On 10/28/05, Tom Rogers <trogers@xxxxxxxxxx> 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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