<?php namespace App\Providers; use Illuminate\Support\Arr; use Illuminate\Support\ServiceProvider; class AppServiceProvider extends ServiceProvider { /** * Register any application services. */ public function register(): void { // } /** * Bootstrap any application services. */ public function boot(): void { // Some array macros // Searching for key in nested array Arr::macro('hasNestedKey', function ($key, $array) { if (array_key_exists($key, $array)) { return true; } foreach ($array as $element) { if (is_array($element)) { return Arr::hasNestedKey($key, $element); } } return false; }); } }