validation.lib.php

<?
//check for a safe username
function safeuname($name)
{
	if (strlen($name) < 2) return FALSE;
	return preg_match("/^[a-z][a-z0-9_]*$/i", $name);
}

// Find out if a given user has a blog
function blogger ($user) {
	global $BlogDB;
	$result = $BlogDB->GetAll("select username from users where username='". $user ."'");
	if (count($result)>0) return true;
	else return false;
}

require_once($base."/lib/validation.php");
?>