testing/MCTXWeb/public_html/users/models/captcha.php

   1 <?php\r
   2 /*\r
   3 UserCake Version: 2.0.2\r
   4 http://usercake.com\r
   5 */\r
   6 session_start();\r
   7 $md5_hash = md5(rand(0,99999)); \r
   8 $security_code = substr($md5_hash, 25, 5); \r
   9 $enc = md5($security_code);\r
  10 $_SESSION['captcha'] = $enc;\r
  11 \r
  12 $width = 150;\r
  13 $height = 30; \r
  14 \r
  15 $image = ImageCreate($width, $height);  \r
  16 $white = ImageColorAllocate($image, 255, 255, 255);\r
  17 $black = ImageColorAllocate($image, 0, 0, 0);\r
  18 $grey = ImageColorAllocate($image, 200, 200, 200);\r
  19 \r
  20 ImageFill($image, 0, 0, $white); \r
  21 ImageString($image, 10, 5, 0, $security_code, $black); \r
  22 \r
  23 header("Content-Type: image/png"); \r
  24 ImagePng($image);\r
  25 ImageDestroy($image);\r
  26 \r
  27 ?>\r