Edit report at http://bugs.php.net/bug.php?id=47160&edit=1
ID: 47160
Comment by: dchurch at sciencelogic dot com
Reported by: a at b dot c dot de
Summary: $foo() syntax is too limited
Status: Open
Type: Feature/Change Request
Package: Feature/Change Request
Operating System: Windows (irrelevant)
PHP Version: 5.3.0alpha3
New Comment:
Closures in PHP 5.3 DO work like this, as they should. But I agree that
it should be possible to call array($object, 'methodname') or
array('classname', 'staticmethod') in this fashion.
Previous Comments:
------------------------------------------------------------------------
[2009-01-20 08:57:09] a at b dot c dot de
Description:
------------
It's already possible to have arrays that represent callable methods
(either static or instance), and 5.3's closures offer a third type of
"callable" function.
But the $foo() syntax that facilitates calling that callable function
still requires $foo to contain a string.
Since in general one cannot know in advance just what type of callable
the value of $foo actually is, and when one does know it's often NOT a
string, it's necessary to forego the syntax and rely on
call_user_func($foo).
What would be nice is if $foo() also worked in the cases where $foo was
a callable array or Closure object. call_user_func() itself would
largely be relegated to the status of "function equivalent should you
need it" and complement to call_user_func_array().
Reproduce code:
---------------
<?php
// For 5.2.x as well.
class Thing {
static function DoesStuff() {
echo 'Hello, World';
}
}
$f = array('Thing', 'DoesStuff');
$f();
?>
Expected result:
----------------
Hello, World
Actual result:
--------------
Fatal error: Function name must be a string in C:\test.php on line 11
------------------------------------------------------------------------
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Edit this bug report at http://bugs.php.net/bug.php?id=47160&edit=1
