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https://forum.netgate.com/topic/180950/error-on-pfblockerng-inc-5310-pfblockerng-devel-3-2-0_5

[20-Jun-2023 00:16:58 Europe/Paris] PHP Fatal error:  Uncaught TypeError: Cannot access offset of type string on string in /usr/local/pkg/pfblockerng/pfblockerng.inc:5310
Stack trace:
#0 /usr/local/pkg/pfblockerng/pfblockerng.inc(5534): pfb_collect_localhosts()
#1 /usr/local/pkg/pfblockerng/pfblockerng.inc(1031): pfb_daemon_filterlog()
#2 {main}
  thrown in /usr/local/pkg/pfblockerng/pfblockerng.inc on line 5310
[20-Jun-2023 12:16:41 Europe/Paris] PHP Fatal error:  Uncaught TypeError: Cannot access offset of type string on string in /usr/local/pkg/pfblockerng/pfblockerng.inc:5310
Stack trace:
#0 /usr/local/pkg/pfblockerng/pfblockerng.inc(5534): pfb_collect_localhosts()
#1 /usr/local/pkg/pfblockerng/pfblockerng.inc(1031): pfb_daemon_filterlog()
#2 {main}
  thrown in /usr/local/pkg/pfblockerng/pfblockerng.inc on line 5310

Workaround:

--- /usr/local/pkg/pfblockerng/pfblockerng.inc.orig     2023-07-06 11:33:35.239744000 +0300
+++ /usr/local/pkg/pfblockerng/pfblockerng.inc  2023-07-06 10:45:05.421579000 +0300
@@ -5307,7 +5307,7 @@

        // Collect static DHCP hostnames/IPs
        foreach (config_get_path('dhcpd', []) as $dhcp) {
-               if (is_array($dhcp['staticmap'])) {
+               if (isset($dhcp['staticmap']) && is_array($dhcp['staticmap'])) {
                        foreach ($dhcp['staticmap'] as $smap) {
                                $local_hosts[$smap['ipaddr']] = strtolower("{$smap['hostname']}");
                        }