Developer moradi-morteza

## blade.php
// in file template user
<html>
    <body>
        @yield('header')
        @yield('content')
        @yield('footer')
    </body>
</html>
// then in your second file view-one.blade.php
@extends('template')

## gete_policy.php
$user=auth()->user();
$post=Post::where('user_id',1)->first();
$allow=\Gate::allows('update-post',$post); // not need to send user it use current logined user
// if user not logined allow is false

// if you want to user another user for check a gate
$allow=\Gate::forUser(User::find(2))->allows('update-post',$post);


if($allow){

## event.php
php artisan make:event RegisterUser // this event actioned


// in class EventServiceProvider
protected $listen =[

  Registered::class=>[
  	SendEmailVerificationNotification::class,
  ],
  RegisterUser::class=>[

## model.php
$post = new Post();
$post->title = "hello";
$post->des = "des"
$post->save();
// if send extra data that is not in table it give you error


//---------------------------

## database.php
// if you want to connect in certain database use
DB::connection('name_of_connection_in_database.config');
DB::connection('mysql')->getPdo(); // return an object pdo
// if you not mention name of connection it by default use env connection name like
DB::table('posts'); // in env its set by default mysql (mysqli in this file its just a name 'drive' is importent
 'connections' => [

        'sqlite' => [
            'driver' => 'sqlite',
            'url' => env('DATABASE_URL'),

## session.php
// set session----------------------
session()->put('name','morteza');// or
session(['name'=>'hamid','age'=>23]);

// to get session
echo session()->get('name'); //or
echo session('name','default');

// check session---------------------
session('name',null);

## response.php
// response should be an object(should be have toString method) or string or array , it can not be a boolean
// if you return an array laravel by default convert it to json

retrun ["name"=>"ali","age"=>25];
// laravel prefer response
return response('hello',201,[
	'SAMPLE_HEADER'=>'VALUE'
]);

return response('hello',201)->header('second_header','salam');

## middelware.php
//php artisan down - CheckForMaintenanceMode Middleware in Kernel.php is an example of middleware
// middle ware should be define in Kernel.php
// it can be effect in whole website or just certain route
// you can run middle ware in constructor method of controller
// in counstrucor method you can use (only) and (except) method to say meddle ware affect in what method
// 2 type of middleware exist 1:befor 2:after

## routing.php


php artisan route:list // show all list of routes

//orginal ---------------------------------------
Route::get('/','HomeController@index');

//without method name ----------------------------
// if you not mention name of method so you should use __invoke():
Route::get('/{name}','HomeController');

## relation.php
// belongs to - one to one - one to many - many to mayn

class PostModel extends Model
{
    protected $fillable =['title','des','user_id'];
    public function user(){
        return $this->belongsTo(User::class);
//        return User::findOrFail($this->user_id);
    }
}
	// in file template user
	<html>
	<body>
	@yield('header')
	@yield('content')
	@yield('footer')
	</body>
	</html>
	// then in your second file view-one.blade.php
	@extends('template')
	$user=auth()->user();
	$post=Post::where('user_id',1)->first();
	$allow=\Gate::allows('update-post',$post); // not need to send user it use current logined user
	// if user not logined allow is false

	// if you want to user another user for check a gate
	$allow=\Gate::forUser(User::find(2))->allows('update-post',$post);


	if($allow){
	php artisan make:event RegisterUser // this event actioned


	// in class EventServiceProvider
	protected $listen =[

	Registered::class=>[
	SendEmailVerificationNotification::class,
	],
	RegisterUser::class=>[
	$post = new Post();
	$post->title = "hello";
	$post->des = "des"
	$post->save();
	// if send extra data that is not in table it give you error




	//---------------------------
	// if you want to connect in certain database use
	DB::connection('name_of_connection_in_database.config');
	DB::connection('mysql')->getPdo(); // return an object pdo
	// if you not mention name of connection it by default use env connection name like
	DB::table('posts'); // in env its set by default mysql (mysqli in this file its just a name 'drive' is importent
	'connections' => [

	'sqlite' => [
	'driver' => 'sqlite',
	'url' => env('DATABASE_URL'),
	// set session----------------------
	session()->put('name','morteza');// or
	session(['name'=>'hamid','age'=>23]);

	// to get session
	echo session()->get('name'); //or
	echo session('name','default');

	// check session---------------------
	session('name',null);
	// response should be an object(should be have toString method) or string or array , it can not be a boolean
	// if you return an array laravel by default convert it to json

	retrun ["name"=>"ali","age"=>25];
	// laravel prefer response
	return response('hello',201,[
	'SAMPLE_HEADER'=>'VALUE'
	]);

	return response('hello',201)->header('second_header','salam');
	//php artisan down - CheckForMaintenanceMode Middleware in Kernel.php is an example of middleware
	// middle ware should be define in Kernel.php
	// it can be effect in whole website or just certain route
	// you can run middle ware in constructor method of controller
	// in counstrucor method you can use (only) and (except) method to say meddle ware affect in what method
	// 2 type of middleware exist 1:befor 2:after


	php artisan route:list // show all list of routes

	//orginal ---------------------------------------
	Route::get('/','HomeController@index');

	//without method name ----------------------------
	// if you not mention name of method so you should use __invoke():
	Route::get('/{name}','HomeController');
	// belongs to - one to one - one to many - many to mayn

	class PostModel extends Model
	{
	protected $fillable =['title','des','user_id'];
	public function user(){
	return $this->belongsTo(User::class);
	// return User::findOrFail($this->user_id);
	}
	}