phpStat.php

<?php
use Abrouter\Client\Config\Config;
use DI\ContainerBuilder;
use Abrouter\Client\Client;
use Abrouter\Client\Builders\StatEventBuilder;

require '/app/vendor/autoload.php';

$userId = $_SESSION['user_id'] ?? uniqid();

$containerBuilder = new ContainerBuilder();
$di = $containerBuilder->build();

/**
 * @var Client $client
 */
$client = $di->make(Abrouter\Client\Client::class); // using PHP-DI

$eventBuilder = $this->getContainer()->make(StatEventBuilder::class);

//sending button_click event as button_click+1
$client->statistics()->sendEvent(
    $eventBuilder
        ->incremental()
        ->event('button_click')
        ->setUserId($userId)
        ->build()
);

// sending purchase event with purchase amount
$client->statistics()->sendEvent(
    $eventBuilder
        ->summarize()
        ->event('purchase')
        ->setValue(30)
        ->setUserId($userId)
        ->build()
);