[thelist] Form Field Validation (mySQL / PHP)?

[Jay Greenspan]

> $goodInput = false;
> if (IsSet($last_name)) $goodInput = true;
> if (IsSet($first_name)) $goodInput = true;
> if (IsSet($dept)) $goodInput = true;
> if (IsSet($title)) $goodInput = true;
> if (IsSet($phone)) $goodInput = true;
> if (IsSet($email)) $goodInput = true;
> 
> Then, just do something if $goodInput is still false after the above code
> segment.
> 
> I'm generally against accessing form values like this, but off-hand, I'm not
> sure whether the following would always report as true or not:
> 
> if (IsSet($HTTP_POST_VARS['last_name'])) ...

I think !empty() would work (assuming that zero is not a valid search
criterion).

you could put it in a function, though it might be overkill...


function is_one_not_empty($array)
{
    global $HTTP_POST_VARS;
    while(list( , $value) = each($array))
    {
        if(!empty($HTTP_POST_VARS[$value])
        {
            return TRUE;
        }
    }
    return FALSE;
}

$valid_fields = array("fname", "lname", "phone");
if(is_one_not_empty($valid_fields))
{
    //process form
} else
{
    //dont process form
}

if it's just a few of them, probably better off with Matt's way or

if(!empty($field_1) && !empty($field_2) && !empty(field_3))
{
    
}


-j