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<?php $times = ['Porto', 'Benfica', 'Maritimo', 'Sporting']; foreach($times as $m => $mandante) { foreach($times as $v => $visitante) { if ($times[$m] != $times[$v]) { $partidas[] = array($times[$m] => $times[$v]); } } } print var_dump($partidas);
Output for git.master, git.master_jit, rfc.property-hooks
array(12) { [0]=> array(1) { ["Porto"]=> string(7) "Benfica" } [1]=> array(1) { ["Porto"]=> string(8) "Maritimo" } [2]=> array(1) { ["Porto"]=> string(8) "Sporting" } [3]=> array(1) { ["Benfica"]=> string(5) "Porto" } [4]=> array(1) { ["Benfica"]=> string(8) "Maritimo" } [5]=> array(1) { ["Benfica"]=> string(8) "Sporting" } [6]=> array(1) { ["Maritimo"]=> string(5) "Porto" } [7]=> array(1) { ["Maritimo"]=> string(7) "Benfica" } [8]=> array(1) { ["Maritimo"]=> string(8) "Sporting" } [9]=> array(1) { ["Sporting"]=> string(5) "Porto" } [10]=> array(1) { ["Sporting"]=> string(7) "Benfica" } [11]=> array(1) { ["Sporting"]=> string(8) "Maritimo" } }

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