root/server/wolf.php

<?php

class Wolf
{
        public $x;
        public $y;
        public $time;
        
        function __construct( $x, $y, $time )
        {
                $this->x = $x;
                $this->y = $y;
                $this->time = $time;
        }
        
        public static function __set_state( $an_array )
        {
                $obj = new Wolf( 
                                $an_array['x'],
                                $an_array['y'],
                                $an_array['time']
                        );
                return $obj;
        }
}

?>