[PHP-DEV] indirect references to static function variables

[Jan Lehnardt]

Hi again,
the ZEND_CHANGES file states:
[...]
 * Static function variables.
 Statics are now treated at compile-time which allows developers
 to assign variables to statics by reference. This change also
 greatly improves their performance but means that indirect
 references to statics will not work anymore.
[..]
The only thing close to "indirect references" I could come up
with, was this:
<?php
function foo()
{
  static $a = 0;
  $a_name = "a";
  echo $$a_name;
  echo $a;
  $a++;
}
foo();
foo();
?>
Which works as expected in both PHP 4 and 5.

So what exactly doesn't work anymore? Or what is meant by
"indirect references"?
Best regards,
Jan
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