AbleObject.php

<?php namespace Tilmeld\Entities;

class AbleObject extends \Nymph\Entity {
  public function grant($ability) {
    if (!in_array($ability, $this->abilities)) {
      return $this->abilities = array_merge([$ability], $this->abilities);
    }
    return true;
  }

  public function revoke($ability) {
    if (in_array($ability, $this->abilities)) {
      return $this->abilities =
        array_values(array_diff($this->abilities, [$ability]));
    }
    return true;
  }
}