DOCS More resilient example domain

myapp.com is owned, example.com is specifically reserved for documentation use cases:
https://en.wikipedia.org/wiki/Example.com

[ci skip]

docs/en/00_Getting_Started/01_Installation/How_To/Configure_Nginx.md

@@ -29,7 +29,7 @@ server {
   client_max_body_size 0; # Manage this in php.ini (upload_max_filesize & post_max_size)
   listen 80;
   root /path/to/ss/folder/public;
-  server_name myapp.com www.myapp.com;
+  server_name example.com www.example.com;
 
   # Defend against SS-2015-013 -- http://www.silverstripe.org/software/download/security-releases/ss-2015-013
   if ($http_x_forwarded_host) {
@@ -65,7 +65,7 @@ server {
 }
 ```
 
-The above configuration sets up a virtual host `myapp.com` with
+The above configuration sets up a virtual host `example.com` with
 rewrite rules suited for SilverStripe. The location block for index.php
 passes the php script to the FastCGI-wrapper via a TCP socket.
 

docs/en/00_Getting_Started/01_Installation/How_To/MySQL_SSL_Support.md

@@ -127,7 +127,7 @@ On your Silverstripe instance:
 
 	:::bash
 	# Secure copy over SSH via rsync command. You may use an alternative method if desired. 
-	rsync -avP user@db1.myapp.com:/path/to/client/certs /path/to/secure/folder
+	rsync -avP user@db1.example.com:/path/to/client/certs /path/to/secure/folder
 
 	#  Depending on your web server configuration, allow web server to read to SSL files
 	sudo chown -R www-data:www-data /path/to/secure/folder
@@ -148,7 +148,7 @@ Add or edit your `_ss_environment.php` configuration file. (See [Environment Man
 	// These four define set the database connection details.
 	define('SS_DATABASE_CLASS', 'MySQLPDODatabase');
 
-	define('SS_DATABASE_SERVER', 'db1.myapp.com');
+	define('SS_DATABASE_SERVER', 'db1.example.com');
 	define('SS_DATABASE_USERNAME', 'dbuser');
 	define('SS_DATABASE_PASSWORD', '<password>');
 

docs/en/00_Getting_Started/01_Installation/How_To/Setup_Nginx_and_HHVM.md

@@ -75,7 +75,7 @@ e.g. `/etc/nginx/sites-enabled/mysite`:
 	server {
 		listen 80;
 		root /var/www/mysite/public;
-		server_name www.myapp.com;
+		server_name www.example.com;
 
 		error_log /var/log/nginx/mysite.error.log;
 		access_log /var/log/nginx/mysite.access.log;

docs/en/02_Developer_Guides/03_Forms/How_Tos/05_Simple_Contact_Form.md

@@ -100,7 +100,7 @@ class ContactPageController extends PageController
     { 
         $email = new Email(); 
          
-        $email->setTo('test@myapp.com'); 
+        $email->setTo('test@example.com'); 
         $email->setFrom($data['Email']); 
         $email->setSubject("Contact Message from {$data["Name"]}"); 
          

docs/en/02_Developer_Guides/06_Testing/04_Fixtures.md

@@ -340,7 +340,7 @@ values based on other fixture data.
 $factory->define('Member', [
     'Email' => function($obj, $data, $fixtures) {
         if(isset($data['FirstName']) {
-            $obj->Email = strtolower($data['FirstName']) . '@myapp.com';
+            $obj->Email = strtolower($data['FirstName']) . '@example.com';
         }
     },
     'Score' => function($obj, $data, $fixtures) {

docs/en/02_Developer_Guides/06_Testing/How_Tos/01_Write_a_FunctionalTest.md

@@ -28,7 +28,7 @@ class HomePageTest extends FunctionalTest
 
         // We should see a login form
         $login = $this->submitForm("LoginFormID", null, [
-            'Email' => 'test@myapp.com',
+            'Email' => 'test@example.com',
             'Password' => 'wrongpassword'
         ]);
 

docs/en/02_Developer_Guides/06_Testing/How_Tos/03_Testing_Email.md

@@ -13,7 +13,7 @@ use SilverStripe\Control\Email\Email;
 public function MyMethod() 
 {
     $e = new Email();
-    $e->To = "someone@myapp.com";
+    $e->To = "someone@example.com";
     $e->Subject = "Hi there";
     $e->Body = "I just really wanted to email you and say hi.";
     $e->send();
@@ -27,7 +27,7 @@ To test that `MyMethod` sends the correct email, use the [SapphireTest::assertEm
 $this->assertEmailSent($to, $from, $subject, $body);
 
 // to assert that the email is sent to the correct person
-$this->assertEmailSent("someone@myapp.com", null, "/th.*e$/");
+$this->assertEmailSent("someone@example.com", null, "/th.*e$/");
 ```
 
 Each of the arguments (`$to`, `$from`, `$subject` and `$body`) can be either one of the following.

docs/en/02_Developer_Guides/07_Debugging/01_Error_Handling.md

@@ -114,9 +114,9 @@ SilverStripe\Core\Injector\Injector:
   MailHandler:
       class: Monolog\Handler\NativeMailerHandler
       constructor:
-        - me@myapp.com
+        - me@example.com
         - There was an error on your test site
-        - me@myapp.com
+        - me@example.com
         - error
       properties:
         ContentType: text/html

docs/en/02_Developer_Guides/09_Security/04_Secure_Coding.md

@@ -450,9 +450,9 @@ given variable is done safely, with the assumption that it's an integer.
 
