first commit -> move some files from one-api

vendor/mikey179/vfsStream/examples/FilePermissionsExample.php

@@ -0,0 +1,29 @@
+<?php
+/**
+ * This file is part of vfsStream.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ *
+ * @package  org\bovigo\vfs
+ */
+namespace org\bovigo\vfs\example;
+/**
+ * Example showing correct file permission support introduced with 0.7.0.
+ */
+class FilePermissionsExample
+{
+    /**
+     * reads configuration from given config file
+     *
+     * @param  mixed   $config
+     * @param  string  $configFile
+     */
+    public function writeConfig($config, $configFile)
+    {
+        @file_put_contents($configFile, serialize($config));
+    }
+
+    // more methods here
+}
+?>