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<?php function a() { var_dump('a1'); yield 1; var_dump('a2'); yield 2; var_dump('a3'); } foreach (a() as $a) { var_dump($a); }
Output for git.master, git.master_jit, rfc.property-hooks
string(2) "a1" int(1) string(2) "a2" int(2) string(2) "a3"

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