/*

条件控制语句

*/

//$n = 95;

//if($n>10)

// echo ‘if……我被执行了’;

//else

// echo ‘else…….被执行了’;

//if($n>=85)

// echo ‘我是优级’;

//elseif($n>=70)

// echo ‘我是良级….’;

//elseif($n>=60)

// echo ‘我有及格’;

//else

// echo ‘很遗憾，挂了’;

//$n = 12;

//if($n<60)

// echo ‘很遗憾，挂了’;

//elseif($n<70)

//

//elseif($n<85)

// echo ‘我是良级….’;

//else

// echo ‘我是优级’;

$n = 7;

switch($n){

case 1:

echo ‘星期一’;

break;

case 2:

echo ‘星期二’;

break;

case 3:

echo ‘星期三’;

break;

case 4:

echo ‘星期四’;

break;

case 5:

echo ‘星期五’;

break;

case 6:

echo ‘星期六’;

break;

default:

echo ‘星期日’;

}