- var_dump: documentation ( source)
<?php
$version = [];
$version['1.1.0.0'] = ['history' => 'Menu rendering now supports Custom Objects'];
$version['1.2.0.0'] = ['history' => 'Currency Management and Grid Improvements'];
$version['1.2.1.0'] = ['history' => 'Add new extension type for enhance sub menu features'];
$version['1.3.0.0'] = ['history' => 'Notification System extended + Request new password by Email'];
//var_dump($version);
$version = [];
$version[] = ['major' => 'history1'];
$version[] = ['minor' => 'history2'];
$version[] = ['patch' => 'history3'];
$version[] = ['build' => 'history4'];
var_dump($version);