+=item day_end TIME
+
+If the next-bill-ignore-time configuration setting is turned off, just
+returns the passed-in value.
+
+If the next-bill-ignore-time configuration setting is turned on, parses TIME
+as an integer UNIX timestamp and returns a new timestamp with the same date but
+23:59:59 for the time.
+
+=cut
+
+sub day_end {
+ my $time = shift;
+
+ my $conf = new FS::Conf;
+ return $time unless $conf->exists('next-bill-ignore-time');
+
+ my ($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst) =
+ localtime($time);
+ mktime(59,59,23,$mday,$mon,$year,$wday,$yday,$isdst);
+}
+