7 +53,7 @@ class DebugWebOutput extends BaseFrameworkSystem implements Debugger, OutputStre
 	 */
 	public final function outputStream ($output) {
 		// Strip out <br />
-		$output = str_replace("<br />", "", $output);
+		$output = str_replace("<br />", '', $output);
 		print(stripslashes($output)."<br />\n");
 	}
 
diff --git a/inc/classes/main/discovery/class_BaseDiscovery.php b/inc/classes/main/discovery/class_BaseDiscovery.php
index 956d0cf5..fdbd1e25 100644
--- a/inc/classes/main/discovery/class_BaseDiscovery.php
+++ b/inc/classes/main/discovery/class_BaseDiscovery.php
@@ -25,7 +25,7 @@ class BaseDiscovery extends BaseFrameworkSystem {
 	/**
 	 * Action name for payment discovery
 	 */
-	private $actionName = "";
+	private $actionName = '';
 
 	/**
 	 * Protected constructor
diff --git a/inc/classes/main/filter/auth/class_UserAuthFilter.php b/inc/classes/main/filter/auth/class_UserAuthFilter.php
index 7f42bf84..aedda957 100644
--- a/inc/classes/main/filter/auth/class_UserAuthFilter.php
+++ b/inc/classes/main/filter/auth/class_UserAuthFilter.php
@@ -28,7 +28,7 @@ class UserAuthFilter extends BaseFilter implements Filterable {
 	/**
 	 * The login method we shall choose
 	 */
-	private $authMethod = "";
+	private $authMethod = '';
 
 	/**
 	 * Protected constructor
diff --git a/inc/classes/main/filter/payment/class_PaymentDiscoveryFilter.php b/inc/classes/main/filter/payment/class_PaymentDiscoveryFilter.php
index 38891e5e..62b5418b 100644
--- a/inc/classes/main/filter/payment/class_PaymentDiscoveryFilter.php
+++ b/inc/classes/main/filter/payment/class_PaymentDiscoveryFilter.php
@@ -27,7 +27,7 @@ class PaymentDiscoveryFilter extends BaseFilter implements Filterable {
 	/**
 	 * Action name for payment discovery
 	 */
-	private $actionName = "";
+	private $actionName = '';
 
 	/**
 	 * Protected constructor
diff --git a/inc/classes/main/filter/update/class_UserStatusConfimedUpdateFilter.php b/inc/classes/main/filter/update/class_UserStatusConfimedUpdateFilter.php
index 3e38be47..29cb8a1e 100644
--- a/inc/classes/main/filter/update/class_UserStatusConfimedUpdateFilter.php
+++ b/inc/classes/main/filter/update/class_UserStatusConfimedUpdateFilter.php
@@ -63,7 +63,7 @@ class UserStatusConfimedUpdateFilter extends BaseFilter implements Filterable {
 		$userInstance->updateDatabaseField(UserDatabaseWrapper::DB_COLUMN_USER_STATUS, $confirmed);
 
 		// Wipe out the confirm hash for extra security
-		$userInstance->updateDatabaseField(UserDatabaseWrapper::DB_COLUMN_CONFIRM_HASH, "");
+		$userInstance->updateDatabaseField(UserDatabaseWrapper::DB_COLUMN_CONFIRM_HASH, '');
 
 		// Write all updates to the database
 		$userInstance->flushPendingUpdates();
diff --git a/inc/classes/main/helper/captcha/images/class_ImageHelper.php b/inc/classes/main/helper/captcha/images/class_ImageHelper.php
index f67e4547..df762505 100644
--- a/inc/classes/main/helper/captcha/images/class_ImageHelper.php
+++ b/inc/classes/main/helper/captcha/images/class_ImageHelper.php
@@ -30,7 +30,7 @@ class ImageHelper extends BaseCaptcha implements HelpableTemplate {
 	/**
 	 * The image name
 	 */
-	private $imageName = "";
+	private $imageName = '';
 
 	/**
 	 * Width of the image in pixel
@@ -68,7 +68,7 @@ class ImageHelper extends BaseCaptcha implements HelpableTemplate {
 	/**
 	 * Current string name
 	 */
-	private $currString = "";
+	private $currString = '';
 
 	/**
 	 * Protected constructor
@@ -257,10 +257,10 @@ class ImageHelper extends BaseCaptcha implements HelpableTemplate {
 	public function addTextLine ($stringName) {
 		// Create the image string
 		$this->imageStrings[$stringName] = array(
-			'x'      => "",
-			'y'      => "",
-			'size'   => "",
-			'string' => ""
+			'x'      => '',
+			'y'      => '',
+			'size'   => '',
+			'string' => ''
 		);
 
 		// Set current string name
diff --git a/inc/classes/main/helper/captcha/web/class_GraphicalCodeCaptcha.php b/inc/classes/main/helper/captcha/web/class_GraphicalCodeCaptcha.php
index e028dcd5..edfd2310 100644
--- a/inc/classes/main/helper/captcha/web/class_GraphicalCodeCaptcha.php
+++ b/inc/classes/main/helper/captcha/web/class_GraphicalCodeCaptcha.php
@@ -25,12 +25,12 @@ class GraphicalCodeCaptcha extends BaseCaptcha implements SolveableCaptcha {
 	/**
 	 * Hash of the CAPTCHA string
 	 */
-	private $hashedString = "";
+	private $hashedString = '';
 
 	/**
 	 * Encrypted string
 	 */
-	private $encryptedString = "";
+	private $encryptedString = '';
 
 	/**
 	 * Protected constructor
diff --git a/inc/classes/main/helper/class_BaseHelper.php b/inc/classes/main/helper/class_BaseHelper.php
index 6c7c82d5..c651872c 100644
--- a/inc/classes/main/helper/class_BaseHelper.php
+++ b/inc/classes/main/helper/class_BaseHelper.php
@@ -30,7 +30,7 @@ class BaseHelper extends BaseFrameworkSystem {
 	/**
 	 * Rendered content created by the helper class
 	 */
-	private $content = "";
+	private $content = '';
 
