Notice: Undefined index: ag in E:\wamp\www\upload files\nestedif.php on line 3
<html>
<body>
<form name="fm" action="C:\wamp\www\control\nestedif.php" method="post">
<h1 align=center>
Age<input type="text" name="ag"><br>
gender<input type="radio" name="gn" value="M">M
<input type=radio name=gn value="F">F<br>
<input type=submit name=submit value=submit>
<input type=reset name=reset value=reset>
</h1>
</form>
</body>
</html>
<h1 align=center>
<?php
$age=$_POST ['ag']开发者_高级运维;
$gen=$_POST['gn'];
if($age>=18)
{
if($gen=="M")
{
echo "you are allowed to party";
}
else
{
echo "you are not male,so that not allowed to party";
}
}
else
{
echo "you are not major, so that not allowed to party";
}
?>
</h1>
Notice: Undefined index: ag in E:\wamp\www\upload files\nestedif.php on line 3
Notice: Undefined index: gn in E:\wamp\www\upload files\nestedif.php on line
The 'ag' and 'gn' keys do not exist in the $_POST array, use isset to check if they do:
if(!isset($_POST['ag']) || !isset($_POST['gn'])) {
//throw error here...
}
加载中,请稍侯......
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