what does this mean

[Ninjakreborn]

"Although most numbers in PHP are entered in using decimal (base 10), you may also specify them in hexadecimal (base 16) or octal (base 8)."
what does that mean specifically.

[poirot]

It simply means you can use hex or octal in your scripts anyways. For example:

$var = 0xff;

Is the same thing as:

$var = 255

[Ninjakreborn]

thanks that might be very helpful. Thanks.