source: minimanager_/scripts/global_lib.php@ 5

<?php
/*
 * Project Name: MiniManager for Mangos Server
 * Date: 17.10.2006 inital version (0.0.1a)
 * Author: Q.SA
 * Copyright: Q.SA
 * Email: *****
 * License: GNU General Public License (GPL)
 */
 
 //global output string - hands off...
$output = "";

//to avoid Strict Standards notices in php 5.1
if (function_exists ('date_default_timezone_set') ) {
        date_default_timezone_set('UTC');
}

//##########################################################################################
//validates session's vars and restricting access to given level
function valid_login($restrict_lvl){
 if (isset($_SESSION['user_lvl']) && isset($_SESSION['user_id']) && isset($_SESSION['realm_id']) && isset($_SESSION['uname'])) {
        session_regenerate_id();
        $user_lvl = $_SESSION['user_lvl'];
        $ip = ( !empty($_SERVER['REMOTE_ADDR']) ) ? $_SERVER['REMOTE_ADDR'] : getenv('REMOTE_ADDR');
        if ($ip != $_SESSION['client_ip']) redirect("login.php");
        } else redirect("login.php");

 if ($user_lvl < $restrict_lvl) redirect("login.php?error=5");
}


//##########################################################################################
//making buttons - just to make them all look the same
function makebutton($xtext, $xlink, $xwidth) {
 global $output;
 $output .="<div><a class=\"button\" style=\"width:".$xwidth."px;\" href=\"$xlink\">$xtext</a></div>";
}

//##########################################################################################
// Fix reditection error under MS-IIS fuckedup-servers.
function redirect($url) {
 if ( strpos($_SERVER['SERVER_SOFTWARE'], 'Microsoft-IIS') === false ){
        header("Location: ".$url);
        exit();
        } else die('<meta http-equiv="refresh" content="0;URL='.$url.'" />');
}
        
//##########################################################################################
// Generate paging navigation.
// Original from PHPBB with some modifications to make them more simple
function generate_pagination($base_url, $num_items, $per_page, $start_item, $add_prevnext_text = TRUE) {
        if ( !$num_items ) return "";
        $total_pages = ceil($num_items/$per_page);
        if ( $total_pages == 1 ) {
                return "";
        }
        $on_page = floor($start_item / $per_page) + 1;
        $page_string = "";
        if ( $total_pages > 10 ) {
                $init_page_max = ( $total_pages > 3 ) ? 3 : $total_pages;
                for($i = 1; $i < $init_page_max + 1; $i++) {
                        $page_string .= ( $i == $on_page ) ? "<b>" . $i . "</b>" : "<a href=\"$base_url&amp;start=" . ( ( $i - 1 ) * $per_page )  . "\">" . $i . "</a>";
                        if ( $i <  $init_page_max ) {
                                $page_string .= ", ";
                        }
                }
                if ( $total_pages > 3 ) {
                        if ( $on_page > 1  && $on_page < $total_pages ) {
                                $page_string .= ( $on_page > 5 ) ? " ... " : ", ";
                                $init_page_min = ( $on_page > 4 ) ? $on_page : 5;
                                $init_page_max = ( $on_page < $total_pages - 4 ) ? $on_page : $total_pages - 4;

                                for($i = $init_page_min - 1; $i < $init_page_max + 2; $i++) {
                                        $page_string .= ($i == $on_page) ? "<b>" . $i . "</b>" : "<a href=\"$base_url&amp;start=" . ( ( $i - 1 ) * $per_page )  . "\">" . $i . "</a>";
                                        if ( $i <  $init_page_max + 1 ) {
                                                $page_string .= ", ";
                                        }
                                }
                                $page_string .= ( $on_page < $total_pages - 4 ) ? " ... " : ", ";
                        } 
                        else {
                                $page_string .= " ... ";
                        }
                        for($i = $total_pages - 2; $i < $total_pages + 1; $i++) {
                                $page_string .= ( $i == $on_page ) ? "<b>" . $i . "</b>"  : "<a href=\"$base_url&amp;start=" . ( ( $i - 1 ) * $per_page )  . "\">" . $i . "</a>";
                                if( $i <  $total_pages ) {
                                        $page_string .= ", ";
                                }
                        }
                }
        }
        else {
                for($i = 1; $i < $total_pages + 1; $i++) {
                        $page_string .= ( $i == $on_page ) ? "<b>" . $i . "</b>" : "<a href=\"$base_url&amp;start=" . ( ( $i - 1 ) * $per_page )  . "\">" . $i . "</a>";
                        if ( $i <  $total_pages ) {
                                $page_string .= ", ";
                        }
                }
        }
        if ( $add_prevnext_text ) {
                if ( $on_page > 1 ) {
                        $page_string = " <a href=\"$base_url&amp;start=" . ( ( $on_page - 2 ) * $per_page )  . "\">Prev</a>&nbsp;&nbsp;" . $page_string;
                }

                if ( $on_page < $total_pages ) {
                        $page_string .= "&nbsp;&nbsp;<a href=\"$base_url&amp;start=" . ( $on_page * $per_page )  . "\">Next</a>";
                }
        }
        $page_string = "Page: " . $page_string;
        return $page_string;
}


//##########################################################################################
//redirects to error page with error code
function error($err){
        //$err = addslashes($err);
        redirect("error.php?err=$err");
}


//##########################################################################################
//testing for open port
function test_port($server,$port){
 $sock = @fsockopen($server, $port, $ERROR_NO, $ERROR_STR, (float)0.7);
 if($sock){
         @fclose($sock);
         return true;
        } else return false;
}

?>