第七章 PHP3 表达式

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位操作符

    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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