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To declare an object in PHP using the construction class the instance variables are declared putting var name and member functions defined within the block of the class as ordinary functions. A constructor is defined as a function with the same name as the object.

To refer to the object or member variables, we use $this->

An example of the above would be:
class MyObject (
var $ nCount = 0;
var $ strName;
function MyObject ($ strName = "noname") (
$ this-> strName = $ strName;
)
AddCount function ($ nDelta) (
$ this-> nCount + = $ nDelta;
)
function GetCount () (
return $ this-> nCount;
)
)
As we see, in the function member can use default settings and anything else you would use a normal function.

To use this object, do:
$ MyObj = new MyObject ( "Pepito");
Echo ( "Count goes". $ MyObj-> GetCount (). "<BR>);
$ MyObj-> AddCount (5);
Echo ( "Now count goes." $ MyObj-> GetCount ());
Very careful with uppercase and lowercase letters in the names of the variables of type object, because the PHP tends to be case sensitive with them.