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<?php $arr = array( array(5,1), array(4,0), array(4,1), array(1,1) ); // ______ - // | _____ mind. 1 Position komplett offen // || ____ Position mit Teilmengen geliefert // ||| ___ alles komplett // |||| $bitmask = bindec('0001'); printf("%04b\n", $bitmask); foreach ($arr as $w) { if ($w[0] == $w[1]) { $bitmask |= bindec('0010'); } elseif ($w[0] > $w[1]) { $bitmask &= ~bindec('0001'); if ($w[1] == 0) { $bitmask |= bindec('0100'); } } } printf("%04b\n", $bitmask); var_dump($bitmask && bindec('0100')); ?>

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