 	/**
 	 * Array with groups
@@ -45,12 +45,12 @@ class BaseHelper extends BaseFrameworkSystem {
 	/**
 	 * Previously opened group
 	 */
-	private $previousGroupId = "";
+	private $previousGroupId = '';
 
 	/**
 	 * Previously opened sub group
 	 */
-	private $previousSubGroupId = "";
+	private $previousSubGroupId = '';
 
 	/**
 	 * Total counter for groups and sub groups
@@ -259,7 +259,7 @@ class BaseHelper extends BaseFrameworkSystem {
 	 * @return	void
 	 * @throws	HelperNoPreviousOpenedGroupException	If no previously opened group was found
 	 */
-	public function closePreviousGroupByContent ($content = "") {
+	public function closePreviousGroupByContent ($content = '') {
 		// Check if any sub group was opened before
 		if ($this->ifSubGroupOpenedPreviously()) {
 			// Close it automatically
@@ -286,7 +286,7 @@ class BaseHelper extends BaseFrameworkSystem {
 		$this->groups[$groupId]['opened'] = false;
 
 		// Mark previous group as closed
-		$this->setPreviousGroupId("");
+		$this->setPreviousGroupId('');
 		//* DEBUG: */ echo "CLOSE:groupId={$groupId}<br />\n";
 	}
 
@@ -330,7 +330,7 @@ class BaseHelper extends BaseFrameworkSystem {
 	 * @return	void
 	 * @throws	HelperNoPreviousOpenedSubGroupException	If no previously opened sub group was found
 	 */
-	public function closePreviousSubGroupByContent ($content = "") {
+	public function closePreviousSubGroupByContent ($content = '') {
 		// Check if any sub group was opened before
 		if ($this->ifSubGroupOpenedPreviously() === false) {
 			// Then throw an exception
@@ -351,7 +351,7 @@ class BaseHelper extends BaseFrameworkSystem {
 		$this->subGroups[$subGroupId]['opened'] = false;
 
 		// Mark previous sub group as closed
-		$this->setPreviousSubGroupId("");
+		$this->setPreviousSubGroupId('');
 		//* DEBUG: */ echo "CLOSE:subGroupId={$subGroupId}<br />\n";
 	}
 
@@ -362,7 +362,7 @@ class BaseHelper extends BaseFrameworkSystem {
 	 */
 	public function renderContent () {
 		// Initialize content
-		$content = "";
+		$content = '';
 
 		// Is header content there?
 		if (isset($this->groups['header'])) {
diff --git a/inc/classes/main/helper/web/blocks/class_WebBlockHelper.php b/inc/classes/main/helper/web/blocks/class_WebBlockHelper.php
index 85da820a..bcdeb5ff 100644
--- a/inc/classes/main/helper/web/blocks/class_WebBlockHelper.php
+++ b/inc/classes/main/helper/web/blocks/class_WebBlockHelper.php
@@ -25,7 +25,7 @@ class WebBlockHelper extends BaseWebHelper implements HelpableTemplate {
 	/**
 	 * Name of the block
 	 */
-	private $blockName = "";
+	private $blockName = '';
 
 	/**
 	 * Protected constructor
diff --git a/inc/classes/main/helper/web/forms/class_WebFormHelper.php b/inc/classes/main/helper/web/forms/class_WebFormHelper.php
index 2fd68cc1..b816c337 100644
--- a/inc/classes/main/helper/web/forms/class_WebFormHelper.php
+++ b/inc/classes/main/helper/web/forms/class_WebFormHelper.php
@@ -31,7 +31,7 @@ class WebFormHelper extends BaseWebHelper implements HelpableTemplate {
 	/**
 	 * Name of the form
 	 */
-	private $formName = "";
+	private $formName = '';
 
 	/**
 	 * Wether form tag is enabled (default: true)
@@ -114,7 +114,7 @@ class WebFormHelper extends BaseWebHelper implements HelpableTemplate {
 		// Check wether we shall open or close the form
 		if (($this->formOpened === false) && ($this->formEnabled === true)) {
 			// Add HTML code
-			$formContent = sprintf("<form name=\"%s\" class=\"forms\" action=\"%s/%s\" method=\"%s\" target=\"%s\"",
+			$formContent = sprintf("<form name=\"%s\" class=\"forms\" action=\"%s/%s\" method=\"%s\" target=\"%s\'',
 				$formName,
 				$this->getConfigInstance()->readConfig('base_url'),
 				$this->getConfigInstance()->readConfig('form_action'),
@@ -123,7 +123,7 @@ class WebFormHelper extends BaseWebHelper implements HelpableTemplate {
 			);
 
 			// Add form id as well
-			$formContent .= sprintf(" id=\"%s_form\"",
+			$formContent .= sprintf(" id=\"%s_form\'',
 				$formId
 			);
 
@@ -162,7 +162,7 @@ class WebFormHelper extends BaseWebHelper implements HelpableTemplate {
 	 * @return	void
 	 * @throws	FormClosedException		If the form is not yet opened
 	 */
-	public function addInputTextField ($fieldName, $fieldValue = "") {
+	public function addInputTextField ($fieldName, $fieldValue = '') {
 		// Is the form opened?
 		if (($this->formOpened === false) && ($this->formEnabled === true)) {
 			// Throw an exception
@@ -204,7 +204,7 @@ class WebFormHelper extends BaseWebHelper implements HelpableTemplate {
 	 * @return	void
 	 * @throws	FormClosedException		If the form is not yet opened
 	 */
-	public function addInputPasswordField ($fieldName, $fieldValue = "") {
+	public function addInputPasswordField ($fieldName, $fieldValue = '') {
 		// Is the form opened?
 		if (($this->formOpened === false) && ($this->formEnabled === true)) {
 			// Throw an exception
@@ -231,7 +231,7 @@ class WebFormHelper extends BaseWebHelper implements HelpableTemplate {
 	 * @return	void
 	 * @throws	FormClosedException		If the form is not yet opened
 	 */
-	public function addInputHiddenField ($fieldName, $fieldValue = "") {
+	public function addInputHiddenField ($fieldName, $fieldValue = '') {
 		// Is the form opened?
 		if (($this->formOpened === false) && ($this->formEnabled === true)) {
 			// Throw an exception
@@ -296,7 +296,7 @@ class WebFormHelper extends BaseWebHelper implements HelpableTemplate {
 		} // END - if
 
