Does this type of error handling code look familiar?

function doFunction($var) {
        if(is_numeric($var)) {
                /* do some stuff*/
        } else {
                return -1;
        }
}

BLEH. How ugly is that? There’s no indication whether -1 is actually an error or a valid return value, or what it means. And other functions might use false to indicate errors so there’s inconsistency. So I’ve written a very simple function to help you give meaningful PHP error messages.
Read the rest of this entry »