- substr: documentation ( source)
- ltrim: documentation ( source)
- var_dump: documentation ( source)
- strrchr: documentation ( source)
<?php
$e = '\\a\\b\\c\\d';
$e = 'asfdhjadfhj';
var_dump(strrchr($e, '\\'));
echo ltrim(substr($e, strrchr($e, '\\') || 0), '\\');