<?php 
// save this code in your random script
include('../admin/config.php'); 
session_start();
	$randChars = array("/","|","\\",".");
	shuffle($randChars);
	$randChar = $randChars[0];
	$first = rand(1,10);
	$second = rand(1,10); 
	$captchaString = "$randChar$first+$second = ?$randChar"; 
    $_SESSION['captcha'] = $first+$second; 

$imgX = 180;
$imgY = 60;
$image = imagecreatetruecolor(180, 60);

$backgr_col = imagecolorallocate($image, 255,255,255);
$border_col = imagecolorallocate($image, 208,208,208);
$text_col = imagecolorallocate($image, 80,80,80);
$noise_color = imagecolorallocate($image, 80, 80, 80);

imagefilledrectangle($image, 0, 0, 180, 60, $backgr_col);
imagerectangle($image, 0, 0, 179, 59, $border_col);

for( $i=0; $i<($imgX*$imgY)/3; $i++ ) {
         imagefilledellipse($image, mt_rand(0,$imgX), mt_rand(0,$imgY), 1, 1, $noise_color);
}

$font = "$basepath/includes/captchaFont.ttf"; 
$font_size = 30;
$angle = rand(-6,6);
$box = imagettfbbox($font_size, $angle, $font, $captchaString);
$x = (int)($imgX - $box[4]) / 2;
$y = (int)($imgY - $box[5]) / 2;
imagettftext($image, $font_size, $angle, $x, $y, $text_col, $font, $captchaString);

header("Content-type: image/png");
imagepng($image);
imagedestroy ($image);