Code:
<html>
<title> if-elseif</title>
<body>
<?php
if (empty($_get["username"])){
?>
<form action=<?php echo $_server["php_self"] ?>method="get">
my name is :<input type=text name=username> <Br>
i am:<br>
<input type=radio name=sex value=1>man<br>
<input type=radio name=sex value=2>woman<br>
<input type=submit value="send out">
<input type=reset value="refill">
</form>
<?php
}
else
{
if ($_get["sex"]==1)
echo $_get["username"]."hi sir";
elseif ($_get["sex"]==2)
echo $_get["username"]."hi madam";
else
{
echo "u haven't choose ur gender <br>";
echo "plz rechoose <br>";
}
}
?>
</body>
</html>
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