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Posted by Kim Andrι Akerψ on 08/22/06 12:53
Luke - eat.lemons@gmail.com wrote:
> Rik wrote:
> > eat.lemons@gmail.com wrote:
> > > Hi all,
> > >
> > > I need to test a IP for a PTR record and display the outcome.
> > >
> > > The problem i have is i need to test with 2 vars.
> > >
> > > $host = the ip
> > > $hostmask = the hostmask
> > >
> > > How do i use 2 vars in one function so i can call it like:
> > >
> > > test_ptr($host, $hostmask)
> > >
> > > Ive tested this but cant seem to get it to work.
> > >
> > > code below. Thanks in advance
> > >
> > > function test_ptr($host) {
> > > if (strlen(gethostbyaddr($host))==
> > > strlen(gethostbyname("$hostmask"))) {
> > > $emsg = " !!Couldent find PTR Record!!";
> > > }
> > > }
> >
> > I'm not exactly sure what you're trying to do, but probably:
> >
> > function test_ptr($ip,$hostname){
> > return (trim($ip)==trim(gethostbyname($hostname)));
> > }
> > Or, alternatively, since you seem to want an error message:
> > function test_ptr($ip,$hostname){
> > $return = (bool)(trim($ip)==trim(gethostbyname($hostname)));
> > if(!$return) trigger_error("{$hostname}'s ip is not {$ip}");
> > return $return;
> > }
> >
> > Grtz,
>
> I have it working now but thanks for the response! I see how your
> script works, didn't think of doing it that way!
>
> Ps. What does the (bool) do exactly (im new to php)
It's a type cast that forces the variable to be evaluated as a boolean.
More about type casting can be found here:
http://php.net/language.types.type-juggling#language.types.typecasting
--
Kim AndrΓ© AkerΓΈ
- kimandre@NOSPAMbetadome.com
(remove NOSPAM to contact me directly)
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