Use .env with dotenv in examples

.env.dist

@@ -0,0 +1,5 @@
+HUB_V1_USERNAME=username
+HUB_V1_PASSWORD=password
+HUB_V3_USERNAME=apikey-xyz
+HUB_V3_PASSWORD=secret
+HUB_URL=https://hub.example.web

.gitignore

@@ -1,2 +1,3 @@
 .DS_Store
-vendor/
+.env
+vendor/

README.md

@@ -28,6 +28,9 @@ Hub v1 and v3 use different authentication methods, therefor you can specify the
 
 Note, the v1 credentials are also used to access resources at providers for v1 security hashes.
 
+You can use a `.env` file, by copying the `.env.dist` to `.env` and updating it
+with your credentials.
+
 ### Run the examples
 
 ```sh

composer.json

@@ -10,6 +10,9 @@
             "role": "Development"
         }
     ],
+    "require-dev": {
+        "symfony/dotenv": "3.3.x-dev"
+    },
     "require": {
         "guzzlehttp/guzzle": "^4.0|^5.0|^6.0",
         "guzzlehttp/streams": "~3.0"

examples/common.php

@@ -3,8 +3,16 @@
 use Hub\Client\Model\Resource;
 use Hub\Client\Model\Property;
 use Hub\Client\Model\Share;
+use Symfony\Component\Dotenv\Dotenv;
 
 require_once __DIR__ . '/../vendor/autoload.php';
+
+$envFilename = '.env';
+if (file_exists($envFilename)) {
+    $dotenv = new Dotenv();
+    $dotenv->load($envFilename);
+}
+
 $usernameV1 = getenv('HUB_V1_USERNAME');
 $passwordV1 = getenv('HUB_V1_PASSWORD');
 $usernameV3 = getenv('HUB_V3_USERNAME');
@@ -34,7 +42,7 @@ function loadUpdateClientInfoXml($filename)
     foreach ($clientNode->eocs->eoc as $eocNode) {
         $resource = new Resource();
         $resource->setType('perinatologie/dossier');
-        
+
         // Client details
         $resource->addPropertyValue('bsn', $clientNode->bsn);
         $resource->addPropertyValue('birthdate', $clientNode->birthdate);
@@ -48,7 +56,7 @@ function loadUpdateClientInfoXml($filename)
         $resource->addPropertyValue('para', $eocNode->para);
         $resource->addPropertyValue('starttimestamp', $eocNode->starttimestamp);
         $resource->addPropertyValue('edd', $eocNode->edd);
-        
+
         foreach ($eocNode->teammember as $shareNode) {
             $share = new Share();
             $share->setName((string)$shareNode->name);