Relationship in laravel

WhereHas site:https://laravel.com/docs/

use Illuminate\Database\Eloquent\Builder;

// Retrieve posts with at least one comment containing words like code%...
$posts = Post::whereHas('comments', function (Builder $query) {
    $query->where('content', 'like', 'code%');
})->get();

// Retrieve posts with at least ten comments containing words like code%...
$posts = Post::whereHas('comments', function (Builder $query) {
    $query->where('content', 'like', 'code%');
}, '>=', 10)->get();

Source: laravel.com

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);
}])

Source: stackoverflow.com

Eloquent relationships

$roles = App\User::find(1)->roles()->orderBy('name')->get();

Source: laravel.com

Laravel how to query belongsTo relationship

$movies = Movie::whereHas('director', function($q) {
    $q->where('name', 'great');
})->get();

Source: stackoverflow.com

Relationship in laravel

N + 1
return new SongsCollection(Song::with('album')->get());

'songs' => SongResource::collection($this->whenLoaded($this->songs))

Laravel relationship

$comment = Post::find(1)->comments()
                    ->where('title', 'foo')
                    ->first();

Source: laravel.com

Similar codes

0 vote216 views1 answer
[ERROR] InvalidArgumentException: Wrong file in C:\xampp\htdocs\magento2.4\lib\internal\Magento\Framework\Image\Adapter\Gd2.php:64 Stack trace
PHP
0 vote220 views1 answer
Laravel unique funcation
PHP
0 vote207 views1 answer
Use auth automatic login on register
PHP
0 vote230 views1 answer
Access denied for user 'accessor access'@'localhost' (using password: NO) cpanel laravel
PHP
0 vote252 views1 answer
Applying multiple order by in codeigniter
PHP CodeIgniter
4 votes210 views2 answers
Php pdo last insert id
PHP
0 vote243 views1 answer
Php ?? vs ?:
PHP
0 vote200 views2 answers
"message": "Call to a member function canNot() on null", "exception": "Symfony\\Component\\Debug\\Exception\\FatalThrowableError",
PHP
0 vote213 views1 answer
Php new PDO timeout
PHP
1 vote246 views1 answer
Twig limit text
PHP