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-rw-r--r--system/helpers/captcha_helper.php6
1 files changed, 5 insertions, 1 deletions
diff --git a/system/helpers/captcha_helper.php b/system/helpers/captcha_helper.php
index 83783324b..78e255a15 100644
--- a/system/helpers/captcha_helper.php
+++ b/system/helpers/captcha_helper.php
@@ -93,7 +93,7 @@ if ( ! function_exists('create_captcha'))
// Do we have a "word" yet?
// -----------------------------------
- if ($word === '')
+ if (empty($word))
{
$pool = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
$word = '';
@@ -102,6 +102,10 @@ if ( ! function_exists('create_captcha'))
$word .= $pool[mt_rand(0, $mt_rand_max)];
}
}
+ elseif ( ! is_string($word))
+ {
+ $word = (string) $word;
+ }
// -----------------------------------
// Determine angle and position