phpeveryday.com

The code like this:

switch($_GET['action']){
  case 'saveData':
    saveData();
	break;
  default:
    readData();
	break;
}

Below, complete code for polling.php:

<?
$file_data = "polling.txt";
$cookie_duration = 360;
$cookie_title = 'text_poll_1';

// prepare no cache
header("Expires: Mon, 01 Jan 1990 00:00:00 GMT");
header("Last-Modified: ". gmdate("D, d M Y h:i:s") . " GMT");
header("Cache-Control: no-store, no-cache, must-revalidate");
header("Cache-Control: post-check=0; pre-check=0", false);
header("Pragma: no-cache");

function readData(){
  global $file_data;
  
  $fp = file($file_data);
  
  while(list($line, $value) = each($fp)){
    print "&" . eregi_replace("\r\n","",$value);
  }
    
}

function saveData(){
  global $file_data;
  
  
  if(number_format($_GET['num']) < 1) die("registered=false");
  
  // open file
  $fp_array 	= file($file_data);
  $fp 			= fopen($file_data,"r+");

  $temp_string 	= "";
  
  // read file
  foreach($fp_array as $key => $value){
    // extract each lines
	$line 	=	explode('=', $value); 
	$name 	= 	$line[0];
	$val	= 	eregi_replace("\r\n","",$line[1]);
	
	// if as votes
	if(substr($name,0,5)=='votes'){
	  $val	= 	(int)eregi_replace("\r\n","",$line[1]);
	  $match=	(int)(substr($name,5,2));

	  // if the index same as choice, add 1
	  if($match == $_GET['num']){
	    $val++;
	  }
	}
	
	// write this line
	$temp_string .= $name."=".$val."\r\n";
  }

  fwrite($fp, $temp_string);
  fclose($fp);  
}
switch($_GET['action']){
  case 'saveData':
    saveData();
	break;
  default:
    readData();
	break;
}
?>