dikini.net

class scope {
  var $parent;
  function __call( $name ) {
    if(isset($parent[$name]) { return $parent[$name](); }
    throw( new someException() );
  }

  function let( $name, $value ) {
    if(is_object($value)) { 
      //hygiene
      if(isset($this->$name)) { $this->$name->parent = null; }
      $this->$name = $value;
      $this->$name->parent = $this;
  }
}

//alternative let
function let($parent, $name, $class) {
  $parent->$name = new $class();
  $parent->$name->parent = array($parent,$name);
}

?>

• A concept related to and very often mistaken (mixed) (by me) with (for) closures
• the let method can be folded into __set if we want this behaviour to the default for assignments to object fields