1<?php
2
3function assertCli()
4{
5    if (php_sapi_name() != 'cli' && !getenv('PHP_IS_CLI')) {
6        echo 'Script cannot be called from web-browser (if you are indeed calling via cli,
7set environment variable PHP_IS_CLI to work around this).';
8        exit(1);
9    }
10}
11
12function prefix_is($comp, $subject)
13{
14    return strncmp($comp, $subject, strlen($comp)) === 0;
15}
16
17function postfix_is($comp, $subject)
18{
19    return strlen($subject) < $comp ? false : substr($subject, -strlen($comp)) === $comp;
20}
21
22// Load useful stuff like FSTools
23require_once dirname(__FILE__) . '/../extras/HTMLPurifierExtras.auto.php';
24
25// vim: et sw=4 sts=4
26