Using Blackfire’s PHP SDK to profile a Laravel app.

Install the package:

#https://github.com/blackfireio/php-sdk
composer require blackfire/php-sdk

after install, create a middleware and add register that middleware and apply into the desired routes

'blackfire' => \App\Http\Middleware\BlackfireProfiler::class,

<?php

namespace App\Http\Middleware;

use Blackfire\ClientConfiguration;
use Closure;
use Illuminate\Http\Request;
use Symfony\Component\HttpFoundation\Response;
use Blackfire\Client;
use Blackfire\Profile\Configuration;

class BlackfireProfiler
{
    public function handle(Request $request, Closure $next): Response
    {
        $currentPath = trim($request->path(), '/');

        if (!filter_var(config('services.blackfire.enabled'), FILTER_VALIDATE_BOOLEAN)) {
            return $next($request);
        }

        if (!config('services.blackfire.client_id') || !config('services.blackfire.client_token')) {
            return $next($request);
        }

        $probe = null;
        $blackfire = null;

        try {
            $ClientConfig = new ClientConfiguration(config('services.blackfire.client_id'), config('services.blackfire.client_token'), config('services.blackfire.environment'));
            $blackfire = new Client($ClientConfig);

            $config = new \Blackfire\Profile\Configuration();
            $config->setTitle('Profile SDK for: ' . $currentPath);
            $config->setMetadata('full-url', $request->fullUrl());
            $probe = $blackfire->createProbe($config);
        } catch (\Exception $e) {
            \Log::error($e);
        }

        $response = $next($request);

        try {
            if ($blackfire && $probe) {
                $blackfire->endProbe($probe);
            }
        } catch (\Exception $e) {
            \Log::error($e);
        }

        return $response;
    }
}