| 位操作符允许您精细的操作数据的每一个位。
Table 7-2. Bitwise
Operators（表7-2位操作符）
| example |
name |
result |
| $a & $b |
And |
Bits that are set
in both $a and $b are set.?/FONT> |
| $a | $b |
Or |
Bits that are set
in either $a or $b are set.?/FONT> |
| ~ $a?/FONT> |
Not |
Bits that are set
in $a are not set, and vice versa. |
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