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<?php $data = ['a', 'b', 'c']; foreach ($data as $key => $value) { var_dump($key); } foreach ($data as $key) { var_dump($key); }
Output for git.master, git.master_jit, rfc.property-hooks
int(0) int(1) int(2) string(1) "a" string(1) "b" string(1) "c"

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