- var_dump: documentation ( source)
- preg_match: documentation ( source)
- str_replace: documentation ( source)
<?php
$urlKey = 'ftrcvgbhnjk-2000-4628-20.html';
$oldUrlKey = null;
if (preg_match('/^.*-[0-9]+(-[0-9]+)\.html$/', $urlKey, $matches)) {
$oldUrlKey = str_replace($matches[1], '', $urlKey);
$index[$oldUrlKey] = '----';
}
var_dump($matches);
echo $oldUrlKey;