PHP Bitwise Operators
What are the Bitwise Operators?
Explanation
Bitwise operators are used to turn specific bits within an integer on or off.
<?php
echo 12
9 ; // Outputs '5'
echo 2
"3"; // Outputs 1
echo 2
"3"; // Outputs 1
?>
In the above example the binary for 12 is 1100, for 9 is 1001, when XOR operator is used it will give a value of 101 which is 5 in decimal numbers.
If both the left and right parameters are strings, it will display ASCII characters
Following are the bitwise operators available
Example :
<?php
echo 12
9 ; // Outputs '5'
echo 2
"3"; // Outputs 1
echo 2
"3"; // Outputs 1
?>
In the above example the binary for 12 is 1100, for 9 is 1001, when XOR operator is used it will give a value of 101 which is 5 in decimal numbers.
If both the left and right parameters are strings, it will display ASCII characters
Following are the bitwise operators available
| Example | Name | Result |
| $a & $b | And | Bits that are set in both $a and $b are set. |
| $a | $b | Or | Bits that are set in either $a or $b are set. |
| $a $b | Xor | 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 bits of $a $b steps to the right (each step means "divide by two") |
