sprintf("%04x", $x)

[powers]

%x is hexadecimal representation
but what is %04x?

this function is outputing the value of $x as what?

so if x=234sd
what should the ouput be?

how about x=2234?

thanks.

[thorpe]

what should the ouput be?

Why not try it and see?

[powers]

i dont have php, i'm converting some php and want to know how it works.. if on one can/will answer then i will have to install php on something i suppose...

[thorpe]

You could always read the manual.