laravel create model
# The easiest way to create a model instance is using the
# make:model Artisan command:
php artisan make:model Flight
# If you would like to generate a database migration when you
# generate the model, you may use the --migration or -m option:
php artisan make:model Flight --migration
php artisan make:model Flight -mlaravel where has
use Illuminate\Database\Eloquent\Builder;
// Retrieve posts with at least one comment containing words like foo%...
$posts = App\Post::whereHas('comments', function (Builder $query) {
$query->where('content', 'like', 'foo%');
})->get();
// Retrieve posts with at least ten comments containing words like foo%...
$posts = App\Post::whereHas('comments', function (Builder $query) {
$query->where('content', 'like', 'foo%');
}, '>=', 10)->get();how to use where relationship laravel
Event::with(["owner", "participants" => function($q) use($someId){
$q->where('participants.IdUser', '=', 1);
//$q->where('some other field', $someId);
}])one to many laravel
For example, a blog post may have an infinite number of comments. And a single
comment belongs to only a single post
class Post extends Model
{
public function comments()
{
return $this->hasMany('App\Models\Comment');
}
}
class Comment extends Model
{
public function post()
{
return $this->belongsTo('App\Models\Post');
}
}associate laravel
When updating a belongsTo relationship, you may use the associate method. This
method will set the foreign key on the child model:
$account = App\Account::find(10);
$user->account()->associate($account);
$user->save();
When removing a belongsTo relationship, you may use the dissociate method. This
method will set the relationship foreign key to null:
$user->account()->dissociate();
$user->save();laravel create on model
$user = User::create([
'first_name' => 'Taylor',
'last_name' => 'Otwell',
'title' => 'Developer',
]);
$user->title = 'Painter';
$user->isDirty(); // true
$user->isDirty('title'); // true
$user->isDirty('first_name'); // false
$user->isClean(); // false
$user->isClean('title'); // false
$user->isClean('first_name'); // true
$user->save();
$user->isDirty(); // false
$user->isClean(); // trueCopyright © 2021 Codeinu
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