rabbit/routes/web.php

<?php

use Illuminate\Support\Facades\Route;

Route::get('/lab', function () {


    $m = (string) "finish";
    $s = (string) $m;
    dd($m, $s);

    $message_delivery = [
        1,
        2,
    ];

    $message_mandatory = [
        1,
        0,
    ];

    $exchange_durable = [
        1,
        0,
    ];

    $exchange_type = [
        'direct',
        'fanout',
        'topic',
        'headers',
    ];

    $consumer_prefetch = [
        1,
        2,
    ];

    $consumer_ack = [
        1,
        0,
    ];

    $queue_durable = [
        1,
        0,
    ];

    $r = [];
    foreach ($message_delivery as $message_delivery_value) {
        foreach ($message_mandatory as $message_mandatory_value) {
            foreach ($exchange_durable as $exchange_durable_value) {
                foreach ($exchange_type as $exchange_type_value) {
                    foreach ($consumer_prefetch as $consumer_prefetch_value) {
                        foreach ($consumer_ack as $consumer_ack_value) {
                            foreach ($queue_durable as $queue_durable_value) {
                                $r[] = [
                                    'message_delivery_value' => $message_delivery_value,
                                    'message_mandatory_value' => $message_mandatory_value,
                                    'exchange_durable_value' => $exchange_durable_value,
                                    'exchange_type_value' => $exchange_type_value,
                                    'consumer_prefetch_value' => $consumer_prefetch_value,
                                    'consumer_ack_value' => $consumer_ack_value,
                                    'queue_durable_value' => $queue_durable_value,
                                ];
                            }
                        }
                    }
                }
            }
        }
    }

    $fp = fopen('states.csv', 'w');

    $h = [
        'message_delivery_value',
        'message_mandatory_value',
        'exchange_durable_value',
        'exchange_type_value',
        'consumer_prefetch_value',
        'consumer_ack_value',
        'queue_durable_value',
    ];

    fputcsv($fp, $h);
    foreach ($r as $fields) {
        fputcsv($fp, $fields);
    }

    fclose($fp);
});