Verify Password is the same , and Update it .

if (Hash::check($request['password', $this->password))

Please go through this documentation regarding this. https://laravel.com/docs/5.7/authentication#the-user-provider-contract https://laravel.com/docs/5.7/hashing

if (Hash::check($request['password'], $user->getAuthPassword() )) {
    // The passwords match...
}

Thanks.

On Your Request

//For Exmaple ValidateOldPassword

    /**
     * Configure the validator instance.
     *
     * @param  \Illuminate\Validation\Validator  $validator
     * @return void
     */
    public function withValidator($validator)
    {
        $validator->after(function ($validator) {
            if ($this->has('old_password') && !Hash::check($this->old_password, \Auth::user()->password)) {
                $validator->errors()->add('old_password', 'كلمة المرور القديمة ليست صحيحة');
            }
        });
    }

Controller::ChangePasswordController.php
<?php
namespace App\Http\Controllers;
use Auth;
use Hash;
use Illuminate\Http\Request;

class ChangePasswordController extends Controller
{
    public function __construct()
    {
        $this->middleware('auth');
    }
    
    public function showChangePasswordForm(){
        return view('auth.changepassword');
    }
    public function changePassword(Request $request){
        if (!(Hash::check($request->get('current-password'), Auth::user()->password))) {
            // The passwords matches
            return redirect()->back()->with("error","Your current password does not matches with the password you provided. Please try again.");
        }
        if(strcmp($request->get('current-password'), $request->get('new-password')) == 0){
            //Current password and new password are same
            return redirect()->back()->with("error","New Password cannot be same as your current password. Please choose a different password.");
        }
        $validatedData = $request->validate([
            'current-password' => 'required',
            'new-password' => 'required|string|min:6|confirmed',
        ]);
        //Change Password
        $user = Auth::user();
        $user->password = bcrypt($request->get('new-password'));
        $user->save();
        return redirect()->back()->with("success","Password changed successfully !");
    }
}
---------
routes::web.php

Route::get('/changePassword','ChangePasswordController@showChangePasswordForm');
Route::post('/changePassword','ChangePasswordController@changePassword')->name('changePassword');
---------
view::changepassword.blade.php

@extends('layouts.app')
@section('content')
    <div class="container">
        <div class="row justify-content-center">
            <div class="col-md-8">
                <div class="card">
                    <div class="card-header">Change password</div>

                    <div class="card-body">
                        @if (session('error'))
                            <div class="alert alert-danger">
                                {{ session('error') }}
                            </div>
                        @endif
                        @if (session('success'))
                            <div class="alert alert-success">
                                {{ session('success') }}
                            </div>
                        @endif
                        <form class="form-horizontal" method="POST" action="{{ route('changePassword') }}">
                            @csrf

                            <div class="form-group{{ $errors->has('current-password') ? ' has-error' : '' }}">
                                <label for="new-password" class="col-md-4 control-label">Current Password</label>

                                <div class="col-md-6">
                                    <input id="current-password" type="password" class="form-control" name="current-password" required>

                                    @if ($errors->has('current-password'))
                                        <span class="help-block">
                                        <strong>{{ $errors->first('current-password') }}</strong>
                                    </span>
                                    @endif
                                </div>
                            </div>

                            <div class="form-group{{ $errors->has('new-password') ? ' has-error' : '' }}">
                                <label for="new-password" class="col-md-4 control-label">New Password</label>

                                <div class="col-md-6">
                                    <input id="new-password" type="password" class="form-control" name="new-password" required>

                                    @if ($errors->has('new-password'))
                                        <span class="help-block">
                                        <strong>{{ $errors->first('new-password') }}</strong>
                                    </span>
                                    @endif
                                </div>
                            </div>

                            <div class="form-group">
                                <label for="new-password-confirm" class="col-md-4 control-label">Confirm New Password</label>

                                <div class="col-md-6">
                                    <input id="new-password-confirm" type="password" class="form-control" name="new-password_confirmation" required>
                                </div>
                            </div>

                            <div class="form-group">
                                <div class="col-md-6 col-md-offset-4">
                                    <button type="submit" class="btn btn-primary">
                                        Change Password
                                    </button>
                                </div>
                            </div>
                        </form>
                    </div>
                </div>
            </div>
        </div>
    </div>
@endsection

Hello @kiruba , @zymawy , @BezhanSalleh , I can see that is using Hash:: Instead the bcript() . To incript my password , do I use Hash:: instead bcript as well ? is that more , or less secure than bcript() ?

@MURILO - Both are same. bcrypt() is just a helper function to hash::make() https://laravel.com/docs/5.7/helpers#method-bcrypt

Thanks.

Thanks @kiruba

The docs have a section on re-setting passwords, just follow and work an example: https://laravel.com/docs/5.7/passwords