PHP_SELF 调用同一文件

Question

<?php
if(isset($_POST['submit'])) 
{ 
    $name = $_POST['name'];
    echo "User Has submitted the form and entered this name : <b> $name </b>";

}
?>
<form method="post" action="<?php echo $_SERVER['PHP_SELF']; ?>">
   <input type="text" name="name"><br>
   <input type="submit" name="submit" value="Submit Form"><br>
</form>

我只希望部分在提交后运行，并且在单击提交表单按钮后不应看到显示表单

Answer 1

在 else 部分编写您的 html 表单代码。

<?php
if(isset($_POST['submit'])) 
{ 
    $name = $_POST['name'];
    echo "User Has submitted the form and entered this name : <b> $name </b>";

} else {
?>
<form method="post" action="<?php echo $_SERVER['PHP_SELF']; ?>">
   <input type="text" name="name"><br>
   <input type="submit" name="submit" value="Submit Form"><br>
</form>

<?php } ?>