How does the bitwise operator '^' work?
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Published on 2010-04-20T12:12:54Z
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2010/04/20
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|bitwise-operators
I'm a little confused when I see the output of following code:
$x = "a";
$y = "b";
$x ^= $y;
$y ^= $x;
$x ^= $y;
echo $x; //got b
echo $y; //got a
And I wonder how does the operator ^ work here?Explanations with clarity would be greatly appreciated!
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