47 lines
1.4 KiB
PHP
47 lines
1.4 KiB
PHP
<?php
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declare(strict_types=1);
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require __DIR__ . '/../vendor/autoload.php';
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use OpenTelemetry\Sdk\Trace\Attributes;
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use OpenTelemetry\Sdk\Trace\Clock;
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use OpenTelemetry\Sdk\Trace\Sampler\AlwaysOffSampler;
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use OpenTelemetry\Sdk\Trace\SamplingResult;
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use OpenTelemetry\Sdk\Trace\TracerProvider;
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use OpenTelemetry\Trace as API;
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$sampler = new AlwaysOffSampler();
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$samplingResult = $sampler->shouldSample(
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null,
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md5((string) microtime(true)),
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substr(md5((string) microtime(true)), 16),
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'io.opentelemetry.example',
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API\SpanKind::KIND_INTERNAL
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);
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if (SamplingResult::RECORD_AND_SAMPLED === $samplingResult->getDecision()) {
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$tracer = (new TracerProvider())
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->getTracer('io.opentelemetry.contrib.php');
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// start a span, register some events
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$span = $tracer->startAndActivateSpan('session.generate');
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$span->setAttribute('remote_ip', '1.2.3.4');
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$span->setAttribute('country', 'USA');
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$timestamp = Clock::get()->timestamp();
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$span->addEvent('found_login', $timestamp, new Attributes([
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'id' => 12345,
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'username' => 'otuser',
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]));
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$span->addEvent('generated_session', $timestamp, new Attributes([
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'id' => md5((string) microtime(true)),
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]));
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$span->end(); // pass status as an optional argument
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print_r($span); // print the span as a resulting output
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} else {
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echo PHP_EOL . 'Sampling is not enabled';
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}
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echo PHP_EOL;
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