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.
    }
}