Online PHP editor | output for tib3f

<?php function gen() { echo "yielding\n"; yield 24; echo "yielding again\n"; yield 33; echo "returning\n"; // return 42; } $g = gen(); $g->next(); var_dump($g->valid()); var_dump($g->key()); var_dump($g->current()); echo "1"; $g->next(); var_dump($g->valid()); var_dump($g->key()); var_dump($g->current()); echo "2"; $g->next(); var_dump($g->valid()); var_dump($g->key()); var_dump($g->current()); echo "3"; $g->next(); var_dump($g->valid()); var_dump($g->key()); var_dump($g->current()); $g->next(); $g->next(); $g->next(); $g->next(); $g->next(); $g->next(); echo "Sup";