"laravel eloquent relationships" Code Answer's
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laravel 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();
Source: laravel.com
laravel detach
// Detach a single role from the user...
$user->roles()->detach($roleId);
// Detach all roles from the user...
$user->roles()->detach();
Source: laravel.com
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
laravel eloquent associate
$account = App\Account::find(10);
$user->account()->associate($account);
$user->save();
Source: laravel.com
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 eloquent relationships
<?php
namespace App\Models;
use Illuminate\Database\Eloquent\Model;
class Project extends Model
{
/**
* Get all of the deployments for the project.
*/
public function deployments()
{
return $this->hasManyThrough(Deployment::class, Environment::class);
}
}
Source: laravel.com
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