minor cosmetic changes and new create_customer api example

Signed-off-by: Michael Kaufmann <d00p@froxlor.org>

doc/example/create_customer.php

@@ -0,0 +1,48 @@
+<?php
+
+// include FroxlorAPI helper class
+require __DIR__ . '/FroxlorAPI.php';
+
+// create object of FroxlorAPI with URL, apikey and apisecret
+$fapi = new FroxlorAPI('https://froxlor.your-host.tld/api.php', 'your-api-key', 'your-api-secret');
+
+// customer data
+$data = [
+	'new_loginname' => 'test',
+	'email' => 'test@froxlor.org',
+	'firstname' => 'Test',
+	'name' => 'Testman',
+	'customernumber' => 1337,
+	'new_customer_password' => 's0mEcRypt1cpassword' . uniqid()
+];
+// send request
+$fapi->request('Customers.add', $data);
+
+// check for error
+if (! empty($fapi->getLastError())) {
+	echo "Error: " . $fapi->getLastError();
+	exit();
+}
+
+// get response of request
+$request = $fapi->getLastResponse();
+
+// view response data
+var_dump($request);
+
+/*
+array(60) {
+  ["customerid"]=>
+  string(1) "1"
+  ["loginname"]=>
+  string(4) "test"
+  ["password"]=>
+  string(63) "$5$asdasdasd.asdasd"
+  ["adminid"]=>
+  string(1) "1"
+  ["name"]=>
+  string(7) "Testman"
+  ["firstname"]=>
+  string(4) "Test"
+  [...]
+*/