- var_export: documentation ( source)
- ksort: documentation ( source)
<?php
$Vals = array(
'2.1.13' => 'c',
'1.1.2' => 'a',
'2.1.3' => 'b',
'2.11.2' => 'e',
'3.22.22' => 'f',
'4.1.1' => 'h',
'3.111.3' => 'g',
'2.2.2' => 'd',
);
ksort($Vals, SORT_NATURAL);
var_export($Vals);