Restriction

57class Restriction58{59    /**60     * Relationship ('allow'/'deny')61     *62     * @var string63     * @see get_relationship()64     */65    public $relationship;66 67    /**68     * Type of restriction69     *70     * @var string71     * @see get_type()72     */73    public $type;74 75    /**76     * Restricted values77     *78     * @var string79     * @see get_value()80     */81    public $value;82 83    /**84     * Constructor, used to input the data85     *86     * For documentation on all the parameters, see the corresponding87     * properties and their accessors88     */89    public function __construct($relationship = null, $type = null, $value = null)90    {91        $this->relationship = $relationship;92        $this->type = $type;93        $this->value = $value;94    }95 96    /**97     * String-ified version98     *99     * @return string100     */101    public function __toString()102    {103        // There is no $this->data here104        return md5(serialize($this));105    }106 107    /**108     * Get the relationship109     *110     * @return string|null Either 'allow' or 'deny'111     */112    public function get_relationship()113    {114        if ($this->relationship !== null) {115            return $this->relationship;116        }117 118        return null;119    }120 121    /**122     * Get the type123     *124     * @return string|null125     */126    public function get_type()127    {128        if ($this->type !== null) {129            return $this->type;130        }131 132        return null;133    }134 135    /**136     * Get the list of restricted things