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functions.php
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<?php
define("get","get");
define("post","post");
define("session","session");
function get_header($title) {
$return = <<<HTXT
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=utf-8">
<meta name="generator" content="PSPad editor, www.pspad.com">
<link rel="stylesheet" media="screen,projection" type="text/css" href="main.css">
<title>$title - Redirecter {$GLOBALS['version']}</title>
</head>
<body>
HTXT;
return $return;
}
function get_footer(){
return "</body></html>";
}
function write_login() {
?>
<div class="login">
<h1><div style="text-align: center;">Redirecter
<?php
echo($GLOBALS['version']);
?>
</div></h1><br>
<h2>Heslo:</h2>
<form method="post" action="admin.php?action=login">
<input type="password" name="pass"><br><br>
<input type="submit" value="Přihlásit">
</form>
</div>
<?php
}
function redirect($location){
Header("Location: $location");
}
function connect(){
mysql_connect($GLOBALS['sql']['server'],$GLOBALS['sql']['user'],$GLOBALS['sql']['pass']);
mysql_select_db($GLOBALS['sql']['db']);
}
function rand_chars() {//Function by php.vrana.net, thanks!
$count = 16;
$chars = 36;
$return = "";
for ($i=0; $i < $count; $i++) {
$rand = mt_rand(0, $chars - 1);
$return .= chr($rand + ($rand < 10 ? ord('0') : ($rand < 36 ? ord('a') - 10 : ord('A') - 36)));
}
return $return;
}
function var_exists($array,$names){
if(is_array($names)){
for($i=0;$i<count($names);$i++){
switch($array){
case "get":
if(!isset($_GET[$names[$i]])) return 0;
break;
case "post":
if(!isset($_POST[$names[$i]])) return 0;
break;
case "session":
if(!isset($_SESSION[$names[$i]])) return 0;
break;
}
}
}
else {
switch($array){
case "get":
if(!isset($_GET[$names])) return 0;
break;
case "post":
if(!isset($_POST[$names])) return 0;
break;
case "session":
if(!isset($_SESSION[$names])) return 0;
break;
}
};
return 1;
}
function var_notnull($array,$names) {
if(!var_exists($array,$names)) return 0;
if(is_array($names)){
for($i=0;$i<count($names);$i++){
switch($array){
case "get":
if($_GET[$names[$i]]==null) return 0;
break;
case "post":
if($_POST[$names[$i]]==null) return 0;
break;
case "session":
if($_SESSION[$names[$i]]==null) return 0;
break;
}
}
}
else {
switch($array){
case "get":
if($_GET[$names]==null) return 0;
break;
case "post":
if($_POST[$names]==null) return 0;
break;
case "session":
if($_SESSION[$names]==null) return 0;
break;
}
};
return 1;
}
function get_error($e = null){
if(empty($e)){
if(!isset($_GET['e']))return null;
$e = $_GET['e'];
}
$error = "<div class=\"error\"><b>Chyba při vykonávání skriptu:</b><br>";
switch($e){
//INSTALLATION ERRORS:
case 301:
$error .= "Nevyplnili jste všechny povinná pole!";
break;
case 302:
$error .= "Nelze se spojit s databází!";
$error .= get_mysql_error();
break;
case 303:
$error .= "Vámi zadaná databáze neexistuje!";
$error .= get_mysql_error();
break;
case 304:
$error .= "Soubor settings.php není zapisovatelný!<br>Změňte prosím jeho práva tak, aby byl zapisovatelný!";
break;
case 305:
$error .= "Vámi používaná verze PHP (" . phpversion() . ") není podporovaná!<br>
Upgradujte prosím Vaši instalaci PHP na minimální verzi 4.2.0 (doporučená verze je 5.2.x nebo 5.3.x) !";
break;
case 399:
$error .= install_get_error();
break;
}
$error .= "</div><br>";
return $error;
}
function get_mysql_error() {
$error = "";
if(var_notnull(session,"mysql_error")){
$error = "<br>MySQL hlásí:\"".$_SESSION['mysql_error']."\"";
}
return $error;
}
function post_to_session($data){
if(var_exists(post,$data)){
if(!(is_array($data))){
$_SESSION[$data] = $_POST[$data];
}
else {
for($i=0;$i<count($data);$i++){
$_SESSION[$data[$i]] = $_POST[$data[$i]];
}
}
}
}
function check_install(){
if(isset($GLOBALS['instal'])){
redirect("install.php");
exit();
}
}
?>