(PECL event >= 1.2.6-beta)
EventDnsBase::parseResolvConf — Scans the resolv.conf-formatted file
public EventDnsBase::parseResolvConf ( int $flags , string $filename ) : bool
Scans the resolv.conf-formatted file stored in filename, and read in all the options from it that are listed in flags
flags Determines what information is parsed from the resolv.conf file. See the man page for resolv.conf for the format of this file.
The following directives are not parsed from the file: sortlist, rotate, no-check-names, inet6, debug .
If this function encounters an error, the possible return values are:
1 = failed to open file2 = failed to stat file3 = file too large4 = out of memory5 = short read from file6 = no nameservers listed in the filefilename Path to resolv.conf file.
Returns true on success. Otherwise false.
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https://www.php.net/manual/en/eventdnsbase.parseresolvconf.php