PrometheusExporter.php

<?php

namespace App;

class PrometheusExporter {

    public static function CaptchaShown() {
        $registry = \Prometheus\CollectorRegistry::getDefault();
        $counter = $registry->getOrRegisterCounter('metager', 'captcha_shown', 'counts how often the captcha was shown', []);
        $counter->inc();
    }

    public static function CaptchaCorrect() {
        $registry = \Prometheus\CollectorRegistry::getDefault();
        $counter = $registry->getOrRegisterCounter('metager', 'captcha_correct', 'counts how often the captcha was solved correctly', []);
        $counter->inc();
    }

    public static function CaptchaAnswered() {
        $registry = \Prometheus\CollectorRegistry::getDefault();
        $counter = $registry->getOrRegisterCounter('metager', 'captcha_answered', 'counts how often the captcha was answered', []);
        $counter->inc();
    }

}