|
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www./TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www./1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无标题文档</title>
</head>
<body>
<?php
$a=3;
$b=5;
if(($a=8)||($b=9)){
//$a=8这是赋值操作，把8赋值给$a；8不等于0；所以bool值为ture；就不在判断$b=9;
//这是逻辑判断的短路原则，就不再判断后边$b=9
$a=$a+1;
$b=$b+1;
}
echo $a,$b;
?>
</body>
</html>
|
