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<?php function gen() { yield 10 => "gen"; yield "another"; } function yf() { yield from gen(); yield from gen(); } foreach(yf() as $key => $val) { echo "$key => $val\n"; }
Output for git.master, git.master_jit, rfc.property-hooks
10 => gen 11 => another 10 => gen 11 => another

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