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<?php $x = array(0 => 3, 3 => 1, 1 => 'dupa'); print_r(array_map(function($x) { return (bool) $x;}, $x));
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => 1 [3] => 1 [1] => 1 )

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