<?php
require_once 'File/SMBPasswd.php';

// delete user mbretter
$fh = new File_SMBPasswd('/usr/local/private/smbpasswd');
$fh->load();
$status = $fh->delUser('mbretter');
if (PEAR::isError($status)) {
    // handle errors
} else {
    $fh->save();
}

?>