<!DOCTYPE html>
<html>
<head>
<title></title>
</head>
<body>
<form action="postest10.php">
Masukan kalimat:<input type="text" name="a" id="a"><br>
Masukan huruf yg akan dicari:<input type="text" name="b" id="b">
<input type="submit" name="submit" id="submit">
</form>
</body>
</html>