<html>
<head>
<title>PHP 运算符表达式综合运用实例</title>
<body>
<?
$a = "河南郑州中州大道";
$b = 64;
echo $a + $b; //字符当数字用
echo "<br>";
echo $a.$b; //数字当字符
echo "<br>";
$a = 999;
$b = 888;
echo $b > $a; //比较大小
echo "<br>";
echo $a - 23 + $b += $a % 3 ? 50 : 30; //三目运算符与赋值四则运算
echo "<br>";
$a = 222222;
$b = 333333;
$a=$b; //赋值表达式
echo $a == $b;
echo "<br>";
//结果
//64
//河南郑州中州大道64
//1894
//1
?>
</body>
</html>
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