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<?php function generator(): iterable { yield 'x' => 1; yield 2; yield 3; } $iterable = generator(); var_dump($iterable); var_export([...$iterable]);
Output for git.master, git.master_jit
object(Generator)#1 (1) { ["function"]=> string(9) "generator" } array ( 'x' => 1, 0 => 2, 1 => 3, )
Output for rfc.property-hooks
object(Generator)#1 (0) { } array ( 'x' => 1, 0 => 2, 1 => 3, )

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