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fix PHP 8.0 TypeError: array_key_exists(): Argument #2 ($array) must be of type array, null given

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This commit is contained in:
Ralf Becker 2021-11-16 08:10:39 +01:00
parent fd3cd58fab
commit 9b32bbe3f8
1 changed files with 1 additions and 1 deletions
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2
calendar/inc/class.calendar_boupdate.inc.php
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@ -638,7 +638,7 @@ class calendar_boupdate extends calendar_bo
$msg_is_response = $msg_type == MSG_REJECTED || $msg_type == MSG_ACCEPTED || $msg_type == MSG_TENTATIVE || $msg_type == MSG_DELEGATED;
// Check if user is not participating, and does not want notifications
if($msg_is_response && !$part_prefs['calendar']['receive_not_participating'] && !array_key_exists($userid, $old_event['participants']))
if ($msg_is_response && !$part_prefs['calendar']['receive_not_participating'] && !array_key_exists($userid, $old_event['participants'] ?? []))
{
return false;
}