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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')); ?>
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.25, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
0001 0110 bool(true)

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234.15 ms | 405 KiB | 348 Q