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@@ -0,0 +1,34 @@

+<?php

+

+namespace Telnyx\Util;

+

+/**

+ * A basic random generator. This is in a separate class so we the generator

+ * can be injected as a dependency and replaced with a mock in tests.

+ */

+class RandomGenerator

+{

+    /**

+     * Returns a random value between 0 and $max.

+     *

+     * @param float $max (optional)

+     * @return float

+     */

+    public function randFloat($max = 1.0)

+    {

+        return mt_rand() / mt_getrandmax() * $max;

+    }

+

+    /**

+     * Returns a v4 UUID.

+     *

+     * @return string

+     */

+    public function uuid()

+    {

+        $arr = array_values(unpack('N1a/n4b/N1c', openssl_random_pseudo_bytes(16)));

+        $arr[2] = ($arr[2] & 0x0fff) | 0x4000;

+        $arr[3] = ($arr[3] & 0x3fff) | 0x8000;

+        return vsprintf('%08x-%04x-%04x-%04x-%04x%08x', $arr);

+    }

+}