www.mikescher.com/www/internals/base.php

<?php if(count(get_included_files()) ==1) exit("Direct access not permitted.");

global $CONFIG;
$CONFIG = require 'config.php';

function startsWith($haystack, $needle)
{
	$length = strlen($needle);
	return (substr($haystack, 0, $length) === $needle);
}

function endsWith($haystack, $needle)
{
	$length = strlen($needle);
	return $length === 0 || (substr($haystack, -$length) === $needle);
}

function httpError($errorcode, $message)
{
	die($message);//TODO errorcode
}

function destructiveUrlEncode($str) {
	$str = str_replace(' ', '_', $str);
	$str = str_replace('+', '_', $str);
	$str = str_replace('.', '', $str);
	return urlencode($str);
}