Zabbix

A.F....... [DEV-1385] changed minimum supported version of PHP to 7.2

* commit '9c61d17f197580ad355f78365a69b6ec58fa0988':
  ..F....... [DEV-1385] added additional check for minimum required PHP version
  ..F....... [DEV-1385] fixed coding style
  ..F....... [DEV-1385] fixed wrong parameter being passed to json_encode()
  ..F....... [DEV-1385] made minor fixes
  ..F....... [DEV-1385] marked function zbx_objectValues() as deprecated
  A.F....... [DEV-1385] reverted remove of function zbx_objectValues() in e1f3952
  ..F....... [DEV-1385] fixed places where CJs and CJson being used after merge from master
  ..F....... [DEV-1385] reverted stub gettext functions removed in 0d6c28e
  A.F....... [DEV-1385] made minor code improvements
  .......... [DEV-1385] fixed PHPDoc
  ..F....... [DEV-1385] removed unused functions jsRedirect() and encodeValues()
  ..F....... [DEV-1385] removed classes CJson and CJs in favour of native PHP functions json_encode(), json_decode() and json_last_error()
  A.F....... [DEV-1385] removed function zbx_objectValues() and replaced all occurences with native PHP function array_column()
  ..F....... [DEV-1385] changed minimum supported version of PHP to 7.2