我有这样的代码,是一个HTML寄存器与PHP的动作,当你按下提交按钮为什么这个提交行为不适用于php isset?
<html>
<head>
<title>Pruebas de registro </title>
</head>
<body>
<h1 align="center"> FORMULARIO DE REGISTRO </h1>
<form align="center" method="POST">
<p>User: <input type="name" name="user"></input> </p>
<p>Pass: <input type="password" name="password"> </p>
<p>RPass: <input type="password" name="password2"> </p>
<input type="submit" name="submit" value="Ok"> </input>
<input type="reset" value="Reset"></input>
</form>
<?php
If (isset($_POST['submit'])) {
echo "Has presionado submit"
}
?>
</body>
</html>
为什么当我按下“确定”按钮提交的PHP不说我“有presionado提交”与isset?