php-8.0.30-src/Zend/tests/generators/yield_during_function_call.phpt

--TEST--
"yield" can occur during a function call
--FILE--
<?php

function gen() {
    var_dump(str_repeat("x", yield));
}

$gen = gen();
$gen->send(10);

?>
--EXPECT--
string(10) "xxxxxxxxxx"