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<?php $array = array('one','two','tre','four','five'); $newArray = []; foreach ($array as $el) { foreach ($array as $el2) { if ($el === $el2) continue; $newArray[] = $el."/".$el2; } array_shift($array); } print_r($newArray);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => one/two [1] => one/tre [2] => one/four [3] => one/five [4] => two/tre [5] => two/four [6] => two/five [7] => tre/four [8] => tre/five [9] => four/five )

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