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+<?php

+

+session_start();

+define("_BASEDIR", "../");

+include("../config.php");

+unset($_SESSION[$sitekey.'_digit']);

+

+$image = imagecreate(140, 40);

+

+$white    = imagecolorallocate($image, 0xFF, 0xFF, 0xFF);

+$gray    = imagecolorallocate($image, 0xC0, 0xC0, 0xC0);

+$darkgray = imagecolorallocate($image, 0x50, 0x50, 0x50);

+$black = imagecolorallocate($image, 0x00, 0x00, 0x00);

+

+

+srand((double)microtime()*1000000);

+unset($digit, $cnum);

+

+

+function rgb_rand($min=0,$max=255) {

+$color['r'] = mt_rand($min,$max);

+$color['g'] = mt_rand($min,$max);

+$color['b'] = mt_rand($min,$max);

+return $color;

+}

+

+/* Build the list of fonts */

+

+putenv('GDFONTPATH=' . realpath('.'));

+

+$folder=dir("cFonts/"); //The directory where your fonts reside

+

+while($font=$folder->read()) {

+  if(stristr($font,'.ttf')) $fontList[] = "cFonts/".$font;

+}

+

+$folder->close();

+

+for ($i = 0; $i < 5; $i++) {

+$cnum[$i] = rand(0,9);

+$rC = rgb_rand(0, 175);

+$rColors[$i] = imagecolorallocate($image, $rC['r'], $rC['g'], $rC['b']);

+

+for ($x = 0; $x < 2; $x++) {

+  $x1 = rand(0,140);

+  $y1 = rand(0,40);

+  $x2 = rand(0,140);

+  $y2 = rand(0,40);

+  imageline($image, $x1, $y1, $x2, $y2 , $rColors[$i]);  

+}

+

+}

+

+/* generate random dots in background */

+for( $i=0; $i<(140*40)/3; $i++ ) {

+  imagefilledellipse($image, mt_rand(0,140), mt_rand(0,40), 1, 1, $gray);

+}

+

+

+for ($i = 0; $i < 5; $i++) {

+ $x = $x + mt_rand(16, 24);

+ $y = mt_rand(26, 32); 

+ $angle = mt_rand(-15, 15);

+ $c = $ccolor[$i];

+ $fnt = mt_rand(0, sizeof($fontList) - 1);

+ $colori = $rColors[$i];

+ imagettftext($image, mt_rand(20, 24), $angle,  $x, $y, $colori, $fontList[$fnt], $cnum[$i]); 

+

+}

+

+

+$digit = "$cnum[0]$cnum[1]$cnum[2]$cnum[3]$cnum[4]";

+

+$_SESSION[$sitekey.'_digit'] = md5($sitekey.$digit);

+

+header("Expires: Tue, 11 Jun 1985 05:00:00 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");

+header('Content-type: image/png');

+imagepng($image);

+imagedestroy($image);

+

+exit( );

+?> 

+