 		// Set wether the check box is checked...
-		$checked = " checked=\"checked\"";
+		$checked = " checked=\"checked\'';
 		if ($fieldChecked === false) $checked = " ";
 
 		// Generate the content
@@ -370,7 +370,7 @@ class WebFormHelper extends BaseWebHelper implements HelpableTemplate {
 	 * @throws	FormClosedException		If no form has been opened before
 	 * @throws	EmptyVariableException	If $groupId is not set
 	 */
-	public function addFormGroup ($groupId = "", $groupText = "") {
+	public function addFormGroup ($groupId = '', $groupText = '') {
 		// Is a form opened?
 		if (($this->formOpened === false) && ($this->formEnabled === true)) {
 			// Throw exception here
@@ -445,7 +445,7 @@ class WebFormHelper extends BaseWebHelper implements HelpableTemplate {
 	 * @throws	FormFormClosedException		If no group has been opened before
 	 * @throws	EmptyVariableException		If $subGroupId is not set
 	 */
-	public function addFormSubGroup ($subGroupId = "", $subGroupText = "") {
+	public function addFormSubGroup ($subGroupId = '', $subGroupText = '') {
 		// Is a group opened?
 		if ($this->ifGroupOpenedPreviously() === false) {
 			// Throw exception here
diff --git a/inc/classes/main/helper/web/links/class_WebLinkHelper.php b/inc/classes/main/helper/web/links/class_WebLinkHelper.php
index c7981044..83b806d8 100644
--- a/inc/classes/main/helper/web/links/class_WebLinkHelper.php
+++ b/inc/classes/main/helper/web/links/class_WebLinkHelper.php
@@ -25,12 +25,12 @@ class WebLinkHelper extends BaseWebHelper implements HelpableTemplate {
 	/**
 	 * Name of the link
 	 */
-	private $linkName = "";
+	private $linkName = '';
 
 	/**
 	 * Base of the link
 	 */
-	private $linkBase = "";
+	private $linkBase = '';
 
 	/**
 	 * Protected constructor
@@ -64,7 +64,7 @@ class WebLinkHelper extends BaseWebHelper implements HelpableTemplate {
 		$helperInstance->setLinkBase($linkBase);
 
 		// Add default group
-		$helperInstance->openGroupByIdContent('main', "", "");
+		$helperInstance->openGroupByIdContent('main', '', '');
 
 		// Return the prepared instance
 		return $helperInstance;
@@ -79,7 +79,7 @@ class WebLinkHelper extends BaseWebHelper implements HelpableTemplate {
 	 * @param	$extraContent	Optional extra HTML content
 	 * @return	$linkContent	Rendered text link content
 	 */
-	private function renderLinkContentWithTextExtraContent ($linkText, $linkTitle, $extraContent="") {
+	private function renderLinkContentWithTextExtraContent ($linkText, $linkTitle, $extraContent='') {
 		// Construct link content
 		$linkContent = sprintf("<a href=\"%s%s\" title=\"%s\">%s</a>",
 			$this->getLinkBase(),
@@ -140,7 +140,7 @@ class WebLinkHelper extends BaseWebHelper implements HelpableTemplate {
 		// Is a previous opened group still open?
 		if ($this->ifGroupOpenedPreviously()) {
 			// Then close it
-			$this->closePreviousGroupByContent("");
+			$this->closePreviousGroupByContent('');
 		} // END - if
 
 		// Get the content
@@ -166,7 +166,7 @@ class WebLinkHelper extends BaseWebHelper implements HelpableTemplate {
 		// Is a group with that name open?
 		if ($this->ifGroupOpenedPreviously()) {
 			// Then close it here
-			$this->closePreviousGroupByContent("");
+			$this->closePreviousGroupByContent('');
 		} // END - if
 
 		// Generate the group content
diff --git a/inc/classes/main/images/class_BaseImage.php b/inc/classes/main/images/class_BaseImage.php
index 0e7b00dd..86d7ab94 100644
--- a/inc/classes/main/images/class_BaseImage.php
+++ b/inc/classes/main/images/class_BaseImage.php
@@ -25,40 +25,40 @@ class BaseImage extends BaseFrameworkSystem implements Registerable {
 	/**
 	 * Image type
 	 */
-	private $imageType = "";
+	private $imageType = '';
 
 	/**
 	 * Width of the image
 	 */
-	private $width = "";
+	private $width = '';
 
 	/**
 	 * Height of the image
 	 */
-	private $height = "";
+	private $height = '';
 
 	/**
 	 * Background color in RGB
 	 */
 	private $backgroundColor = array(
-		'red'   => "",
-		'green' => "",
-		'blue'  => ""
+		'red'   => '',
+		'green' => '',
+		'blue'  => ''
 	);
 
 	/**
 	 * Foreground color in RGB
 	 */
 	private $foregroundColor = array(
-		'red'   => "",
-		'green' => "",
-		'blue'  => ""
+		'red'   => '',
+		'green' => '',
+		'blue'  => ''
 	);
 
 	/**
 	 * Current choosen color array
 	 */
-	private $colorMode = "";
+	private $colorMode = '';
 
 	/**
 	 * Image resource
@@ -68,12 +68,12 @@ class BaseImage extends BaseFrameworkSystem implements Registerable {
 	/**
 	 * Image name
 	 */
-	private $imageName = "";
+	private $imageName = '';
 
 	/**
 	 * String name
 	 */
-	private $stringName = "";
+	private $stringName = '';
 
