laravel detach
// Detach a single role from the user...
$user->roles()->detach($roleId);
// Detach all roles from the user...
$user->roles()->detach();
Sitio web: 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();
tiene muchos a través de laravel
class Country extends Model
{
public function posts()
{
return $this->hasManyThrough(
'App\Post',
'App\User',
'country_id', // Foreign key on users table...
'user_id', // Foreign key on posts table...
'id', // Local key on countries table...
'id' // Local key on users table...
);
}
}
when
countries
id - integer
name - string
users
id - integer
country_id - integer
name - string
posts
id - integer
user_id - integer
title - string
laravel tiene uno a través
<?php
namespace App;
use Illuminate\Database\Eloquent\Model;
class Mechanic extends Model
{
/**
* Get the car's owner.
*/
public function carOwner()
{
return $this->hasOneThrough('App\Owner', 'App\Car');
}
}
laravel tiene muchos
public function comments()
{
return $this->hasMany(Comment::class);
}
laravel tiene muchos
<?php
namespace App\Models;
use Illuminate\Database\Eloquent\Model;
class Post extends Model
{
/**
* Get the comments for the blog post.
*/
public function comments()
{
return $this->hasMany('App\Models\Comment');
}
}