Source for file rate.php

<?php
////////////////////////////////////////////////////////////////////////////////
//   Copyright (C) ReloadCMS Development Team                                 //
//   http://reloadcms.sf.net                                                  //
//                                                                            //
//   This program is distributed in the hope that it will be useful,          //
//   but WITHOUT ANY WARRANTY, without even the implied warranty of           //
//   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.                     //
//                                                                            //
//   This product released under GNU General Public License v2                //
////////////////////////////////////////////////////////////////////////////////
 
$writed = false;
 
function show_rate($for) {
    $arr=array();
    if (file_exists(RATE_PATH.$for)) {
        $arr = unserialize(file_get_contents(RATE_PATH.$for));
    }
    $cou=count($arr);
    $sum=0;
    foreach ($arr as $ip => $rate) {
        $sum.=$rate;
    }
    $res=0;
    $ret='<table width=100% cellspacing="0" cellpadding="0"><tr width=100%>';
    if ($cou != 0) $res = bcdiv($sum,$cou);
    $desc = __('Poor');
    if ($res == '1') $desc = __('Poor');
    if ($res == '2') $desc = __('Fair');
    if ($res == '3') $desc = __('Average');
    if ($res == '4') $desc = __('Very Good');
    if ($res == '5') $desc = __('Excelent');
    $txt='&nbsp;'.__('Rate').'('.$cou.'): '.$desc;
    for ($i=0;$i<5;$i++) {
        if ($i < $res) {
            $ret.= '<td class="rate-fill">'.$txt.'</td>';
        } else {
            $ret.= '<td class="rate-empty">'.$txt.'</td>';
        }
        $txt='&nbsp;';
    }
    $ret.='</tr></table>';
    return $ret;
}
 
function show_rate_rbox($for) {
    return '<center><form method="POST" name="'.$for.'"><input type="hidden" name="for" value="'.$for.'">'.__('Rate').':&nbsp;&nbsp;&nbsp;'.
    '<input type="radio" class = "rate-radio" name="val" value="1">'.__('Poor').'&nbsp;&nbsp;&nbsp;'.
    '<input type="radio" class = "rate-radio" name="val" value="2">'.__('Fair').'&nbsp;&nbsp;&nbsp;'.
    '<input type="radio" class = "rate-radio" name="val" value="3">'.__('Average').'&nbsp;&nbsp;&nbsp;'.
    '<input type="radio" class = "rate-radio" name="val" value="4">'.__('Very Good').'&nbsp;&nbsp;&nbsp;'.
    '<input type="radio" class = "rate-radio" name="val" value="5" checked>'.__('Excelent').'&nbsp;&nbsp;&nbsp;'.
    '<input type="submit" value="'.__('Submit').'"></form></center>';
}
 
function write_rate($for,$val,$ip) {
    global $write;
    if (!$write) {
    $arr=array();
    if (file_exists(RATE_PATH.$for)) {
        $arr = unserialize(file_get_contents(RATE_PATH.$for));
    }
    $arr[$ip] = $val;
    file_write_contents(RATE_PATH.$for, serialize($arr));
}
}
 
function check_ip ($for,$ip) {
    if (file_exists(RATE_PATH.$for)) {
        $arr = unserialize(file_get_contents(RATE_PATH.$for));
    }
    return isset($arr[$ip]);
}
 
function get_rate($for){
    $valid_post=false;
    $b_start='<div class="rate"> ';
    $b_end=' </div>';
    if (trim(rcms_parse_text($for)) != '') {
        $valid_post = true;
        $for = md5(trim(rcms_parse_text($for)));
    }
    
    $post_for = 0;
    if (isset($_POST['for'])) {
        $post_for = $_POST['for'];
    }
    
    $valid_val = 0;
    if (isset($_POST['val'])) {
        if (($_POST['val'] == '5') or ($_POST['val'] == '4') or ($_POST['val'] == '3') or ($_POST['val'] == '2') or ($_POST['val'] == '1')) {
            $valid_val = $_POST['val'];
        }
    }
 
    if (!$valid_post) {
        return $b_start.__('Rate').': '.__('Only for registered users').$b_end;
    }
    
    if (!LOGGED_IN) {
        return $b_start.show_rate($for).$b_end;;
    }
 
    if ($post_for == $for and $valid_val == 0 and $valid_post and !check_ip($for,$_SERVER['REMOTE_ADDR'])) {
        return $b_start.show_rate_rbox($for).$b_end;
    } 
 
    if ($post_for == $for and $valid_val == 0 and check_ip($for,$_SERVER['REMOTE_ADDR'])) {
        return $b_start.show_rate($for).$b_end;
    }
    
    if ($post_for == $for and $valid_val !== 0 and $valid_post and !check_ip($for,$_SERVER['REMOTE_ADDR'])) { 
        write_rate($for,$valid_val,$_SERVER['REMOTE_ADDR']);
        return $b_start.show_rate($for).$b_end;
    } 
    
    if ($post_for !== $for and $valid_post and !check_ip($for,$_SERVER['REMOTE_ADDR'])) {
        return $b_start.show_rate_rbox($for).$b_end;
    } 
 
    if ($post_for !== $for and $valid_post and check_ip($for,$_SERVER['REMOTE_ADDR'])) {
        return $b_start.show_rate($for).$b_end;
    }
    
    return $b_start.__('Rate').': '.__('Data not valid').$b_end;
}
 
?>