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<?php function gen1() { $x = yield 1; $y = yield 2; var_dump("==="); var_dump($x + $y); var_dump("==="); yield 3; } function wat($iter) { var_dump($iter->valid()); } function yf($iter) { $x = yield from $iter; var_dump('== ' . $x . ' =='); } // wat(gen1()); // wat([4, 5, 6]); // $g = yf([4, 5, 6]); $g = yf(gen1()); var_dump($g->current()); $g->send(10); var_dump($g->current()); $g->next(); var_dump($g->current()); $g->next(); var_dump($g->current());
Output for git.master, git.master_jit, rfc.property-hooks
int(1) int(2) string(3) "===" int(10) string(3) "===" int(3) string(6) "== ==" NULL

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