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-rw-r--r--engine/lib/entities.php5
1 files changed, 4 insertions, 1 deletions
diff --git a/engine/lib/entities.php b/engine/lib/entities.php
index dbb5ee695..daced6740 100644
--- 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;
}