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  Classes of Er. Rochak Chauhan  >  AJAX Poll  >  poll.php  >  Download  
File: poll.php
Role: Application script
Content type: text/plain
Description: backend file
Class: AJAX Poll
Process a poll without reloading the poll page
Author: By
Last change:
Date: 8 years ago
Size: 1,560 bytes
 

Contents

Class file image Download
<?PHP
    define
('TIME_LIMIT'86400); //Time (in sec) after a user can vote again from a IP
    
session_start();

    if (!isset(
$_SESSION['ip'])) {
        
$_SESSION['ip'] = $_SERVER['REMOTE_ADDR'];
        
$_SESSION['start_time'] = time();
    }
    else {
        if ( (
$_SESSION['start_time'] - time()) < TIME_LIMIT) {
            die(
"ip=".$_SESSION['ip']);
        }
    }
    
/**
     * Function to increase the team counter
     *
     * @param string $team
     * 
     * @return void
     */
    
function increaseCounter($team) {
        
$score file_get_contents('includes/pollresult/'.$team.'.txt') or die("Error: Cannot read $team file.");
        
        
$score $score +1;
        
        
$fp fopen($team.'.txt''w') or die("Error: Cannot open $team file.");
        
fwrite($fp$score) or die("Error: Cannot write to $team file.");
        
fclose($fp);        
    }
    
    if (isset(
$_POST['option'])) {
        
$vote $_POST['option'];
        
        
$brazil file_get_contents('brazil.txt');
        
$england file_get_contents('england.txt');
        
$france file_get_contents('france.txt');
        
$germany file_get_contents('germany.txt');
        
        
$total = ($brazil+$germany+$france+$england);
        
        
$return "<BR /><BR />";
        
        
$return .= "&nbsp;&nbsp;Brazil: ". (int) (($brazil/$total)*100)."% <BR />";
        
$return .= "&nbsp;&nbsp;England: ". (int) (($england/$total)*100)."% <BR />";
        
$return .= "&nbsp;&nbsp;France: ". (int) (($france/$total)*100)."% <BR />";
        
$return .= "&nbsp;&nbsp;Germany: ". (int) (($germany/$total)*100)."% <BR />";        
        
        
$return .= "<BR /><BR />";
        echo 
$return;
    }
    else {
        echo 
"Internal error";
    }    
?>