 	/**
 	 * Groupable image strings?
diff --git a/inc/classes/main/io/class_FileIoStream.php b/inc/classes/main/io/class_FileIoStream.php
index 0eff6c5a..b4a85480 100644
--- a/inc/classes/main/io/class_FileIoStream.php
+++ b/inc/classes/main/io/class_FileIoStream.php
@@ -58,7 +58,7 @@ class FileIoStream extends BaseFrameworkSystem implements FileInputStreamer, Fil
 	 */
 	public final function saveFile ($fileName, $dataArray) {
 		// Try it five times
-		$dirName = ""; $fileInstance = null;
+		$dirName = ''; $fileInstance = null;
 		for ($idx = 0; $idx < 5; $idx++) {
 			// Get a file output pointer
 			try {
@@ -114,11 +114,11 @@ class FileIoStream extends BaseFrameworkSystem implements FileInputStreamer, Fil
 	 */
 	public final function loadFileContents ($fqfn) {
 		// Initialize some variables and arrays
-		$inputBuffer = "";
-		$lastBuffer = "";
+		$inputBuffer = '';
+		$lastBuffer = '';
 		$header = array();
 		$data = array();
-		$readData = ""; // This will contain our read data
+		$readData = ''; // This will contain our read data
 
 		// Get a file input handler
 		$fileInstance = FrameworkFileInputPointer::createFrameworkFileInputPointer($fqfn);
diff --git a/inc/classes/main/io/class_FrameworkDirectoryPointer.php b/inc/classes/main/io/class_FrameworkDirectoryPointer.php
index 3f076b6a..e0a0c4e5 100644
--- a/inc/classes/main/io/class_FrameworkDirectoryPointer.php
+++ b/inc/classes/main/io/class_FrameworkDirectoryPointer.php
@@ -25,7 +25,7 @@ class FrameworkDirectoryPointer extends BaseFrameworkSystem {
 	/**
 	 * The current path we are working in
 	 */
-	private $pathName = "";
+	private $pathName = '';
 
 	/**
 	 * The directory pointer
@@ -153,7 +153,7 @@ class FrameworkDirectoryPointer extends BaseFrameworkSystem {
 	 * @return	string	Directory and/or file names read from the current
 	 *					directory pointer
 	 */
-	public function readDirectoryExcept ($except = "") {
+	public function readDirectoryExcept ($except = '') {
 		if ((empty($except)) || (!is_array($except)) || (count($except) == 0)) {
 			// No exception given, so read all data
 			return $this->readRawDirectory();
@@ -185,7 +185,7 @@ class FrameworkDirectoryPointer extends BaseFrameworkSystem {
 		// Close the directory pointer and reset the instance variable
 		@closedir($this->getPointer());
 		$this->setPointer(null);
-		$this->setPathName("");
+		$this->setPathName('');
 	}
 
 	/**
diff --git a/inc/classes/main/io/class_FrameworkFileInputPointer.php b/inc/classes/main/io/class_FrameworkFileInputPointer.php
index ad16db1f..8098d604 100644
--- a/inc/classes/main/io/class_FrameworkFileInputPointer.php
+++ b/inc/classes/main/io/class_FrameworkFileInputPointer.php
@@ -25,7 +25,7 @@ class FrameworkFileInputPointer extends BaseFrameworkSystem {
 	/**
 	 * The current file we are working in
 	 */
-	private $fileName = "";
+	private $fileName = '';
 
 	/**
 	 * The file pointer
@@ -168,7 +168,7 @@ class FrameworkFileInputPointer extends BaseFrameworkSystem {
 		// Close the file pointer and reset the instance variable
 		@fclose($this->getPointer());
 		$this->setPointer(null);
-		$this->setFileName("");
+		$this->setFileName('');
 	}
 
 	/**
diff --git a/inc/classes/main/io/class_FrameworkFileOutputPointer.php b/inc/classes/main/io/class_FrameworkFileOutputPointer.php
index 6c555bdf..0506adde 100644
--- a/inc/classes/main/io/class_FrameworkFileOutputPointer.php
+++ b/inc/classes/main/io/class_FrameworkFileOutputPointer.php
@@ -25,7 +25,7 @@ class FrameworkFileOutputPointer extends BaseFrameworkSystem {
 	/**
 	 * The current file we are working in
 	 */
-	private $fileName = "";
+	private $fileName = '';
 
 	/**
 	 * The file pointer
@@ -138,7 +138,7 @@ class FrameworkFileOutputPointer extends BaseFrameworkSystem {
 		// Close the file pointer and reset the instance variable
 		@fclose($this->getPointer());
 		$this->setPointer(null);
-		$this->setFileName("");
+		$this->setFileName('');
 	}
 
 	/**
diff --git a/inc/classes/main/language/class_LanguageSystem.php b/inc/classes/main/language/class_LanguageSystem.php
index aec00f20..c1d66e4f 100644
--- a/inc/classes/main/language/class_LanguageSystem.php
+++ b/inc/classes/main/language/class_LanguageSystem.php
@@ -26,7 +26,7 @@ class LanguageSystem extends BaseFrameworkSystem implements ManageableLanguage,
 	/**
 	 * The full-qualified base path for the language include files
 	 */
-	private $basePath = "";
+	private $basePath = '';
 
 	/**
 	 * The 2-char language code
diff --git a/inc/classes/main/mailer/class_BaseMailer.php b/inc/classes/main/mailer/class_BaseMailer.php
index 895ae2b5..a22fe55b 100644
--- a/inc/classes/main/mailer/class_BaseMailer.php
+++ b/inc/classes/main/mailer/class_BaseMailer.php
@@ -30,7 +30,7 @@ class BaseMailer extends BaseFrameworkSystem {
 	/**
 	 * Template name
 	 */
-	private $templateName = "";
+	private $templateName = '';
 
