HowTo.md

How To

Do Math

<?php
$int = new \SplInt(10);
$value = &$int();
$value++;

echo 'SplInt value is ' . $int();

The above example will output:

SplInt value is : 11

Concatenate

<?php
$string = new \SplString('hello ');
$value = &$string();
$value .= 'world';

echo 'SplString value is ' . $string();

The above example will output:

SplString value is : hello world