PHP学习笔记-表单的使用

<form method=”post” action=”<?php echo $PHP_SELF; ?>”>

a:&nbsp:<input type=”text” name=”a”><BR>

b:&nbsp;<input type=”text” name=”b”><BR>

<input type=”submit” value=”提交”>

<br></form>

global $a;

global $b;

if ($a > $b ){

echo “a比b大”;

}elseif ($a == $b){

echo “a等于b”;

}else{

echo “a比b小”:

}

?>