per_roles_migration.php

<?php

use Illuminate\Database\Migrations\Migration;

class CreatePersRolesTable extends Migration {

	/**
	 * Run the migrations.
	 *
	 * @return void
	 */
	public function up()
	{
		//Schema::drop('pers_roles');
		Schema::create('pers_roles',function($table){
			$table->integer('per_id')->unsigned();
			$table->integer('role_id')->unsigned();
			$table->foreign('role_id')->references('id')->on('roles')->onDelete('cascade');;
			$table->foreign('per_id')->references('id')->on('pers')->onDelete('cascade');;
			$table->unique(array('per_id','role_id'));
		});
	}

	/**
	 * Reverse the migrations.
	 *
	 * @return void
	 */
	public function down()
	{
		Schema::drop('pers_roles');
	}

}