 	/**
 	 * Protected constructor
diff --git a/inc/classes/main/output/class_ConsoleOutput.php b/inc/classes/main/output/class_ConsoleOutput.php
index 0e78c8a2..b0df4fef 100644
--- a/inc/classes/main/output/class_ConsoleOutput.php
+++ b/inc/classes/main/output/class_ConsoleOutput.php
@@ -91,7 +91,7 @@ class ConsoleOutput extends BaseFrameworkSystem implements OutputStreamer {
 		if ($outStream === false) {
 			// Output something here...
 			foreach ($this->vars as $var => $value) {
-				$this->output("var=".$var.", value=".$value."");
+				$this->output("var=".$var.", value=".$value.'');
 			}
 		} else {
 			// Output it to the console
diff --git a/inc/classes/main/resolver/action/class_BaseActionResolver.php b/inc/classes/main/resolver/action/class_BaseActionResolver.php
index 6f4cbd83..5d4738b9 100644
--- a/inc/classes/main/resolver/action/class_BaseActionResolver.php
+++ b/inc/classes/main/resolver/action/class_BaseActionResolver.php
@@ -25,12 +25,12 @@ class BaseActionResolver extends BaseResolver {
 	/**
 	 * Prefix for local, remote or other resolver
 	 */
-	private $actionPrefix = "";
+	private $actionPrefix = '';
 
 	/**
 	 * Validated action name
 	 */
-	private $actionName = "";
+	private $actionName = '';
 
 	/**
 	 * Protected constructor
diff --git a/inc/classes/main/resolver/action/web/class_WebActionResolver.php b/inc/classes/main/resolver/action/web/class_WebActionResolver.php
index c30644a3..dc6e4d81 100644
--- a/inc/classes/main/resolver/action/web/class_WebActionResolver.php
+++ b/inc/classes/main/resolver/action/web/class_WebActionResolver.php
@@ -25,7 +25,7 @@ class WebActionResolver extends BaseActionResolver implements ActionResolver {
 	/**
 	 * Last successfull resolved action
 	 */
-	private $lastActionInstance = "";
+	private $lastActionInstance = '';
 
 	/**
 	 * Protected constructor
@@ -82,7 +82,7 @@ class WebActionResolver extends BaseActionResolver implements ActionResolver {
 	 */
 	public function resolveActionByRequest (Requestable $requestInstance) {
 		// Init variables
-		$actionName = "";
+		$actionName = '';
 		$actionInstance = null;
 
 		// This goes fine so let's resolv the action
diff --git a/inc/classes/main/resolver/class_BaseResolver.php b/inc/classes/main/resolver/class_BaseResolver.php
index b3c36208..cc840d4f 100644
--- a/inc/classes/main/resolver/class_BaseResolver.php
+++ b/inc/classes/main/resolver/class_BaseResolver.php
@@ -25,7 +25,7 @@ class BaseResolver extends BaseFrameworkSystem {
 	/**
 	 * Class name
 	 */
-	private $className = "";
+	private $className = '';
 
 	// Exception constants
 	const EXCEPTION_INVALID_COMMAND    = 0x1d0;
diff --git a/inc/classes/main/resolver/command/class_BaseCommandResolver.php b/inc/classes/main/resolver/command/class_BaseCommandResolver.php
index 8f924ad1..fc662c3a 100644
--- a/inc/classes/main/resolver/command/class_BaseCommandResolver.php
+++ b/inc/classes/main/resolver/command/class_BaseCommandResolver.php
@@ -25,12 +25,12 @@ class BaseCommandResolver extends BaseResolver {
 	/**
 	 * Prefix for local, remote or other resolver
 	 */
-	private $commandPrefix = "";
+	private $commandPrefix = '';
 
 	/**
 	 * Validated command name
 	 */
-	private $commandName = "";
+	private $commandName = '';
 
 	/**
 	 * Protected constructor
diff --git a/inc/classes/main/resolver/command/image/class_ImageCommandResolver.php b/inc/classes/main/resolver/command/image/class_ImageCommandResolver.php
index 1924e49a..d70e25c0 100644
--- a/inc/classes/main/resolver/command/image/class_ImageCommandResolver.php
+++ b/inc/classes/main/resolver/command/image/class_ImageCommandResolver.php
@@ -82,7 +82,7 @@ class ImageCommandResolver extends BaseCommandResolver implements CommandResolve
 	 */
 	public function resolveCommandByRequest (Requestable $requestInstance) {
 		// Init variables
-		$commandName = "";
+		$commandName = '';
 		$commandInstance = null;
 
 		// This goes fine so let's resolv the command
diff --git a/inc/classes/main/resolver/command/web/class_WebCommandResolver.php b/inc/classes/main/resolver/command/web/class_WebCommandResolver.php
index ffcd7027..f61f0cdd 100644
--- a/inc/classes/main/resolver/command/web/class_WebCommandResolver.php
+++ b/inc/classes/main/resolver/command/web/class_WebCommandResolver.php
@@ -82,7 +82,7 @@ class WebCommandResolver extends BaseCommandResolver implements CommandResolver
 	 */
 	public function resolveCommandByRequest (Requestable $requestInstance) {
 		// Init variables
-		$commandName = "";
+		$commandName = '';
 		$commandInstance = null;
 
 		// This goes fine so let's resolv the command
diff --git a/inc/classes/main/resolver/controller/class_BaseControllerResolver.php b/inc/classes/main/resolver/controller/class_BaseControllerResolver.php
index f324ec6d..6295df90 100644
--- a/inc/classes/main/resolver/controller/class_BaseControllerResolver.php
+++ b/inc/classes/main/resolver/controller/class_BaseControllerResolver.php
@@ -25,12 +25,12 @@ class BaseControllerResolver extends BaseResolver {
 	/**
 	 * Prefix for local, remote or other resolver
 	 */
-	private $controllerPrefix = "";
+	private $controllerPrefix = '';
 
 	/**
 	 * Validated controller name
 	 */
-	private $controllerName = "";
+	private $controllerName = '';
 
