Learn PHP Bitwise Operator:
It is another kind of operator ,called bitwise operator and supported by PHP. It is so called because instead of operating on the integer value, it works on the binary number, like if we want to perform the following task,
12>>2, then :
0000 1100 >> 2:
After first shift, 0000 0110 and after second shift, 0000 0011
Output would be 3 and from the above example it is very clear that after every shift 1 is moved towards right side and the blank space is filled by 0.
So, from the above example we can see that the right shift operator operates on binary number, that's why it is known as bitwise operator.
Example of PHP Bitwise Operator:
echo"\$a & \$b = ".($a & $b)."<br/>";
echo"\$a | \$b = ".($a | $b)."<br/>";
echo"\$a ^ \$b = ".($a ^ $b)."<br/>";
echo"~(\$a) = ".~$a."<br/>";
echo"\$a >> \$b = ".($a >> $b)."<br/>";
echo"\$a << \$b = ".($a << $b)."<br/>";
$a & $b = 2
$a | $b = 10
$a ^ $b = 8
~($a) = -11
$a >> $b = 2
$a << $b = 40
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