PHP code example of temporal / open-telemetry-interceptors

1. Go to this page and download the library: Download temporal/open-telemetry-interceptors library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php. 
    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

temporal / open-telemetry-interceptors example snippets


use OpenTelemetry\API\Trace\Propagation\TraceContextPropagator;
use OpenTelemetry\SDK\Trace;
use Temporal\OpenTelemetry\Interceptor\OpenTelemetryActivityInboundInterceptor;
use Temporal\OpenTelemetry\Interceptor\OpenTelemetryWorkflowClientCallsInterceptor;
use Temporal\OpenTelemetry\Interceptor\OpenTelemetryWorkflowOutboundRequestInterceptor;
use Temporal\Interceptor\SimplePipelineProvider;

// Create a span processor
$spanProcessor = (new Trace\SpanProcessorFactory())->create(
    (new Trace\ExporterFactory())->create(),
);

// Create a tracer provider
$tracerProvider = new Trace\TracerProvider($spanProcessor);

// Create a tracer which wraps the OpenTelemetry tracer
$tracer = new Temporal\OpenTelemetry\Tracer(
    // Pass a unique name for your application
    $tracerProvider->getTracer('My super app'),
    TraceContextPropagator::getInstance(),
);

// Configure the interceptor pipeline
$provider = new SimplePipelineProvider([
    new OpenTelemetryActivityInboundInterceptor($tracer),
    new OpenTelemetryWorkflowClientCallsInterceptor($tracer),
    new OpenTelemetryWorkflowOutboundRequestInterceptor($tracer),
]);


// Add interceptors to the workflow client
$client = new Temporal\Client\WorkflowClient(
    ..., 
    interceptorProvider: $provider
);

// Add interceptors to the worker
$worker = new WorkerFactory(
   ...,
   pipelineProvider: $provider
);