--TEST--
The result of a by-ref function call can be yielded just fine
--FILE--
<?php
function &nop(&$var) {
return $var;
}
function &gen(&$var) {
yield nop($var);
}
$var = "foo";
$gen = gen($var);
foreach ($gen as &$varRef) {
$varRef = "bar";
}
var_dump($var);
?>
--EXPECT--
string(3) "bar"