pfSense

Fix PHP Warning about invalid argument supplied for foreach

If _POST['members'] or _POST['groups'] is not set / none selected at GUI, it would give a warning on crash reporter (dev versions)

(cherry picked from commit 9f4722022f0e8114741e8cf1a421520fded8be1f)

Do not allow deleting your own user name

Currently if you delete your own user name, then the config ends up with a blank user tag in it. Rather than fix that up, it seems dangerous to be able to delete yourself anyway, because if you are the last user with admin privs for which you know the password (i.e. if you have not recorded the password for "admin" somewhere), then you can lock yourself out. That would require console access to fix, which for some people is a pain....

function name hms -> dhms

to match edit to util.inc
(cherry picked from commit c57e936a6596550619f7261e85b633ca5016cbf2)

Add "delete entry" for ARP table

Useful function in some circumstances - seems no reason not to have it.

Uses IP rather than hostname since not all ARP entries have hostnames.

Probably should also have "delete all" but not done that.
(cherry picked from commit 6ea0d41e3c094a0977e7f0d022ec74276280b8ff)

Fix NTP PPS. It had 'None' option available on 2.2.x.

(cherry picked from commit ceabd66d57f7199602d3a23cb8a60080bcfa67ea)

Fix "Unable to remove NTP GPS from configuration"

https://forum.pfsense.org/index.php?topic=112771.msg627573
(cherry picked from commit 55de528cbb177b4a1f40554ad1a567198bbeebb3)

redundant check - is_numericint() tests for >= 0
(cherry picked from commit f208e9690e2ec4089cf3d3fe5f5f03fed5a36e6f)

fix logic and replace hard coded value by global

backups should be a numeric int.
text hint for number of backups can now refer to the global value for this platform (and explains how to get that default, by leaving blank)
(cherry picked from commit 16b17c15f9fc29e9480431b5bc7bebe2bd4b6230)

Give settings section a more helpful/standard title to match other GUI settings tabs
(cherry picked from commit ca55edc39342865816feef390616be8b770c889b)

Self correcting - poor english
(cherry picked from commit b56769c30a23af9f575ee4a5f056558ef8322f95)