Online PHP editor | refs for ZU8bK

<?php $availablePieces = []; $bitfield = hex2bin('ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe0'); $bytes = unpack('N', $bitfield)[1]; foreach (str_split($bytes) as $index => $byte) { $availablePieces[($index * 8) + 0] = $byte & 0b10000000 !== 0; $availablePieces[($index * 8) + 1] = $byte & 0b01000000 !== 0; $availablePieces[($index * 8) + 2] = $byte & 0b00100000 !== 0; $availablePieces[($index * 8) + 3] = $byte & 0b00010000 !== 0; $availablePieces[($index * 8) + 4] = $byte & 0b00001000 !== 0; $availablePieces[($index * 8) + 5] = $byte & 0b00000100 !== 0; $availablePieces[($index * 8) + 6] = $byte & 0b00000010 !== 0; $availablePieces[($index * 8) + 7] = $byte & 0b00000001 !== 0; } var_dump($availablePieces);