(PECL event >= 1.2.6-beta)
EventDnsBase::loadHosts — Loads a hosts file (in the same format as /etc/hosts) from hosts file
$hosts
Loads a hosts file (in the same format as /etc/hosts ) from hosts file.
/etc/hosts
hosts
Path to the hosts' file.
成功时返回 true， 或者在失败时返回 false。
true
false
