- var_dump: documentation ( source)
- strrchr: documentation ( source)
<?php
//$test = str_replace('-150wi', '', 'http://marriott2.typepad.com/.a/6a0128763ee05d970c01a511f170d1970c-150wi');
$test = strrchr('http://marriott2.typepad.com/.a/6a0128763ee05d970c01a511f170d1970c-150wi', '-');
var_dump($test);