vendor/illuminate/database/Capsule/Manager.php

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<?php

namespace Illuminate\Database\Capsule;

use PDO;
use Illuminate\Container\Container;
use Illuminate\Database\DatabaseManager;
use Illuminate\Contracts\Events\Dispatcher;
use Illuminate\Support\Traits\CapsuleManagerTrait;
use Illuminate\Database\Eloquent\Model as Eloquent;
use Illuminate\Database\Connectors\ConnectionFactory;

class Manager
{
    use CapsuleManagerTrait;

    /**
     * The database manager instance.
     *
     * @var \Illuminate\Database\DatabaseManager
     */
    protected $manager;

    /**
     * Create a new database capsule manager.
     *
     * @param  \Illuminate\Container\Container|null  $container
     * @return void
     */
    public function __construct(Container $container = null)
    {
        $this->setupContainer($container ?: new Container);

        // Once we have the container setup, we will setup the default configuration
        // options in the container "config" binding. This will make the database
        // manager work correctly out of the box without extreme configuration.
        $this->setupDefaultConfiguration();

        $this->setupManager();
    }

    /**
     * Setup the default database configuration options.
     *
     * @return void
     */
    protected function setupDefaultConfiguration()
    {
        $this->container['config']['database.fetch'] = PDO::FETCH_OBJ;

        $this->container['config']['database.default'] = 'default';
    }

    /**
     * Build the database manager instance.
     *
     * @return void
     */
    protected function setupManager()
    {