Recommended replacement for LimitedScope in Nette 2.2

mystik

What is recommended replacement for LimitedScope which is deprecated in Nette 2.2?

Let's say I have this code:

<?php
  ob_start();
  Nette\Utils\LimitedScope::load($file, $vars);
  return ob_get_clean();
?>

What should I use instead? Just this:

<?php
  ob_start();
  extract($vars);
  include($file);
  return ob_get_clean();
?>

Last edited by mystik (2014-05-15 09:45)

Milo

You can:

$vars = array(...);
$output = call_user_func(function() {
	ob_start();
	if (func_num_args() > 1) {
		extract(func_get_arg(1));
	}
	require func_get_arg(0);
	return ob_get_clean();
}, $file, $vars);

mystik

Thanks. Exactly what I was looking for.

I was recommended elsewhere not to use extract. So my final solution looks like:

<?php
return call_user_func(function() {
  ob_start();
  foreach (func_get_arg(1) as $__k => $__v) {
    $$__k = $__v;
  }
  unset($__k, $__v);
  require func_get_arg(0);
  return ob_get_clean();
}, $file, $vars);
?>

Milo

extract() is slower but only for bigger amount of variables.

Jan Tvrdík

extract() is slower but only for bigger amount of variables.

and older versions of PHP.

mishak

You can test it :)