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mt_rand

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This commit is contained in:
Claude 2012-06-09 23:22:36 +02:00
parent a92ebae59f
commit e84a1e1451
2 changed files with 10 additions and 10 deletions
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16
htdocs/application/helpers/captcha_helper.php
View File

@ -322,7 +322,7 @@ if (!function_exists('display_captcha'))
{ {
$pool = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'; $pool = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
$str = ''; $str = '';
for ($i = 0;$i < 8;$i++) for ($i = 0;$i < 4;$i++)
{ {
$str.= substr($pool, mt_rand(0, strlen($pool) - 1) , 1); $str.= substr($pool, mt_rand(0, strlen($pool) - 1) , 1);
} }
@ -335,9 +335,9 @@ if (!function_exists('display_captcha'))
// ----------------------------------- // -----------------------------------
$length = strlen($word); $length = strlen($word);
$angle = ($length >= 6) ? rand(-($length - 6) , ($length - 6)) : 0; $angle = ($length >= 6) ? mt_rand(-($length - 6) , ($length - 6)) : 0;
$x_axis = rand(6, (360 / $length) - 16); $x_axis = mt_rand(6, (360 / $length) - 16);
$y_axis = ($angle >= 0) ? rand($img_height, $img_width) : rand(6, $img_height); $y_axis = ($angle >= 0) ? mt_rand($img_height, $img_width) : mt_rand(6, $img_height);
// ----------------------------------- // -----------------------------------
// Create image // Create image
@ -408,13 +408,13 @@ if (!function_exists('display_captcha'))
if ($use_font == FALSE) if ($use_font == FALSE)
{ {
$font_size = 5; $font_size = 5;
$x = rand(0, $img_width / ($length / 3)); $x = mt_rand(0, $img_width / ($length / 3));
$y = 0; $y = 0;
} }
else else
{ {
$font_size = 16; $font_size = 16;
$x = rand(0, $img_width / ($length / 1.5)); $x = mt_rand(0, $img_width / ($length / 1.5));
$y = $font_size + 2; $y = $font_size + 2;
} }
for ($i = 0;$i < strlen($word);$i++) for ($i = 0;$i < strlen($word);$i++)
@ -422,13 +422,13 @@ if (!function_exists('display_captcha'))
if ($use_font == FALSE) if ($use_font == FALSE)
{ {
$y = rand(0, $img_height / 2); $y = mt_rand(0, $img_height / 2);
imagestring($im, $font_size, $x, $y, substr($word, $i, 1) , $text_color); imagestring($im, $font_size, $x, $y, substr($word, $i, 1) , $text_color);
$x+= ($font_size * 2); $x+= ($font_size * 2);
} }
else else
{ {
$y = rand($img_height / 2, $img_height - 3); $y = mt_rand($img_height / 2, $img_height - 3);
imagettftext($im, $font_size, $angle, $x, $y, $text_color, $font_path, substr($word, $i, 1)); imagettftext($im, $font_size, $angle, $x, $y, $text_color, $font_path, substr($word, $i, 1));
$x+= $font_size; $x+= $font_size;
} }

4
htdocs/application/views/defaults/paste_form.php
View File

@ -107,8 +107,8 @@
<label for="captcha">Spam Protection <label for="captcha">Spam Protection
<span class="instruction">Type in the characters displayed in the picture.</span> <span class="instruction">Type in the characters displayed in the picture.</span>
</label> </label>
<img class="captcha" src="<?php echo site_url('view/captcha'); ?>" alt="captcha" /> <img class="captcha" src="<?php echo site_url('view/captcha'); ?>?<?php echo date('U', mktime()); ?>" alt="captcha" width="110" height="25" />
<input value="<?php if(isset($title_set)){ echo $title_set; }?>" type="text" id="title" name="title" tabindex="2" maxlength="32" /> <input value="<?php if(isset($captcha_set)){ echo $captcha_set; }?>" type="text" id="captcha" name="captcha" tabindex="2" maxlength="32" />
</div> </div>
</div> </div>