Answers for "how to define multiple primary key in laravel 8"

laravel eloquent multiple primary key

protected $primaryKey = ['user_id', 'stock_id'];
public $incrementing = false;

multiple primary key defined laravel

public function up()
{
    Schema::create('spins', function (Blueprint $table) {
        $table->engine = 'MyISAM';
        $table->integer('rid')->unsigned();
        $table->bigInteger('pid');
        $table->integer('result');
        $table->integer('bet');
        $table->timestamps();
        $table->primary(array('rid', 'pid'));

        DB::statement('ALTER TABLE spins MODIFY rid INTEGER NOT NULL AUTO_INCREMENT');
    });
}