如果需要，我总是传入变量名

I always pass in the name of the variable it will be assigned to if it it is required

class myclass {
    var $myname;
   function __construct($myname='no name') {
       $this->myname=$myname;
    #print "In BaseClass constructor\n";
   }

  function sayHello()
    {
    return "hello from " . $this->myname . "\n";
    }

}

用法:

$myVar = new myclass("myVar");
$yourVar = new myclass("yourVar");

echo $myVar->sayHello();
echo $yourVar->sayHello();