Make sure to not pass null to DateTime::createFromFormat

Signed-off-by: Côme Chilliet <come.chilliet@nextcloud.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/apps/workflowengine/lib/Check/RequestTime.php b/apps/workflowengine/lib/Check/RequestTime.php
index b7a2f725451..be28f8ead15 100644
--- a/apps/workflowengine/lib/Check/RequestTime.php
+++ b/apps/workflowengine/lib/Check/RequestTime.php
@@ -109,12 +109,12 @@ class RequestTime implements ICheck {
 		}
 
 		$values = json_decode($value, true);
-		$time1 = \DateTime::createFromFormat('H:i e', $values[0]);
+		$time1 = \DateTime::createFromFormat('H:i e', (string)$values[0]);
 		if ($time1 === false) {
 			throw new \UnexpectedValueException($this->l->t('The given start time is invalid'), 3);
 		}
 
-		$time2 = \DateTime::createFromFormat('H:i e', $values[1]);
+		$time2 = \DateTime::createFromFormat('H:i e', (string)$values[1]);
 		if ($time2 === false) {
 			throw new \UnexpectedValueException($this->l->t('The given end time is invalid'), 4);
 		}