Setting business hours can cause PHP errors #4980
Description
Hi Guys,
if you enable the new feature I see a large number of PHP errors in the cacti log.
2022-10-27 09:22:51 - CMDPHP PHP ERROR NOTICE Backtrace: (/graph_json.php[159]:rrdtool_function_graph(), /lib/rrd.php[2293]:add_business_hours(), /lib/rrd.php[3968]:mktime(), CactiErrorHandler())
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2022-10-27 09:22:51 - ERROR PHP NOTICE: A non well formed numeric value encountered in file: /var/www/html/cacti/lib/rrd.php on line: 3968
2022-10-27 09:22:51 - CMDPHP PHP ERROR NOTICE Backtrace: (/graph_json.php[159]:rrdtool_function_graph(), /lib/rrd.php[2293]:add_business_hours(), /lib/rrd.php[3967]:mktime(), CactiErrorHandler())
2022-10-27 09:22:51 - ERROR PHP NOTICE: A non well formed numeric value encountered in file: /var/www/html/cacti/lib/rrd.php on line: 3967
2022-10-27 09:22:51 - CMDPHP PHP ERROR NOTICE Backtrace: (/graph_json.php[159]:rrdtool_function_graph(), /lib/rrd.php[2293]:add_business_hours(), /lib/rrd.php[3968]:mktime(), CactiErrorHandler())
2022-10-27 09:22:51 - ERROR PHP NOTICE: A non well formed numeric value encountered in file: /var/www/html/cacti/lib/rrd.php on line: 3968
2022-10-27 09:22:51 - CMDPHP PHP ERROR NOTICE Backtrace: (/graph_json.php[159]:rrdtool_function_graph(), /lib/rrd.php[2293]:add_business_hours(), /lib/rrd.php[3967]:mktime(), CactiErrorHandler())
2022-10-27 09:22:51 - ERROR PHP NOTICE: A non well formed numeric value encountered in file: /var/www/html/cacti/lib/rrd.php on line: 3967
2022-10-27 09:22:51 - CMDPHP PHP ERROR NOTICE Backtrace: (/graph_json.php[159]:rrdtool_function_graph(), /lib/rrd.php[2293]:add_business_hours(), /lib/rrd.php[3951]:mktime(), CactiErrorHandler())
2022-10-27 09:22:51 - ERROR PHP NOTICE: A non well formed numeric value encountered in file: /var/www/html/cacti/lib/rrd.php on line: 3951
2022-10-27 09:22:51 - CMDPHP PHP ERROR NOTICE Backtrace: (/graph_json.php[159]:rrdtool_function_graph(), /lib/rrd.php[2293]:add_business_hours(), /lib/rrd.php[3950]:mktime(), CactiErrorHandler())
2022-10-27 09:22:51 - ERROR PHP NOTICE: A non well formed numeric value encountered in file: /var/www/html/cacti/lib/rrd.php on line: 3950
Thanks a lot.