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Ensure we have an array, and there is a value.

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Resolves this warning in PHP 8.2:

Warning:  Undefined array key 0 in /usr/share/davical/inc/iSchedule.php on
  line 218
Warning:  Trying to access array offset on null in
  /usr/share/davical/inc/iSchedule.php on line 218
This commit is contained in:
Andrew Ruthven 2024-02-28 09:19:01 +13:00
parent cb2e4523f3
commit 62441f7705
1 changed files with 7 additions and 10 deletions
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17
inc/iSchedule.php
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@ -209,26 +209,22 @@ class iSchedule
$len = 3; // some country code tlds should have 3 components
if ( $this->domain == 'mycaldav' || $this->domain == 'altcaldav' )
$len = 1;
while ( count ( $parts ) >= $len )
{
$r = dns_get_record ( '_ischedules._tcp.' . implode ( '.', $parts ) , DNS_SRV );
if ($r == false)
$r = Array();
{
if (is_array($r) && count($r) > 0) {
$remote_server = $r [ 0 ] [ 'target' ];
$remote_port = $r [ 0 ] [ 'port' ];
$this->remote_ssl = true;
break;
}
if ( ! isset ( $remote_server ) )
{
$r = dns_get_record ( '_ischedule._tcp.' . implode ( '.', $parts ) , DNS_SRV );
if ($r == false)
$r = Array();
if ( 0 < count ( $r ) )
{
if ( ! isset ( $remote_server ) ) {
$r = dns_get_record ( '_ischedule._tcp.' . implode ( '.', $parts ) , DNS_SRV );
if (is_array($r) && count($r) > 0) {
$remote_server = $r [ 0 ] [ 'target' ];
$remote_port = $r [ 0 ] [ 'port' ];
break;
@ -236,6 +232,7 @@ class iSchedule
}
array_shift ( $parts );
}
if ( ! isset ( $remote_server ) )
{
if ( $this->try_anyway == true )