 	/**
 	 * Protected constructor
diff --git a/inc/classes/main/resolver/controller/image/class_ImageControllerResolver.php b/inc/classes/main/resolver/controller/image/class_ImageControllerResolver.php
index e6fdf592..dc664e87 100644
--- a/inc/classes/main/resolver/controller/image/class_ImageControllerResolver.php
+++ b/inc/classes/main/resolver/controller/image/class_ImageControllerResolver.php
@@ -25,7 +25,7 @@ class ImageControllerResolver extends BaseControllerResolver implements Controll
 	/**
 	 * Last successfull resolved controller (name)
 	 */
-	private $lastControllerName = "";
+	private $lastControllerName = '';
 
 	/**
 	 * Last successfull resolved controller (instance)
@@ -87,7 +87,7 @@ class ImageControllerResolver extends BaseControllerResolver implements Controll
 	 */
 	public function resolveController () {
 		// Init variables
-		$controllerName = "";
+		$controllerName = '';
 		$controllerInstance = null;
 
 		// Get the command name 
diff --git a/inc/classes/main/resolver/controller/web/class_WebControllerResolver.php b/inc/classes/main/resolver/controller/web/class_WebControllerResolver.php
index 7c7e58ce..06ba1118 100644
--- a/inc/classes/main/resolver/controller/web/class_WebControllerResolver.php
+++ b/inc/classes/main/resolver/controller/web/class_WebControllerResolver.php
@@ -25,7 +25,7 @@ class WebControllerResolver extends BaseControllerResolver implements Controller
 	/**
 	 * Last successfull resolved controller (name)
 	 */
-	private $lastControllerName = "";
+	private $lastControllerName = '';
 
 	/**
 	 * Last successfull resolved controller (instance)
@@ -87,7 +87,7 @@ class WebControllerResolver extends BaseControllerResolver implements Controller
 	 */
 	public function resolveController () {
 		// Init variables
-		$controllerName = "";
+		$controllerName = '';
 		$controllerInstance = null;
 
 		// Get the command name 
@@ -152,7 +152,7 @@ class WebControllerResolver extends BaseControllerResolver implements Controller
 		} // END - if
 
 		// Set default resolver config name
-		$resolverConfigEntry = "";
+		$resolverConfigEntry = '';
 
 		// Try to read a config entry for our resolver including controller name... ;-)
 		try {
diff --git a/inc/classes/main/response/class_BaseResponse.php b/inc/classes/main/response/class_BaseResponse.php
index 48aa79f9..7e40ce77 100644
--- a/inc/classes/main/response/class_BaseResponse.php
+++ b/inc/classes/main/response/class_BaseResponse.php
@@ -43,7 +43,7 @@ class BaseResponse extends BaseFrameworkSystem {
 	/**
 	 * Body of the response
 	 */
-	private $responseBody = "";
+	private $responseBody = '';
 
 	/**
 	 * Instance of the template engine
@@ -202,7 +202,7 @@ class BaseResponse extends BaseFrameworkSystem {
 		}
 
 		// Clear response header and body
-		$this->setResponseBody("");
+		$this->setResponseBody('');
 		$this->resetResponseHeaders();
 	}
 }
diff --git a/inc/classes/main/response/http/class_HttpResponse.php b/inc/classes/main/response/http/class_HttpResponse.php
index 3cde5516..19a453bb 100644
--- a/inc/classes/main/response/http/class_HttpResponse.php
+++ b/inc/classes/main/response/http/class_HttpResponse.php
@@ -156,7 +156,7 @@ class HttpResponse extends BaseResponse implements Responseable {
 		$this->setResponseStatus("301 Moved Permanently");
 
 		// Clear the body
-		$this->setResponseBody("");
+		$this->setResponseBody('');
 
 		// Flush the result
 		$this->flushBuffer();
@@ -175,7 +175,7 @@ class HttpResponse extends BaseResponse implements Responseable {
 		// Is the cookie there?
 		if (isset($_COOKIE[$cookieName])) {
 			// Then expire it with 20 minutes past
-			$this->addCookie($cookieName, "", false, (time() - 1200));
+			$this->addCookie($cookieName, '', false, (time() - 1200));
 
 			// Remove it from array
 			unset($_COOKIE[$cookieName]);
diff --git a/inc/classes/main/response/image/class_ImageResponse.php b/inc/classes/main/response/image/class_ImageResponse.php
index 870ce11f..dc6e5ad0 100644
--- a/inc/classes/main/response/image/class_ImageResponse.php
+++ b/inc/classes/main/response/image/class_ImageResponse.php
@@ -170,7 +170,7 @@ class ImageResponse extends BaseResponse implements Responseable {
 		$this->setResponseStatus("301 Moved Permanently");
 
 		// Clear the body
-		$this->setResponseBody("");
+		$this->setResponseBody('');
 
 		// Flush the result
 		$this->flushBuffer();
@@ -213,7 +213,7 @@ class ImageResponse extends BaseResponse implements Responseable {
 		// Is the cookie there?
 		if (isset($_COOKIE[$cookieName])) {
 			// Then expire it with 20 minutes past
-			$this->addCookie($cookieName, "", false, (time() - 1200));
+			$this->addCookie($cookieName, '', false, (time() - 1200));
 
 			// Remove it from array
 			unset($_COOKIE[$cookieName]);
diff --git a/inc/classes/main/result/class_DatabaseResult.php b/inc/classes/main/result/class_DatabaseResult.php
index b53cad5b..e0d169a5 100644
--- a/inc/classes/main/result/class_DatabaseResult.php
+++ b/inc/classes/main/result/class_DatabaseResult.php
@@ -54,7 +54,7 @@ class DatabaseResult extends BaseFrameworkSystem implements SearchableResult, Up
 	/**
 	 * Found value
 	 */
-	private $foundValue = "";
+	private $foundValue = '';
 
 	/**
 	 * Protected constructor
diff --git a/inc/classes/main/rng/class_RandomNumberGenerator.php b/inc/classes/main/rng/class_RandomNumberGenerator.php
index 51a0846e..431b9d13 100644
--- a/inc/classes/main/rng/class_RandomNumberGenerator.php
+++ b/inc/classes/main/rng/class_RandomNumberGenerator.php
@@ -35,12 +35,12 @@ class RandomNumberGenerator extends BaseFrameworkSystem {
 	/**
 	 * Extra salt for secured hashing
 	 */
-	private $extraSalt = "";
+	private $extraSalt = '';
 
