Object Orientated Problem

satyricon

I've written a user account object, and I already have a construct that create the user, but with that object I must insert the data that I want the user objec to hold (for example, user name, email address, password etc).

I also want a construct that doesn't need any parameters (which, creates the user object, but doesn't hold any data).

I have a way of getting round this, by initally renaming my original construct that accepts all the parameters, and then using the construct that doesn;t need parameters to create the object.

for example, this is how it works now (i've cut out a lot of the variables user for simplicity)

function user () { }

function user ($user, $password, $email) { 
     $this->setuser($user);
     $this->setpassword($password);
     $this->setemail($email);
}

I have to create the object like this:

$newuser = new user($user, $password, $email);

But I want to create a user, without passing any parameters in.. eg...

$newuser = new user();

I could use this to get around it:

$newuser = new user(null, null, null);

Any suggestions, or have I confused everyone?

Thanks.

stezz

why would you want two functions? Isn't the function that takes the username, password and email creating the new user anyway? Why would you want a function that does nothing?

Regards, Stezz.

sgoku01

function user ($user=0, $password=0, $email=0) { 
     if ( ($user!=0) and ($password!=0) and ($email!=0) )
     {
     $this->setuser($user);
     $this->setpassword($password);
     $this->setemail($email);
     return;
     }
     else
     {
     return;
     }
}

When you call the function you can leave the parameters away, or you can fill them in. It will both work 🙂

satyricon

thanks sgoku01. i used null instead and checked the user and the email (i error check both before passing into this, so it will never be passed in as null anyway).

that works a treat.

128kb_com

Yes that would definately do the trick, however - When writting constructors in PHP, you'll need to make sure that you calls and constructor share the same name. So if you have:

class User
{
	function User($name = 0, $passwd = 0)
	{
		if($name && $pass)
			// do user stuff ...
		else
			return $this;
	}
}

so this will still work when creating a new instance like:

$user = new User();

$user = new User('username', 'secret');