docs: added php syntax highlighting in readme and updated contributors

Contributors.md

@@ -13,3 +13,4 @@
 * https://github.com/simonschaufi
 * https://github.com/stayallive
 * https://github.com/aschempp
+* https://github.com/jnngr

README.md

@@ -18,15 +18,19 @@ This library can be installed via composer: `composer require visualappeal/matom
 
 ### Create an instance of matomo
 
-	require(__DIR__ . '/vendor/autoload.php');
+```php
+require(__DIR__ . '/vendor/autoload.php');
 
-	use VisualAppeal\Matomo;
+use VisualAppeal\Matomo;
 
-	$matomo = new Matomo('http://stats.example.org', 'my_access_token', 'siteId');
+$matomo = new Matomo('http://stats.example.org', 'my_access_token', 'siteId');
+```
 
 There are some basic parameters (period, date, range) which you can define at the beginning. They do not change until you reset them with
 
-	$matomo->reset();
+```php
+$matomo->reset();
+```
 
 So you can execute multiple requests without specifying the parameters again.
 
@@ -38,48 +42,62 @@ The ID of your website, single number, list separated through comma `"1,4,7"`, o
 
 The period you request the statistics for
 
-	Matomo::PERIOD_DAY
-	Matomo::PERIOD_WEEK
-	Matomo::PERIOD_MONTH
-	Matomo::PERIOD_YEAR
-	Matomo::PERIOD_RANGE
+```php
+Matomo::PERIOD_DAY
+Matomo::PERIOD_WEEK
+Matomo::PERIOD_MONTH
+Matomo::PERIOD_YEAR
+Matomo::PERIOD_RANGE
+```
 
 If you set the period to `Matomo::PERIOD_RANGE` you can specify the range via
 
-	$matomo->setRange('2012-01-14', '2012-04-30'); //All data from the first to the last date
-	$matomo->setRange('2012-01-14', Matomo::DATE_YESTERDAY); //All data from the first date until yesterday
-	$matomo->setRange('2012-01-14'); //All data from the first date until now
+```php
+$matomo->setRange('2012-01-14', '2012-04-30'); //All data from the first to the last date
+$matomo->setRange('2012-01-14', Matomo::DATE_YESTERDAY); //All data from the first date until yesterday
+$matomo->setRange('2012-01-14'); //All data from the first date until now
+```
 
 If you set it to something other than `Matomo::PERIOD_RANGE` you can specify the date via:
 
-	$matomo->setPeriod(x);
-	$matomo->setDate('2012-03-03');
+```php
+$matomo->setPeriod(x);
+$matomo->setDate('2012-03-03');
 
-	Case x of PERIOD_DAY the report is created for the third of march, 2012
-	Case x of PERIOD_WEEK the report is created for the first week of march, 2012
-	Case x of PERIOD_MONTH the report is created for march, 2012
-	Case x of PERIOD_YEAR the report is created for 2012
+Case x of PERIOD_DAY the report is created for the third of march, 2012
+Case x of PERIOD_WEEK the report is created for the first week of march, 2012
+Case x of PERIOD_MONTH the report is created for march, 2012
+Case x of PERIOD_YEAR the report is created for 2012
+```
 
 ### date
 
 Set the date via
 
-	$matomo->setDate('YYYY-mm-dd');
+```php
+$matomo->setDate('YYYY-mm-dd');
+```
 
 Or use the constants
 
-	$matomo->setDate(Matomo::DATE_TODAY);
-	$matomo->setDate(Matomo::DATE_YESTERDAY);
+```php
+$matomo->setDate(Matomo::DATE_TODAY);
+$matomo->setDate(Matomo::DATE_YESTERDAY);
+```
 
 Report for the last seven weeks including the current week
 
-	$matomo->setPeriod(Matomo::PERIOD_WEEK);
-	$matomo->setDate('last7');
+```php
+$matomo->setPeriod(Matomo::PERIOD_WEEK);
+$matomo->setDate('last7');
+```
 
 Report for the last 2 years without the current year
 
-	$matomo->setPeriod(Matomo::PERIOD_YEAR);
-	$matomo->setDate('previous2');
+```
+$matomo->setPeriod(Matomo::PERIOD_YEAR);
+$matomo->setDate('previous2');
+```
 
 ### segment, idSubtable, expanded
 
@@ -89,32 +107,38 @@ For some functions you can specify `segment`, `idSubtable` and `expanded`. Pleas
 
 Specify a output format via
 
-	$matomo->setFormat(Matomo::FORMAT_JSON);
+```php
+$matomo->setFormat(Matomo::FORMAT_JSON);
+```
 
 JSON is converted with `json_decode` before returning the request.
 
 All available formats
 
-	Matomo::FORMAT_XML
-	Matomo::FORMAT_JSON
-	Matomo::FORMAT_CSV
-	Matomo::FORMAT_TSV
-	Matomo::FORMAT_HTML
-	Matomo::FORMAT_RSS
-	Matomo::FORMAT_PHP
+```php
+Matomo::FORMAT_XML
+Matomo::FORMAT_JSON
+Matomo::FORMAT_CSV
+Matomo::FORMAT_TSV
+Matomo::FORMAT_HTML
+Matomo::FORMAT_RSS
+Matomo::FORMAT_PHP
+```
 
 
 ## Example
 
 Get all the unique visitors from yesterday:
 
-	require(__DIR__ . '/vendor/autoload.php');
+```php
+require(__DIR__ . '/vendor/autoload.php');
 
-	use VisualAppeal\Matomo;
+use VisualAppeal\Matomo;
 
-	$matomo = new Matomo('http://stats.example.org', 'my_access_token', 1, Matomo::FORMAT_JSON);
+$matomo = new Matomo('http://stats.example.org', 'my_access_token', 1, Matomo::FORMAT_JSON);
 
-	$matomo->setPeriod(Matomo::PERIOD_DAY);
-	$matomo->setDate(Matomo::DATE_YESTERDAY);
+$matomo->setPeriod(Matomo::PERIOD_DAY);
+$matomo->setDate(Matomo::DATE_YESTERDAY);
 
-	echo 'Unique visitors yesterday: ' . $matomo->getUniqueVisitors();
+echo 'Unique visitors yesterday: ' . $matomo->getUniqueVisitors();
+```