 	/**
 	 * Fixed salt for secured hashing
 	 */
-	private $fixedSalt = "";
+	private $fixedSalt = '';
 
 	/**
 	 * Maximum length for random string
@@ -133,7 +133,7 @@ class RandomNumberGenerator extends BaseFrameworkSystem {
 		if ($length < 1) $length = $this->rndStrLen;
 
 		// Initialize the string
-		$randomString = "";
+		$randomString = '';
 
 		// And generate it
 		for ($idx = 0; $idx < $length; $idx++) {
diff --git a/inc/classes/main/template/class_BaseTemplateEngine.php b/inc/classes/main/template/class_BaseTemplateEngine.php
index 8969e4e9..4b121a4f 100644
--- a/inc/classes/main/template/class_BaseTemplateEngine.php
+++ b/inc/classes/main/template/class_BaseTemplateEngine.php
@@ -27,7 +27,7 @@ class BaseTemplateEngine extends BaseFrameworkSystem {
 	 * templates are stored. We will internally determine the language plus
 	 * "html" for web templates or "emails" for email templates
 	 */
-	private $basePath = "";
+	private $basePath = '';
 
 	/**
 	 * Template type
@@ -52,17 +52,17 @@ class BaseTemplateEngine extends BaseFrameworkSystem {
 	/**
 	 * The raw (maybe uncompiled) template
 	 */
-	private $rawTemplateData = "";
+	private $rawTemplateData = '';
 
 	/**
 	 * Template data with compiled-in variables
 	 */
-	private $compiledData = "";
+	private $compiledData = '';
 
 	/**
 	 * The last loaded template's FQFN for debugging the engine
 	 */
-	private $lastTemplate = "";
+	private $lastTemplate = '';
 
 	/**
 	 * The variable stack for the templates
@@ -560,7 +560,7 @@ class BaseTemplateEngine extends BaseFrameworkSystem {
 		// Is it not a config variable?
 		if ($varName != 'config') {
 			// Regular template variables
-			$this->assignVariable($var, "");
+			$this->assignVariable($var, '');
 		} else {
 			// Configuration variables
 			$this->assignConfigVariable($var);
@@ -779,7 +779,7 @@ class BaseTemplateEngine extends BaseFrameworkSystem {
 			}
 
 			// Do we have some quotes left and right side? Then it is free text
-			if ((substr($varMatches[2][$key], 0, 1) == "\"") && (substr($varMatches[2][$key], -1, 1) == "\"")) {
+			if ((substr($varMatches[2][$key], 0, 1) == "\'') && (substr($varMatches[2][$key], -1, 1) == "\'')) {
 				// Free string detected! Which we can assign directly
 				$this->assignVariable($var, $varMatches[3][$key]);
 			} elseif (!empty($varMatches[2][$key])) {
@@ -998,7 +998,7 @@ class BaseTemplateEngine extends BaseFrameworkSystem {
 			$eval = str_replace(
 				"<%php", "\";",
 				str_replace(
-					"%>", "\n\$result .= \"", $eval
+					"%>", "\n\$result .= \'', $eval
 				)
 			);
 
@@ -1074,7 +1074,7 @@ class BaseTemplateEngine extends BaseFrameworkSystem {
 				$this->insertRawTemplates();
 
 				// Remove the raw template content as well
-				$this->setRawTemplateData("");
+				$this->setRawTemplateData('');
 
 			} // END - if
 
@@ -1162,7 +1162,7 @@ class BaseTemplateEngine extends BaseFrameworkSystem {
 		$this->assignVariable($variableName, $content);
 
 		// Purge raw content
-		$this->setRawTemplateData("");
+		$this->setRawTemplateData('');
 	}
 
 	/**
diff --git a/inc/classes/main/template/image/class_ImageTemplateEngine.php b/inc/classes/main/template/image/class_ImageTemplateEngine.php
index c77556a4..309279a6 100644
--- a/inc/classes/main/template/image/class_ImageTemplateEngine.php
+++ b/inc/classes/main/template/image/class_ImageTemplateEngine.php
@@ -40,7 +40,7 @@ class ImageTemplateEngine extends BaseTemplateEngine implements CompileableTempl
 	/**
 	 * Current main node
 	 */
-	private $currMainNode = "";
+	private $currMainNode = '';
 
 	/**
 	 * Protected constructor
diff --git a/inc/classes/main/template/mail/class_MailTemplateEngine.php b/inc/classes/main/template/mail/class_MailTemplateEngine.php
index d67651fb..241e24fe 100644
--- a/inc/classes/main/template/mail/class_MailTemplateEngine.php
+++ b/inc/classes/main/template/mail/class_MailTemplateEngine.php
@@ -40,7 +40,7 @@ class MailTemplateEngine extends BaseTemplateEngine implements CompileableTempla
 	/**
 	 * Current main node
 	 */
-	private $currMainNode = "";
+	private $currMainNode = '';
 
 	/**
 	 * Protected constructor
@@ -316,7 +316,7 @@ class MailTemplateEngine extends BaseTemplateEngine implements CompileableTempla
 	 */
 	public function getMailCacheFqfn () {
 		// Initialize FQFN
-		$fqfn = "";
+		$fqfn = '';
 		$this->debugBackTrace();
 
 		// Return it
diff --git a/inc/classes/main/user/class_BaseUser.php b/inc/classes/main/user/class_BaseUser.php
index c5cdfa9a..f1a63026 100644
--- a/inc/classes/main/user/class_BaseUser.php
+++ b/inc/classes/main/user/class_BaseUser.php
@@ -30,7 +30,7 @@ class BaseUser extends BaseFrameworkSystem {
 	/**
 	 * Username of current user
 	 */
-	private $userName = "";
+	private $userName = '';
 
