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Posted by RaTT on 01/21/05 18:50
Hi,
From what i can see you dont even need to call global, as your passing
variables to the function ? this could be causing the script to
confuse itself.
hth
On Fri, 21 Jan 2005 09:30:21 -0700, Jason <jason.gerfen@scl.utah.edu> wrote:
> Jason wrote:
> > Simple functions to check & fix if necessary invalid formating of a MAC
> > address... I seem to be having problems with the global variable $mac
> > not being returned from the fix_mac() function. Any help is appreciated.
> >
> > <?php
> > /*
> > * ex. 00:AA:11:BB:22:CC
> > */
> > function chk_mac( $mac ) {
> global $mac;
> > if( eregi(
> > "^[0-9A-Fa-f]{2}\:[0-9A-Fa-f]{2}\:[0-9A-Fa-f]{2}\:[0-9A-Fa-f]{2}\:[0-9A-Fa-f]{2}\:[0-9A-Fa-f]{2}$",
> > $mac ) ) {
> > return 0;
> > } else {
> > return 1;
> > }
> > }
> >
> > /*
> > * check validity of MAC & do replacements if necessary
> > */
> > function fix_mac( $mac ) {
> > global $mac;
> > /* strip the dash & replace with a colon */
> > if( eregi(
> > "^[0-9A-Fa-f]{2}\-[0-9A-Fa-f]{2}\-[0-9A-Fa-f]{2}\-[0-9A-Fa-f]{2}\-[0-9A-Fa-f]{2}\-[0-9A-Fa-f]{2}$",
> > $mac ) ) {
> > $mac = preg_replace( "/\-/", ":", $mac );
> > return $mac;
> > }
> > /* add a colon for every two characters */
> > if( eregi( "^[0-9A-Fa-f]{12}$", $mac ) ) {
> > /* split up the MAC and assign new var names */
> > @list( $mac1, $mac2, $mac3, $mac4, $mac5, $mac6 ) = @str_split( $mac,
> > 2 );
> > /* put it back together with the required colons */
> > $mac = $mac1 . ":" . $mac2 . ":" . $mac3 . ":" . $mac4 . ":" . $mac5 .
> > ":" . $mac6;
> > return $mac;
> > }
> > }
> >
> > // do our checks to make sure we are using these damn things right
> > $mac1 = "00aa11bb22cc";
> > $mac2 = "00-aa-11-bb-22-cc";
> > $mac3 = "00:aa:11:bb:22:cc";
> >
> > // make sure it is global
> > global $mac;
> >
> > // if mac submitted is invalid check & fix if necessary
> > if( chk_mac( $mac1 ) != 0 ) {
> > $mac = fix_mac( $mac1 ); echo $mac1 . " converted to " . $mac . "<br>";
> > }
> > if( chk_mac( $mac2 ) != 0 ) {
> > $mac = fix_mac( $mac2 ); echo $mac2 . " converted to " . $mac . "<br>";
> > }
> > if( chk_mac( $mac3 ) != 0 ) {
> > $mac = fix_mac( $mac3 ); echo $mac3 . " converted to " . $mac . "<br>";
> > }
> >
> > ?>
> Still does not resolve the problem. declaring $mac as global in the
> chk_mac() function.
>
> --
> Jason Gerfen
> Student Computing
> Marriott Library
> 801.585.9810
> jason.gerfen@scl.utah.edu
>
> "And remember... If the ladies
> don't find you handsome, they
> should at least find you handy..."
> ~The Red Green show
>
> --
> PHP General Mailing List (http://www.php.net/)
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>
>
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