 To cast the variable as an integer, place `(int)` or `(integer)` before the variable.
 
-For example: a page with the URL paramaters *myapp.com/home/add/1* requires that ''Director::urlParams['ID']'' be an
+For example: a page with the URL paramaters *example.com/home/add/1* requires that ''Director::urlParams['ID']'' be an
 integer. We cast it by adding `(int)` - ''(int)Director::urlParams['ID']''. If a value other than an integer is
-passed, such as *myapp.com/home/add/dfsdfdsfd*, then it returns 0.
+passed, such as *example.com/home/add/dfsdfdsfd*, then it returns 0.
 
 Below is an example with different ways you would use this casting technique:
 
@@ -461,7 +461,7 @@ Below is an example with different ways you would use this casting technique:
 public function CaseStudies() 
 {
 
-    // cast an ID from URL parameters e.g. (myapp.com/home/action/ID)
+    // cast an ID from URL parameters e.g. (example.com/home/action/ID)
     $anotherID = (int)Director::urlParam['ID'];
     
     // perform a calculation, the prerequisite being $anotherID must be an integer
@@ -612,7 +612,7 @@ this whitelist in your `.env` file, any request presenting a `Host` header that
 _not_ in this list will be blocked with a HTTP 400 error:
 
 ```
-SS_ALLOWED_HOSTS="www.myapp.com,myapp.com,subdomain.myapp.com"
+SS_ALLOWED_HOSTS="www.example.com,example.com,subdomain.example.com"
 ```
 
 Please note that if this configuration is defined, you _must_ include _all_ subdomains (eg www.)

docs/en/02_Developer_Guides/10_Email/index.md

@@ -130,7 +130,7 @@ You can set the default sender address of emails through the `Email.admin_email`
 
 ```yaml
 SilverStripe\Control\Email\Email:
-  admin_email: support@myapp.com
+  admin_email: support@example.com
 ```
 
 <div class="alert" markdown="1">
@@ -157,9 +157,9 @@ Configuration of those properties looks like the following:
 use SilverStripe\Control\Email\Email;
 use SilverStripe\Core\Config\Config;
 if(Director::isLive()) {
-    Config::modify()->set(Email::class, 'bcc_all_emails_to', "client@myapp.com");
+    Config::modify()->set(Email::class, 'bcc_all_emails_to', "client@example.com");
 } else {
-    Config::modify()->set(Email::class, 'send_all_emails_to', "developer@myapp.com");
+    Config::modify()->set(Email::class, 'send_all_emails_to', "developer@example.com");
 }
 ```
 
@@ -172,7 +172,7 @@ marked as spam.
 
 ```php
 $email = new Email(..);
-$email->setReplyTo('reply@myapp.com');
+$email->setReplyTo('reply@example.com');
 ```
 
 ### Setting Custom Headers

docs/en/02_Developer_Guides/14_Files/03_File_Security.md

@@ -179,9 +179,9 @@ assets/
 
 The urls for these two files, however, do not reflect the physical structure directly.
 
-* `http://www.myapp.com/assets/33be1b95cb/OldCompanyLogo.gif` will be served directly from the web server,
+* `http://www.example.com/assets/33be1b95cb/OldCompanyLogo.gif` will be served directly from the web server,
   and will not invoke a php request.
-* `http://www.myapp.com/assets/a870de278b/NewCompanyLogo.gif` will be routed via a 404 handler to PHP,
+* `http://www.example.com/assets/a870de278b/NewCompanyLogo.gif` will be routed via a 404 handler to PHP,
   which will be passed to the `[ProtectedFileController](api:SilverStripe\Assets\Storage\ProtectedFileController)` controller, which will serve
   up the content of the hidden file, conditional on a permission check.
 

docs/en/02_Developer_Guides/14_Files/04_File_Storage.md

@@ -74,7 +74,7 @@ This corresponds to a file with the following properties:
 - Variant: FitWzYwLDYwXQ (corresponds to Fit[60,60])
 
 The URL for this file will match the physical location on disk:
-`http://www.myapp.com/assets/Uploads/b63923d8d4/BannerHeader__FitWzYwLDYwXQ.jpg`.
+`http://www.example.com/assets/Uploads/b63923d8d4/BannerHeader__FitWzYwLDYwXQ.jpg`.
 
 For more information on how protected files are stored see the [file security](/developer_guides/files/file_security)
 section.

docs/en/02_Developer_Guides/15_Customising_the_Admin_Interface/07_ReactJS_Redux_and_GraphQL.md

@@ -112,7 +112,7 @@ The above query is almost self-descriptive. It gets a user by ID, returns his or
 {
     "user": {
         "name": "Test user",
-        "email": "test@myapp.com",
+        "email": "test@example.com",
         "blogPosts": [
             {
                 "title": "How to be awesome at GraphQL",