<?php
// src/Model/Entity/Article.php
namespace App\Model\Entity;

use Cake\ORM\Entity;

class Cat extends Entity
{
    protected $_accessible = [
        '*' => true,
    ];

}

<?php
// src/Model/Entity/Article.php
namespace App\Model\Entity;

use Cake\ORM\Entity;

class Dog extends Entity
{
    protected $_accessible = [
        '*' => true,
    ];

}

<?php
// src/Model/Entity/Article.php
namespace App\Model\Entity;

use Cake\ORM\Entity;

class Dog extends Entity
{
    protected $_accessible = [
        '*' => true,
    ];

}

<?php
namespace App\Model\Table;

use App\Model\Entity\Cat;
use Cake\ORM\Table;
use Cake\ORM\Query;
use Cake\ORM\RulesChecker;
use Cake\ORM\Validation\Validator;



class CatsTable extends Table
{
    public function initialize(array $config)
    {

        $this->addBehavior('Timestamp');


        $this->hasMany('DogsCats',[
            'foreignKey'=>'cat_id',
        ]);
    }


}

<?php

namespace App\Model\Table;

use App\Model\Entity\Dog;
use Cake\ORM\Table;
use Cake\ORM\Query;
use Cake\ORM\RulesChecker;
use Cake\ORM\Validation\Validator;

class DogsTable extends Table
{
    public function initialize(array $config)
    {
        $this->addBehavior('Timestamp');

        $this->hasMany('DogsCats',[
            'foreignKey'=>'dog_id'
        ]);
    }


}

<?php
namespace App\Model\Table;

use App\Model\Entity\DogsCat;
use Cake\ORM\Table;
use Cake\ORM\Query;
use Cake\ORM\RulesChecker;
use Cake\ORM\Validation\Validator;



class DogsCatsTable extends Table
{
    public function initialize(array $config)
    {
        $this->addBehavior('Timestamp');


       $this->belongsTo('Dogs', [
            'foreignKey' => 'id',
            'joinType'=>'INNER'
        ]);

        $this->belongsTo('Cats', [
            'foreignKey' => 'id',
            'joinType'=>'INNER'
        ]);



    }


}

<?php

namespace App\Controller;
use App\Controller\AppController;

class DogsCatsController extends AppController
{
    public function initialize()
    {
        parent::initialize();

        $this->loadComponent('Paginator');
        $this->loadComponent('Flash');
    }

    public function index()
    {

     $result = $this->DogsCats->find('all')->contain(['Dogs','Cats']);
     $this->set('farms',$result);


    }

    public function add()
    {

    }


}