class.ilAssQuestionAssignedSkillList.php

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<?php
/* Copyright (c) 1998-2013 ILIAS open source, Extended GPL, see docs/LICENSE */
 
class ilAssQuestionAssignedSkillList implements Iterator
{
        protected $skills = array();
        
        public function addSkill($skillBaseId, $skillTrefId)
        {
                $this->skills[] = "{$skillBaseId}:{$skillTrefId}";
        }
        
        public function skillsExist()
        {
                return (bool)count($this->skills);
        }
        
        public function current()
        {
                return current($this->skills);
        }
        
        public function next()
        {
                return next($this->skills);
        }
        
        public function key()
        {
                $res = key($this->skills);
                return $res;
        }
        
        public function valid()
        {
                $res = key($this->skills);
                return $res !== null;
        }
        
        public function rewind()
        {
                return reset($this->skills);
        }
        
        public function sleep()
        {
                return array('skills');
        }
        
        public function wakeup()
        {
                // TODO: Implement __wakeup() method.
        }
}