First version, support for sending mail not yet implemented.

vendor/gregwar/captcha/demo/fingerprint.php

@@ -0,0 +1,12 @@
+<?php
+
+require_once __DIR__.'/../vendor/autoload.php';
+
+use Gregwar\Captcha\CaptchaBuilder;
+
+echo count(CaptchaBuilder::create()
+    ->build()
+    ->getFingerprint()
+);
+
+echo "\n";