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<?php function count_to_ten() { yield 1; yield 2; yield from [3, 4]; yield from new ArrayIterator([5, 6]); yield from seven_eight(); return yield from nine_ten(); } function seven_eight() { yield 7; yield from eight(); } function eight() { yield 8; } function nine_ten() { yield 9; return 10; } $gen = count_to_ten(); foreach ($gen as $k => $num) { echo "\n-$k -> $num \n"; //echo $gen->send('t'); } var_dump( $gen->getReturn());
Output for git.master, git.master_jit, rfc.property-hooks
-0 -> 1 -1 -> 2 -0 -> 3 -1 -> 4 -0 -> 5 -1 -> 6 -0 -> 7 -0 -> 8 -0 -> 9 int(10)

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