2. At the end of the execution of the following script, which values will be stored in the $a->my_value array?

<?php
class my_class
{
var $my_value = array();
function my_class ($value)
{
$this->my_value[] = $value;
}
function set_value ($value)
{
$this->$my_value= $value;
}
}
$a = new my_class ( a );
$a->my_value[] = b ;
$a->set_value ( c );
$a->my_class( d );
?>