diff --git a/examples/custom_output.php b/examples/custom_output.php
index e00f2146c..6804fa508 100644
--- a/examples/custom_output.php
+++ b/examples/custom_output.php
@@ -39,8 +39,8 @@ class MyCustomOutput extends QROutputAbstract{
 
 // invoke the QROutputInterface manually
 $options = new QROptions([
-	'version'      => 5,
-	'eccLevel'     => QRCode::ECC_L,
+	'version'  => 5,
+	'eccLevel' => QRCode::ECC_L,
 ]);
 
 $qrOutputInterface = new MyCustomOutput($options, (new QRCode($options))->getMatrix('https://www.youtube.com/watch?v=dQw4w9WgXcQ'));
diff --git a/examples/html.php b/examples/html.php
index 935210efa..46cadd641 100644
--- a/examples/html.php
+++ b/examples/html.php
@@ -12,10 +12,10 @@ use chillerlan\QRCode\Data\QRMatrix;
 require_once '../vendor/autoload.php';
 
 $options = new QROptions([
-	'version' => 5,
-	'outputType' => QRCode::OUTPUT_MARKUP_HTML,
-	'cssClass' => 'qrcode',
-	'eccLevel' => QRCode::ECC_L,
+	'version'      => 5,
+	'outputType'   => QRCode::OUTPUT_MARKUP_HTML,
+	'cssClass'     => 'qrcode',
+	'eccLevel'     => QRCode::ECC_L,
 	'moduleValues' => [
 		// finder
 		(QRMatrix::M_FINDER << 8)     => '#A71111', // dark (true)
diff --git a/examples/imageWithText.php b/examples/imageWithText.php
index c366eaaff..c23fed8dc 100644
--- a/examples/imageWithText.php
+++ b/examples/imageWithText.php
@@ -94,10 +94,10 @@ class QRImageWithText extends QRImage{
 
 
 $options = new QROptions([
-	'version'      => 7,
-	'outputType'   => QRCode::OUTPUT_IMAGE_PNG,
-	'scale'        => 3,
-	'imageBase64'  => false,
+	'version'     => 7,
+	'outputType'  => QRCode::OUTPUT_IMAGE_PNG,
+	'scale'       => 3,
+	'imageBase64' => false,
 ]);
 
 
diff --git a/examples/qrcode-interactive.php b/examples/qrcode-interactive.php
index 93c0d7159..68e074359 100644
--- a/examples/qrcode-interactive.php
+++ b/examples/qrcode-interactive.php
@@ -79,18 +79,18 @@ try{
 		$qrcode = '<pre style="font-size: 75%; overflow-x: auto;">'.$qrcode.'</pre>';
 	}
 
-	send_response(['qrcode' => $qrcode]);
+	sendResponse(['qrcode' => $qrcode]);
 }
 // Pokémon exception handler
-catch(\Exception $e){
+catch(Exception $e){
 	header('HTTP/1.1 500 Internal Server Error');
-	send_response(['error' => $e->getMessage()]);
+	sendResponse(['error' => $e->getMessage()]);
 }
 
 /**
  * @param array $response
  */
-function send_response(array $response){
+function sendResponse(array $response){
 	header('Content-type: application/json;charset=utf-8;');
 	echo json_encode($response);
 	exit;
diff --git a/examples/svg.php b/examples/svg.php
index da6a5cac4..4e9880109 100644
--- a/examples/svg.php
+++ b/examples/svg.php
@@ -16,14 +16,14 @@ require_once __DIR__.'/../vendor/autoload.php';
 $gzip = true;
 
 $options = new QROptions([
-	'version'      => 7,
-	'outputType'   => QRCode::OUTPUT_MARKUP_SVG,
-	'imageBase64'  => false,
-	'eccLevel'     => QRCode::ECC_L,
+	'version'        => 7,
+	'outputType'     => QRCode::OUTPUT_MARKUP_SVG,
+	'imageBase64'    => false,
+	'eccLevel'       => QRCode::ECC_L,
 	'svgViewBoxSize' => 530,
-	'addQuietzone' => true,
-	'svgOpacity'   => 1.0,
-	'svgDefs'      => '
+	'addQuietzone'   => true,
+	'svgOpacity'     => 1.0,
+	'svgDefs'        => '
 		<linearGradient id="g2">
 			<stop offset="0%" stop-color="#39F" />
 			<stop offset="100%" stop-color="#F3F" />
@@ -33,7 +33,7 @@ $options = new QROptions([
 			<stop offset="100%" stop-color="#39F" />
 		</linearGradient>
 		<style>rect{shape-rendering:crispEdges}</style>',
-	'moduleValues' => [
+	'moduleValues'   => [
 		// finder
 		(QRMatrix::M_FINDER << 8)     => 'url(#g1)', // dark (true)
 		(QRMatrix::M_FINDER_DOT << 8) => 'url(#g1)',