first commit

wp-content/plugins/pixelyoursite/includes/class-event-id-generator.php

@@ -0,0 +1,14 @@
+<?php
+namespace PixelYourSite;
+
+final class EventIdGenerator {
+
+    public static function guidv4() {
+        $data = openssl_random_pseudo_bytes(16);
+
+        $data[6] = chr(ord($data[6]) & 0x0f | 0x40); // set version to 0100
+        $data[8] = chr(ord($data[8]) & 0x3f | 0x80); // set bits 6-7 to 10
+
+        return vsprintf('%s%s-%s-%s-%s-%s%s%s', str_split(bin2hex($data), 4));
+    }
+}