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Edit File: RegisterProviders.php

<?php

namespace Illuminate\Foundation\Bootstrap;

use Illuminate\Contracts\Foundation\Application;
use Illuminate\Support\ServiceProvider;

class RegisterProviders
{
    /**
     * The service providers that should be merged before registration.
     *
     * @var array
     */
    protected static $merge = [];

/**
     * The path to the bootstrap provider configuration file.
     *
     * @var string|null
     */
    protected static $bootstrapProviderPath;

/**
     * Bootstrap the given application.
     *
     * @param  \Illuminate\Contracts\Foundation\Application  $app
     * @return void
     */
    public function bootstrap(Application $app)
    {
        if (! $app->bound('config_loaded_from_cache') ||
            $app->make('config_loaded_from_cache') === false) {
            $this->mergeAdditionalProviders($app);
        }

$app->registerConfiguredProviders();
    }

/**
     * Merge the additional configured providers into the configuration.
     *
     * @param  \Illuminate\Foundation\Application  $app
     */
    protected function mergeAdditionalProviders(Application $app)
    {
        if (static::$bootstrapProviderPath &&
            file_exists(static::$bootstrapProviderPath)) {
            $packageProviders = require static::$bootstrapProviderPath;

foreach ($packageProviders as $index => $provider) {
                if (! class_exists($provider)) {
                    unset($packageProviders[$index]);
                }
            }
        }

$app->make('config')->set(
            'app.providers',
            array_merge(
                $app->make('config')->get('app.providers') ?? ServiceProvider::defaultProviders()->toArray(),
                static::$merge,
                array_values($packageProviders ?? []),
            ),
        );
    }

/**
     * Merge the given providers into the provider configuration before registration.
     *
     * @param  array  $providers
     * @param  string|null  $bootstrapProviderPath
     * @return void
     */
    public static function merge(array $providers, ?string $bootstrapProviderPath = null)
    {
        static::$bootstrapProviderPath = $bootstrapProviderPath;

static::$merge = array_values(array_filter(array_unique(
            array_merge(static::$merge, $providers)
        )));
    }

/**
     * Flush the bootstrapper's global state.
     *
     * @return void
     */
    public static function flushState()
    {
        static::$bootstrapProviderPath = null;

static::$merge = [];
    }
}

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