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<?php $arr = array( null => 'a', true => 'b', false => 'c', 0 => 'd', 1 => 'e', '' => 'f' ); var_dump($arr); ?>
Output for git.master, git.master_jit, rfc.property-hooks
array(3) { [""]=> string(1) "f" [1]=> string(1) "e" [0]=> string(1) "d" }

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