Fixed the bug at initializing parameter $actual_relative_path in find_image()

diff --git a/docs/include/vitals.inc.php b/docs/include/vitals.inc.php
index ecc6f24..ed62993 100644 (file)
--- a/docs/include/vitals.inc.php
+++ b/docs/include/vitals.inc.php
@@ -1428,6 +1428,9 @@ function find_image($image_name, $actual_relative_path = AT_INCLUDE_PATH) {
        // The returned path is determined by AT_INCLUDE_PATH. If AT_INCLUDE_PATH is undefined, return the parameter itself.
        if (!defined('AT_INCLUDE_PATH')) return $image_name;
        
+       // string concanation cannot be used at assigning parameter default value
+       if ($actual_relative_path == AT_INCLUDE_PATH) $actual_relative_path .= '../';
+       
        // remove leading "/"
        if (substr($image_name, 0, 1) == "/") $image_name = substr($image_name, 1);