#4187 (get_entity optimization)

diff --git a/engine/lib/entities.php b/engine/lib/entities.php
index dbb5ee69557b6a1323d64edd33d5074b0a95cf60..daced6740e3f0276c1ca111cedb5f4fb6a4976c9 100644 (file)
--- a/engine/lib/entities.php
+++ b/engine/lib/entities.php
@@ -669,7 +669,10 @@ function get_entity($guid) {
        static $newentity_cache;
        $new_entity = false;
 
-       if (!is_numeric($guid)) {
+       // We could also use: if (!(int) $guid) { return FALSE }, 
+       // but that evaluates to a false positive for $guid = TRUE.
+       // This is a bit slower, but more thorough.
+       if (!is_numeric($guid) || $guid === 0 || $guid === '0') {
                return FALSE;
        }