--TEST--
Basic test if yield from works
--FILE--
<?php
function from() {
	yield "from" => 1;
	yield 2;
}

function gen() {
	yield "gen" => 0;
	yield from from();
	yield 3;
}

/* foreach API */
foreach (gen() as $k => $v) {
	var_dump($k, $v);
}

/* iterator API */
for ($gen = gen(); $gen->valid(); $gen->next()) {
	var_dump($gen->key(), $gen->current());
}
?>
--EXPECT--
string(3) "gen"
int(0)
string(4) "from"
int(1)
int(0)
int(2)
int(0)
int(3)
string(3) "gen"
int(0)
string(4) "from"
int(1)
int(0)
int(2)
int(0)
int(3)