<?php

class GrandParentContext
{
    public $grand_parent_id = 'grand_parent1';
    public $parent_contexts = array();

    public function __construct()
    {
        $this->parent_contexts[] = array('parent_id' => 'parent1', 'child_contexts' => array(
            array('child_id' => 'parent1-child1'),
            array('child_id' => 'parent1-child2')
        ));

        $parent2 = new stdClass();
        $parent2->parent_id = 'parent2';
        $parent2->child_contexts = array(
            array('child_id' => 'parent2-child1'),
            array('child_id' => 'parent2-child2')
        );

        $this->parent_contexts[] = $parent2;
    }
}