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#5672

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git-svn-id: file:///svn/phpbb/trunk@6687 89ea8834-ac86-4346-8a33-228a782c2dd0
This commit is contained in:
David M 2006-11-28 13:44:21 +00:00
parent a538fb2a9e
commit 4308f5e8a5
1 changed files with 3 additions and 1 deletions
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4
phpBB/includes/captcha/captcha_gd.php
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@ -70,6 +70,7 @@ class captcha
// fill with noise or grid // fill with noise or grid
if ($config['captcha_gd_noise']) if ($config['captcha_gd_noise'])
{ {
$chars_allowed = array_merge(range('1', '9'), range('A', 'Z'));
// random characters in background with random position, angle, color // random characters in background with random position, angle, color
for ($i = 0 ; $i < 72; $i++) for ($i = 0 ; $i < 72; $i++)
{ {
@ -78,9 +79,10 @@ class captcha
$x = mt_rand(0, 360); $x = mt_rand(0, 360);
$y = mt_rand(0, (int)($this->height - ($size / 5))); $y = mt_rand(0, (int)($this->height - ($size / 5)));
$color = $func2($image, mt_rand(160, 224), mt_rand(160, 224), mt_rand(160, 224)); $color = $func2($image, mt_rand(160, 224), mt_rand(160, 224), mt_rand(160, 224));
$text = chr(mt_rand(45, 250)); $text = $chars_allowed[array_rand($chars_allowed)];
imagettftext($image, $size, $angle, $x, $y, $color, $this->get_font(), $text); imagettftext($image, $size, $angle, $x, $y, $color, $this->get_font(), $text);
} }
unset($chars_allowed);
} }
else else
{ {