Fix #656 add font_size in create_captcha()
diff --git a/system/helpers/captcha_helper.php b/system/helpers/captcha_helper.php
index 5d023b2..8c2cfa4 100644
--- a/system/helpers/captcha_helper.php
+++ b/system/helpers/captcha_helper.php
@@ -71,6 +71,7 @@
'font_path' => '',
'expiration' => 7200,
'word_length' => 8,
+ 'font_size' =>16,
'pool' => '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ',
'colors' => array(
'background' => array(255,255,255),
@@ -193,13 +194,13 @@
$use_font = ($font_path !== '' && file_exists($font_path) && function_exists('imagettftext'));
if ($use_font === FALSE)
{
- $font_size = 5;
+ $font_size = $font_size>5?5:$font_size;
$x = mt_rand(0, $img_width / ($length / 3));
$y = 0;
}
else
{
- $font_size = 16;
+ $font_size = $font_size>30?30:$font_size;
$x = mt_rand(0, $img_width / ($length / 1.5));
$y = $font_size + 2;
}