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Fix web frontend crash on socket setups without DB_SERVER_PORT

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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.
This commit is contained in:
Dmitry Verkhoturov 2026-07-01 17:56:31 +00:00
parent acfd59eac4
commit cc028ed792
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1 changed files with 7 additions and 1 deletions
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8
templates/config/web/zabbix.conf.php
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@ -6,6 +6,12 @@ function env_string(string $name, string $default = ''): string {
return ($value === false) ? $default : $value; return ($value === false) ? $default : $value;
} }
function env_int(string $name, int $default = 0): int {
$value = getenv($name);
return ($value === false || $value === '') ? $default : (int) $value;
}
function env_bool(string $name, bool $default = false): bool { function env_bool(string $name, bool $default = false): bool {
$value = getenv($name); $value = getenv($name);
@ -40,7 +46,7 @@ function resolve_file(string $default_path, string $env_name): string {
$DB['TYPE'] = env_string('DB_SERVER_TYPE'); $DB['TYPE'] = env_string('DB_SERVER_TYPE');
$DB['SERVER'] = env_string('DB_SERVER_HOST'); $DB['SERVER'] = env_string('DB_SERVER_HOST');
$DB['PORT'] = env_string('DB_SERVER_PORT'); $DB['PORT'] = env_int('DB_SERVER_PORT');
$DB['DATABASE'] = env_string('DB_SERVER_DBNAME'); $DB['DATABASE'] = env_string('DB_SERVER_DBNAME');
$DB['SCHEMA'] = env_string('DB_SERVER_SCHEMA'); $DB['SCHEMA'] = env_string('DB_SERVER_SCHEMA');