Bitwise operators

Bitwise operators allow evaluation and manipulation of specific bits within an integer.
Bitwise Operators


Example
Name
Result




$a & $b
And
Bits that are set in both $a and $b are set.


$a | $b
Or (inclusive or)
Bits that are set in either $a or $b are set.


$a ^ $b
Xor (exclusive or)
Bits that are set in $a or $b but not both are set.


~ $a
Not
Bits that are set in $a are not set, and vice versa.


$a << $b
Shift left
Shift the bits of $a $b steps to the left (each step means "multiply by two")


$a >> $b
Shift right
Shift the…