edit

src/Database.php

@@ -1101,7 +1101,7 @@ class Database
             $value['name'] = $prefix . 'option_' . $key;
             Dever::setInput($value['name'], '', 'search_');
             $value['lang'] = $lang;
-            if (isset($search[$value['name']])) {
+            if (isset($search[$value['name']]) && $search[$value['name']]) {
                 $value['value'] = Dever::maketime($search[$value['name']]);
                 $start_value = $end_value = $value['value'];
                 if ($type == 'time' || $type == 'day' || $type == 'date') {
@@ -1124,7 +1124,7 @@ class Database
         } elseif ($eq) {
             $value['name'] = $prefix . 'option_' . $key;
             $value['lang'] = $lang;
-            if (isset($search[$value['name']])) {
+            if (isset($search[$value['name']]) && $search[$value['name']]) {
                 $value['value'] = Dever::maketime($search[$value['name']]);
                 Dever::setInput($value['name'], $value['value'], 'search_');
             }
@@ -1133,7 +1133,7 @@ class Database
             if ($start) {
                 $value['name'] = $prefix . 'option_start_' . $key;
                 $value['lang'] = '>=' . $lang;
-                if (isset($search[$value['name']])) {
+                if (isset($search[$value['name']]) && $search[$value['name']]) {
                     $value['value'] = Dever::maketime($search[$value['name']]);
                     Dever::setInput($value['name'], $value['value'], 'search_');
                 }
@@ -1143,7 +1143,7 @@ class Database
             if ($end) {
                 $value['name'] = $prefix . 'option_end_' . $key;
                 $value['lang'] = '<=' . $lang;
-                if (isset($search[$value['name']])) {
+                if (isset($search[$value['name']]) && $search[$value['name']]) {
                     $value['value'] = Dever::maketime($search[$value['name']]);
                     Dever::setInput($value['name'], $value['value'], 'search_');
                 }