yields

<?php

class Context {
  var $foo = 'Hello, World';
}

class Func {
  function fn (callable $fn) {
    $fn = $fn->bindto(new Context);
    $fn();

yields

<?php

class Context {
  var $foo = 'Hello, World';
}

function contextbind ($cb) {
  $cb = Closure::bind($cb, new Context);
  $cb();
};

yields

function describe () {}

describe('Request', function ($it) {

  describe('Request#path', function ($it) {

    $it('should equal `/`', function () {
      return (new Request)->path;
    })->should->equal('/');

yields

<?php

function describe () {}

describe('Request', [

  'it foo bar' => function () {
    
  }

yields

class Context {
  var $foo = 'Hello, World';
}

function contextbind(&$cb) {
  $cb = $cb->bindTo(new Context);
  $cb();
}

yields

<?php

class Context {
  var $foo = 'Hello, World';
}

function contextbind(&$cb) {
  $cb = $cb->bindTo(new Context);
  $cb();
}

yields

<?php

class Context {
  var $foo = 'Hello, World';
}

function contextbind(&$cb) {
  $cb->bindTo(new Context);
}

yields

class Context {
  var $foo = 'Hello, World';
}

function contextbind (&$cb) {
  $cb = $cb->bindTo(new Context());
}

contextbind(function () {
  echo $this->foo;

yields

export PATH=/Applications/MAMP/bin/php/php5.3.6/bin:/usr/local/bin:/usr/local/sbin:/bin:/usr/sbin:/sbin:/usr/bin:/usr/X11/bin

yields

export PATH=/usr/local/bin:/usr/local/sbin:/bin:/usr/sbin:/sbin:/usr/bin:/usr/X11/bin