How to sort versioning info

Question

What\'s the right way, to handle versioning indicators like 2.4 or 2.4.0.9 etc. to get the ability of sorting versions.

PHP says, that

Answer 1

PHP has a version_compare function. Use usort to sort it. Like following. :)

$a = array('2.4','2.3.4','2.4.0.9');
usort($a, 'version_compare');