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carbolymer/gist:466870

Created July 7, 2010 16:00
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gistfile1.php
<?php
$f = function(&$a)
{
$a = 'b';
};
$o = new stdClass;
$o->u = 5;
call_user_func($f,$o->u);
// $f($o->u); works!
echo $o->u;
?>
[carbolymer@nucleon]:~/Pulpit$ php dev.php
PHP Warning: Parameter 1 to {closure}() expected to be a reference, value given in /home/carbolymer/Pulpit/dev.php on line 10
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