cc028ed792
env_string('DB_SERVER_PORT') returns '' when the variable is unset, and that
empty string is passed to mysqli::real_connect()'s ?int $port argument in
MysqlDbBackend::connect(), throwing a fatal TypeError under PHP 8 that breaks
every frontend page (HTTP 500) on socket / no-port setups. Regressed in the
web config redesign, which replaced getenv() (returns false -> int 0) with
env_string() (returns '').
Add an env_int() helper that maps both unset and empty to the default and
returns an int, and use it for the DB port.
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| .. | ||
| agent | ||
| agent2 | ||
| proxy | ||
| server | ||
| snmptraps | ||
| web | ||
| web_service | ||