Use a Wordpress databse structure with Laravel

WPUserProvider.php

<?php

namespace App\Extensions;

use App\User;
use Illuminate\Support\Str;
use MikeMcLin\WpPassword\Facades\WpPassword;
use Illuminate\Auth\EloquentUserProvider;
use Illuminate\Contracts\Auth\Authenticatable;

class WPUserProvider extends EloquentUserProvider {

    /**
     * Validate a user against the given credentials.
     *
     * @param  \Illuminate\Contracts\Auth\Authenticatable  $user
     * @param  array  $credentials
     * @return bool
     */
    public function validateCredentials(Authenticatable $user, array $credentials){
        $plain = $credentials['user_pass'];
        return WpPassword::check($plain, $user->user_pass);
        // return $this->hasher->check($plain, $user->getAuthPassword());
    }

    /**
     * Retrieve a user by their unique identifier.
     *
     * @param  mixed  $identifier
     * @return \Illuminate\Contracts\Auth\Authenticatable|null
     */
    public function retrieveById($identifier)
    {
        $model = $this->createModel();

        // return $model->newQuery()->withoutGlobalScope('active')
        return $model->newQuery()
            ->where($model->getAuthIdentifierName(), $identifier)
            ->first();
    }

    /**
     * Retrieve a user by the given credentials.
     *
     * @param  array  $credentials
     * @return \Illuminate\Contracts\Auth\Authenticatable|null
     */
    public function retrieveByCredentials(array $credentials)
    {
        if (empty($credentials) ||
           (count($credentials) === 1 &&
            array_key_exists('user_pass', $credentials))) {
            return;
        }

        // First we will add each credential element to the query as a where clause.
        // Then we can execute the query and, if we found a user, return it in a
        // Eloquent User "model" that will be utilized by the Guard instances.
        // $query = $this->createModel()->newQuery()->withoutGlobalScope('active');
        $query = $this->createModel()->newQuery();

        foreach ($credentials as $key => $value) {
            if (! Str::contains($key, 'user_pass')) {
                $query->where($key, $value);
            }
        }

        return $query->first();
    }
}