Avoid warning.

kohler · Feb 12, 2024 · d5c70cd · d5c70cd
1 parent 00e10be
commit d5c70cd
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/confinvariants.php b/src/confinvariants.php
@@ -63,7 +63,7 @@ private function invariant_error($abbrev, $text = null, $no_row_text = null) {
             $text = $abbrev;
         }
         $vs = [];
-        foreach ($this->irow as $t) {
+        foreach ($this->irow ?? [] as $t) {
             $t = $t ?? "<null>";
             if (!is_usascii($t)) {
                 $t = bin2hex($t);