On 10/28/05, Tom Rogers <[EMAIL PROTECTED]> wrote:
>
> I would do it with a small class like this:
>
> <?php
> class mac{
>   var $mac='';
>   var $is_valid = false;
>   function mac($mac){
>     $mac = preg_replace('/[^0-9A-F]/','',strtoupper($mac));
>     if($this->is_valid = 
> preg_match('/^(\w{2})(\w{2})(\w{2})(\w{2})(\w{2})(\w{2})$/',$mac,$parts)){
>       array_shift($parts); //lose the first bit
>       $this->mac = implode(':',$parts);
>     }
>   }
> }
>
> //test
> $mac_list = 
> array("00-aa-11-bb-22-cc","00:aa:11:bb:22:cc","zz:00:11:22:ff:xx","00 aa 11 
> bb 22 cc");
>
> foreach($mac_list as $mac){
>   $mactest = new mac($mac);
>   echo "In:$mac";
>   if($mactest->is_valid){
>     echo " valid $mactest->mac\n";
>   }else{
>     echo " NOT valid\n";
>   }
> }

$mactest  = new mac("there are a few gotchas for anyone using this");
print $mactest->is_valid ? "valid\n" : "invalid\n";

// valid

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