improve create_captcha logging

1 files changed, 7 insertions, 1 deletions

diff --git a/system/helpers/captcha_helper.php b/system/helpers/captcha_helper.php
index 94365adb5..ca9b86540 100644
--- a/system/helpers/captcha_helper.php
+++ b/system/helpers/captcha_helper.php
@@ -99,13 +99,19 @@ if ( ! function_exists('create_captcha'))
 
 		if ( ! extension_loaded('gd'))
 		{
+			log_message('error', 'create_captcha(): GD extension is not loaded.');
 			return FALSE;
 		}
 
 		if ($img_url !== '' OR $img_path !== '')
 		{
-			if ($img_path === '' OR $img_url === '' OR ! is_dir($img_path) OR ! is_really_writable($img_path))
+			if ($img_path === '' OR $img_url === '')
 			{
+				log_message('error', 'create_captcha(): "img_path" and "img_url" are required.');
+				return FALSE;
+			} elseif ( ! is_dir($img_path) OR ! is_really_writable($img_path))
+			{
+				log_message('error', "create_captcha(): '$img_path' is not a dir, nor it's writable.");
 				return FALSE;
 			}