update smarty library - seems to bring some performance improvement

1 files changed, 19 insertions, 7 deletions

diff --git a/library/Smarty/libs/plugins/modifier.debug_print_var.php b/library/Smarty/libs/plugins/modifier.debug_print_var.php
index 66363d253..e3971a046 100644
--- a/library/Smarty/libs/plugins/modifier.debug_print_var.php
+++ b/library/Smarty/libs/plugins/modifier.debug_print_var.php
@@ -14,26 +14,30 @@
  *
  * @author Monte Ohrt <monte at ohrt dot com>
  *
- * @param array|object $var    variable to be formatted
- * @param integer      $depth  maximum recursion depth if $var is an array
- * @param integer      $length maximum string length if $var is a string
+ * @param array|object $var     variable to be formatted
+ * @param int          $max     maximum recursion depth if $var is an array or object
+ * @param int          $length  maximum string length if $var is a string
+ * @param int          $depth   actual recursion depth
+ * @param array        $objects processed objects in actual depth to prevent recursive object processing
  *
  * @return string
  */
-function smarty_modifier_debug_print_var($var, $depth = 0, $length = 40)
+function smarty_modifier_debug_print_var($var, $max = 10, $length = 40, $depth = 0, $objects = array())
 {
     $_replace = array("\n" => '<i>\n</i>',
                       "\r" => '<i>\r</i>',
                       "\t" => '<i>\t</i>'
     );
-
     switch (gettype($var)) {
         case 'array' :
             $results = '<b>Array (' . count($var) . ')</b>';
+            if ($depth == $max) {
+                break;
+            }
             foreach ($var as $curr_key => $curr_val) {
                 $results .= '<br>' . str_repeat('&nbsp;', $depth * 2)
                     . '<b>' . strtr($curr_key, $_replace) . '</b> =&gt; '
-                    . smarty_modifier_debug_print_var($curr_val, ++$depth, $length);
+                    . smarty_modifier_debug_print_var($curr_val, $max, $length, ++ $depth, $objects);
                 $depth --;
             }
             break;
@@ -41,10 +45,18 @@ function smarty_modifier_debug_print_var($var, $depth = 0, $length = 40)
         case 'object' :
             $object_vars = get_object_vars($var);
             $results = '<b>' . get_class($var) . ' Object (' . count($object_vars) . ')</b>';
+            if (in_array($var, $objects)) {
+                $results .= ' called recursive';
+                break;
+            }
+            if ($depth == $max) {
+                break;
+            }
+            $objects[] = $var;
             foreach ($object_vars as $curr_key => $curr_val) {
                 $results .= '<br>' . str_repeat('&nbsp;', $depth * 2)
                     . '<b> -&gt;' . strtr($curr_key, $_replace) . '</b> = '
-                    . smarty_modifier_debug_print_var($curr_val, ++$depth, $length);
+                    . smarty_modifier_debug_print_var($curr_val, $max, $length, ++ $depth, $objects);
                 $depth --;
             }
             break;