Merge branch 'master' into PHP8-Testing

2020-10-01 11:30:58 +02:00 · 2020-10-01 11:30:58 +02:00 · b44eb85b9f
parent 7d05e0557c 43db94e94f
commit b44eb85b9f
1 changed files with 1 additions and 1 deletions
--- a/src/PhpSpreadsheet/Calculation/DateTime.php
+++ b/src/PhpSpreadsheet/Calculation/DateTime.php
@ -489,7 +489,7 @@ class DateTime
            if ($yearFound) {
                array_unshift($t1, 1);
            } else {
-                if ($t1[1] > 29) {
+                if (is_numeric($t1[1]) && $t1[1] > 29) {
                    $t1[1] += 1900;
                    array_unshift($t1, 1);
                } else {