ManyToMany RelationShips Products vs CategoryProducts

CatProductsManyToMany

class CreateTbPivotCatProducts extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::create('products_has_categories', function (Blueprint $table) {
            $table->increments('id');

            $table->integer('product_id')->unsigned();

            $table->foreign('product_id')->references('id')->on('products');

            $table->integer('category_product_id')->unsigned();

            $table->foreign('category_product_id')->references('id')->on('category_products');

        });
    }

    /**
     * Reverse the migrations.
     *
     * @return void
     */
    public function down()
    {
        Schema::dropIfExists('products_has_categories');