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<?php $filtered = []; foreach ([NULL, TRUE, FALSE, 0, 1, 'none'] as $v) { $filtered[$v == 'none'][] = $v; } var_export($filtered);
Output for git.master, git.master_jit, rfc.property-hooks
array ( 0 => array ( 0 => NULL, 1 => false, 2 => 0, 3 => 1, ), 1 => array ( 0 => true, 1 => 'none', ), )

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