- var_export: documentation ( source)
- explode: documentation ( source)
- preg_replace: documentation ( source)
<?php
$examples = [
'Sep 04-08',
'Sep 29-Oct 01',
];
$result = [];
foreach ($examples as $example) {
var_export(
explode('-', preg_replace('/^(\D{4})\d{2}-\K(?=\d)/', '$1', $example))
);
echo "\n";
}