Extra field: Fix search options BT#18899

main/inc/lib/extra_field.lib.php

@@ -3124,7 +3124,18 @@ JAVASCRIPT;
         $tagRelExtraTable = Database::get_main_table(TABLE_MAIN_EXTRA_FIELD_REL_TAG);
         $tagTable = Database::get_main_table(TABLE_MAIN_TAG);
         $optionsTable = Database::get_main_table(TABLE_EXTRA_FIELD_OPTIONS);
-        $value = Database::escape_string(implode("','", $options));
+
+        $cleanOptions = [];
+        foreach ($options as $option) {
+            $cleanOptions[] = Database::escape_string($option);
+        }
+        $cleanOptions = array_filter($cleanOptions);
+
+        if (empty($cleanOptions)) {
+            return [];
+        }
+
+        $value = implode("','", $cleanOptions);
 
         $sql = "SELECT DISTINCT t.*, v.value, o.display_text
                 FROM $tagRelExtraTable te