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1 <?php
2 session_start();
3 create_image();
4 exit();
5
6 function create_image()
7 {
8
9 $md5_hash = md5(rand(0,999));
10 $security_code = substr($md5_hash, 15, 5);
11 $_SESSION["security_code"] = $security_code;
12 $width = 100;
13 $height = 25;
14 $image = ImageCreate($width, $height);
15 $white = ImageColorAllocate($image, 255, 255, 255);
16 $black = ImageColorAllocate($image, 0, 0, 0);
17 ImageFill($image, 0, 0, $black);
18 ImageString($image, 5, 30, 6, $security_code, $white);
19 header("Content-Type: image/jpeg");
20 ImageJpeg($image);
21 ImageDestroy($image);
22 }
23 ?>
2 session_start();
3 create_image();
4 exit();
5
6 function create_image()
7 {
8
9 $md5_hash = md5(rand(0,999));
10 $security_code = substr($md5_hash, 15, 5);
11 $_SESSION["security_code"] = $security_code;
12 $width = 100;
13 $height = 25;
14 $image = ImageCreate($width, $height);
15 $white = ImageColorAllocate($image, 255, 255, 255);
16 $black = ImageColorAllocate($image, 0, 0, 0);
17 ImageFill($image, 0, 0, $black);
18 ImageString($image, 5, 30, 6, $security_code, $white);
19 header("Content-Type: image/jpeg");
20 ImageJpeg($image);
21 ImageDestroy($image);
22 }
23 ?>
