奎屯.net-位运算符

冰疑 · 发表于 2013-7-7 20:55:26

本帖最后由冰疑于 2013-7-7 21:09 编辑

<html>
<head>
<title>奎屯.net-位运算符</title>
<style type="text/css">
* { margin:0; padding:0; }
html,body{ border:none;font-size:14px;color:#000000; letter-spacing:3px; line-height:360%; }
#form { color:#000000; text-align:center;}
td { text-align:center; }
</style>
</head>
</body>
<div id="form">奎屯.net-位运算符</div>
<table width="1010" border="1">
<tr>
<td>符号</td>
<td>作用</td>
<td>举例</td>
</tr>
<tr>
<td>&</td>
<td>按位与</td>
<td>$m&$n</td>
</tr>
<tr>
<td>|</td>
<td>按位或</td>
<td>$m|$n</td>
</tr>
<tr>
<td>^</td>
<td>按位异或</td>
<td>$m^$n</td>
</tr>
<tr>
<td>~</td>
<td>按位取反</td>
<td>$m~$n</td>
</tr>
<tr>
<td><<</td>
<td>向左移位</td>
<td>$m<<$n</td>
</tr>
<tr>
<td>>></td>
<td>向右移位</td>
<td>$m>>$n</td>
</tr>
</table>
<?php
echo "下面使用位运算符对变量中的值进行位运算操作，得数为：";
$m = 8;
$n =12;
$mn = $m&$n;
echo $mn."、";
$mn = $m | $n;
echo $mn."、";
$mn = $m^$n;
echo $mn."、";
$mn = ~$m;
echo $mn."、";
?>
<body>
</html>

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