<?php
require 'Struct.php';

// define a struct
$struct1 = Struct::factory('var1', 'var2');
 
// create 2 variables of the 'struct1' type
$instance0 = $struct1->create('val0-1', 'val0-2');
$instance1 = $struct1->create('val1-1', 'val1-2');
$instance2 = $struct1->create('val2-1'); // var2 will be null
 
// use the variables later on in a readable manner
echo $instance1->var2;