- substr: documentation ( source)
- var_export: documentation ( source)
- max: documentation ( source)
- preg_replace: documentation ( source)
<?php
$str = "234 567 some text following";
$start = 3;
var_export(
preg_replace(
'/\D*$/',
'',
substr($str, max($start, 1) - 1)
)
);