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<?php $langs = array("en", "de", "pt"); foreach($langs as $val) { $array[$val] = array_values(array_diff($langs, array($val))); } print_r($array);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [en] => Array ( [0] => de [1] => pt ) [de] => Array ( [0] => en [1] => pt ) [pt] => Array ( [0] => en [1] => de ) )

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