[PHP] global class instance

[sempsteen]

hi all,
i wonder if there is a way of creating an instance of a class and
reach it direcly from any scope in PHP4. basically what i want is:

class a
{
  function print()
  {
     echo 'sth';
  }
}

$a = new a();

and use this "a" instance from anywhere ex, in a function that is a
method of another class.

class b
{
  function print()
  {
     $a->print();
  }
}

i don't want to:
  - declare global $foo,
  - use pre-defined $GLOBALS variable,
  - or use a::print

thanks.

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