PHP按钮名称更改

Question

这是我的代码，它显示“提交查询”按钮，我该如何更改它的名字？

<form method="post">
<input type="submit" name="submit">
</form>

<?php
if(isset($_POST['submit'])){
    $output = shell_exec('cd /home && ls');
    echo "<pre>$output</pre>";
}
?>

Answer 1

<input type="submit" name="submit" value="YOUR BUTTON NAME">

Answer 2

添加值属性

<input type="submit" name="submit" value="Send form">