<?php // ______ - // | _____ mind. 1 Position komplett offen // || ____ Position mit Teilmengen geliefert // ||| ___ alles komplett // |||| $bitmask = bindec('0101'); printf("%04b\n", $bitmask); $bitmask |= bindec('0010'); printf("%04b\n", $bitmask); $bitmask ^= bindec('0101'); printf("%04b\n", $bitmask); $bitmask ^= bindec('0101'); printf("%04b\n", $bitmask); ?>
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