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<?php function gen1() { yield 1; yield 2; yield 3; } function gen2(bool $opt) { if ($opt) return yield from gen1(); yield 4; yield 5; yield 6; } print_r(iterator_to_array(gen2(true))); print_r(iterator_to_array(gen2(false)));
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => 1 [1] => 2 [2] => 3 ) Array ( [0] => 4 [1] => 5 [2] => 6 )

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