Online PHP editor | refs for H44ko

<?php function &foo() { $x = array(1,2,3); yield $x; echo "Gen: "; var_dump($x); $x[] = 99; return $x; } $rets = array(); $gen = foo(); foreach ($gen as &$val) { var_dump($val); $val[] = 42; $rets[] =& $val; } $rv =& $gen->getReturn(); var_dump($rv); $rets[0][] = 100; var_dump($rv); $rv[] = 200; var_dump($gen->getReturn()); var_dump($rets);