<?php

declare(strict_types=1);

namespace OpenTelemetry\Example;

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

use OpenTelemetry\Contrib\Zipkin\Exporter as ZipkinExporter;

use OpenTelemetry\SDK\Common\Export\Http\PsrTransportFactory;

use OpenTelemetry\SDK\Trace\SpanProcessor\SimpleSpanProcessor;

use OpenTelemetry\SDK\Trace\TracerProvider;

$transport = (new PsrTransportFactory())->create('http://zipkin:9411/api/v2/spans', 'application/json');

$zipkinExporter = new ZipkinExporter(

$transport

);

$tracerProvider = new TracerProvider(

new SimpleSpanProcessor(

$zipkinExporter

)

);

$tracer = $tracerProvider->getTracer('io.opentelemetry.contrib.php');

echo 'Starting Zipkin example';

$root = $span = $tracer->spanBuilder('root')->startSpan();

$scope = $span->activate();

for ($i = 0; $i < 3; $i++) {

// start a span, register some events

$span = $tracer->spanBuilder('loop-' . $i)->startSpan();

$span->setAttribute('remote_ip', '1.2.3.4')

->setAttribute('country', 'USA');

$span->addEvent('found_login' . $i, [

'id' => $i,

'username' => 'otuser' . $i,

]);

$span->addEvent('generated_session', [

'id' => md5((string) microtime(true)),

]);

$span->end();

}

$scope->detach();

$root->end();

echo PHP_EOL . 'Zipkin example complete! See the results at http://localhost:9411/';

echo PHP_EOL;

$tracerProvider->shutdown();