searchanddisplace-core/app/Listeners/AnalyzeOperationPerformance.php

<?php

namespace App\Listeners;

use Illuminate\Contracts\Queue\ShouldQueue;
use Illuminate\Queue\InteractsWithQueue;
use Illuminate\Support\Carbon;
use Illuminate\Support\Facades\Redis;

class AnalyzeOperationPerformance
{
    /**
     * Create the event listener.
     *
     * @return void
     */
    public function __construct()
    {
        //
    }

    /**
     * Handle the event.
     *
     * @param  object  $event
     * @return void
     */
    public function handle($event)
    {
        $redis = Redis::connection();

        $directoryPath = $redis->get('analyze_performance_path');
        $startedAt = $redis->get('analyze_performance_time');

        if ( ! $directoryPath || ! $startedAt) {
            return;
        }

        $endedAt = Carbon::now()->format('U');

        $data = 'Time elapsed in seconds: ' . ($endedAt - $startedAt) . "\n";

        file_put_contents($directoryPath . '/sd_analyze_performance.txt', $data);
    }
}