Re: 0.0.0.0 & iplong()

[Matijn Woudt <tijnema@xxxxxxxxx>]

On Mon, Jun 4, 2012 at 6:54 PM, jas <jason.gerfen@xxxxxxxxx> wrote:
> Not sure if this is a bug or not...
>
> I have run into an error when performing a conditional using iplong() and
> the ~ bitwise operator
>
> $ip = '0.0.0.0';
> $mask = '24';
>
> $end = (ip2long($ip) || (~ip2long($mask))) + 1;
>
> PHP Fatal error:  Unsupported operand types
>
> I even tried to typecast the mask to (int)
>

The error is probably not where you suspect it to be. ip2long will
return false for ip2long($mask), because $mask is not a valid IP
address. The ~ operator is not supported for false.

- Matijn

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