PHP Operators: Bitwise Operators Step By Step Tutorial

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PHP Operators: Bitwise Operators

Tag: operator, Bitwise Operators Category: PHP Basic
post: 08 Mar 2008 read: 646

PHP Operators Step By Step Tutorial - Part 5: Bitwise operator is operator that is used for the bit operation (binary digit) in level (0 and 1).

Operator	Info	Example
Operator	Info	In Decimal	In Binner
&	AND	9 8 & 8	1001 1000 & 1000
\|	OR	9 8 \| 9	1001 1000 \| 1000
^	XOR	9 8 ^ 9	1001 1000 ^ 1000
~	NOR	~9 (decimal) = - 11 (decimal)
<<	shift leftly	9<<1 = 1
>>	shift right	9>>1 = 4

In fact, bit operator inspiration of its ability at C Ianguage, but at php script is seldom to be used. Pay attention to the example of using bit operator at script as following:

File name: bitoperator.php


<html>
<head>
<title>Using Bit Operator</title>
</head>

<body>
<h1>The example for using bitwise operator</h1>
<?
printf("7 & 15 = %d <br>", 7 & 15);
printf("7 | 15 = %d <br>", 7 | 15);
printf("7 ^ 15 = %d <br>", 7 ^ 15);
printf("~7= %d <br>", ~7);
printf("7 << 1 = %d <br>", 7 << 1);
printf("7 >> 1 = %d <br>", 7 >> 1);
?>
</body>
</html>

The result of executing bitwise operator.php:

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PHP Operators: Bitwise Operators