 	/**
 	 * User id of current user
@@ -40,7 +40,7 @@ class BaseUser extends BaseFrameworkSystem {
 	/**
 	 * Email of current user
 	 */
-	private $email = "";
+	private $email = '';
 
 	/**
 	 * Protected constructor
@@ -199,7 +199,7 @@ class BaseUser extends BaseFrameworkSystem {
 			$exists = true;
 
 			// Is the username set?
-			if ($this->getUserName() == "") {
+			if ($this->getUserName() == '') {
 				// Get current entry
 				$currEntry = $this->getResultInstance()->current();
 
diff --git a/inc/classes/middleware/database/class_DatabaseConnection.php b/inc/classes/middleware/database/class_DatabaseConnection.php
index 56f07783..420421fd 100644
--- a/inc/classes/middleware/database/class_DatabaseConnection.php
+++ b/inc/classes/middleware/database/class_DatabaseConnection.php
@@ -26,10 +26,10 @@ class DatabaseConnection extends BaseMiddleware implements DatabaseConnector, Re
 	 * Array for connection data
 	 */
 	private $connectData = array(
-		'login'	=> "",
-		'pass'	=> "",
-		'dbase'	=> "",
-		'host'	=> ""
+		'login'	=> '',
+		'pass'	=> '',
+		'dbase'	=> '',
+		'host'	=> ''
 	);
 
 	// The real database layer
diff --git a/inc/config/class_FrameworkConfiguration.php b/inc/config/class_FrameworkConfiguration.php
index fafc68fd..aa00607c 100644
--- a/inc/config/class_FrameworkConfiguration.php
+++ b/inc/config/class_FrameworkConfiguration.php
@@ -236,7 +236,7 @@ class FrameworkConfiguration implements Registerable {
 	 */
 	public function detectScriptPath () {
 		// Default is empty
-		$scriptPath = "";
+		$scriptPath = '';
 
 		// Is the scriptname set?
 		if (isset($_SERVER['SCRIPT_NAME'])) {
diff --git a/inc/includes.php b/inc/includes.php
index 246a5325..367399ad 100644
--- a/inc/includes.php
+++ b/inc/includes.php
@@ -56,7 +56,7 @@ if (!empty($_GET['app'])) {
 $application = htmlentities(strip_tags($application), ENT_QUOTES);
 
 // Secure it a little more with a reg.exp.
-$application = preg_replace('/([^a-z0-9_-])+/i', "", $application);
+$application = preg_replace('/([^a-z0-9_-])+/i', '', $application);
 
 // Set the application name for later usage
 $cfg->setConfigEntry('app_name', $application);
diff --git a/inc/loader/class_ClassLoader.php b/inc/loader/class_ClassLoader.php
index ffa07930..7b551d87 100644
--- a/inc/loader/class_ClassLoader.php
+++ b/inc/loader/class_ClassLoader.php
@@ -84,12 +84,12 @@ class ClassLoader {
 	/**
 	 * Filename for the list cache
 	 */
-	private $listCacheFQFN = "";
+	private $listCacheFQFN = '';
 
 	/**
 	 * Cache for class content
 	 */
-	private $classCacheFQFN = "";
+	private $classCacheFQFN = '';
 
 	/**
 	 * Counter for loaded include files
@@ -217,7 +217,7 @@ class ClassLoader {
 		// Skip here if already cached
 		if ($this->classesCached === false) {
 			// Generate a full-cache of all classes
-			$cacheContent = "";
+			$cacheContent = '';
 			foreach ($this->loadedClasses as $fqfn) {
 				// Load the file
 				$cacheContent .= file_get_contents($fqfn);
@@ -398,7 +398,7 @@ class ClassLoader {
 	 */
 	public function getPrintableIncludeList () {
 		// Prepare the list
-		$includeList = "";
+		$includeList = '';
 		foreach ($this->loadedClasses as $classFile) {
 			$includeList .= basename($classFile)."<br />\n";
 		} // END - foreach
diff --git a/inc/output.php b/inc/output.php
index c23d0ffd..0f826ad9 100644
--- a/inc/output.php
+++ b/inc/output.php
@@ -26,7 +26,7 @@
 $debug = DebugMiddleware::createDebugMiddleware(FrameworkConfiguration::getInstance()->readConfig('debug_class'));
 
 // Empty string should be ignored and used for testing the middleware
-DebugMiddleware::getInstance()->output("");
+DebugMiddleware::getInstance()->output('');
 
 // [EOF]
 ?>
diff --git a/tests/ConfigTest.php b/tests/ConfigTest.php
index 6e14186f..1014d10a 100644
--- a/tests/ConfigTest.php
+++ b/tests/ConfigTest.php
@@ -91,7 +91,7 @@ class ConfigTest extends PHPUnit_Framework_TestCase {
 			$cfg = FrameworkConfiguration::getInstance();
 
 			// Try to read an empty configuration variable
-			$dummy = $cfg->readConfig("");
+			$dummy = $cfg->readConfig('');
 		} catch (ConfigEntryIsEmptyException $expected) {
 			// This exception was expected, so it is fine
 			$testPassed = true;
@@ -120,7 +120,7 @@ class ConfigTest extends PHPUnit_Framework_TestCase {
 			$cfg = FrameworkConfiguration::getInstance();
 
 			// Try to read an empty configuration variable
-			$cfg->setConfigEntry("", 'will_never_be_set');
+			$cfg->setConfigEntry('', 'will_never_be_set');
 		} catch (ConfigEntryIsEmptyException $expected) {
 			// This exception was expected, so it is fine
 			$testPassed = true;
diff --git a/tests/old/contract-test.php b/tests/old/contract-test.php
index fd44cdf3..5dfeabf4 100644
--- a/tests/old/contract-test.php
+++ b/tests/old/contract-test.php
@@ -200,7 +200,7 @@ $einbauten = array(
 // Preisliste auffuellen
 foreach ($einbauten['parts'] as $key=>$part) {
 	// Create item array string
-	$item = "";
+	$item = '';
 	foreach ($part as $idx=>$itemPart) {
 		if (is_string($itemPart)) {
 			// String found