网页上显示的php代码
我是php新手。目前,我正在关注此网站上的教程:。代码也在该网站上 我面临的问题是第66行的动作标签。因为它,我的表单页面上有了额外的字符。另外,当我提交表单时,它会进入“未找到”页面。 我可以把动作标签留空来解决这个问题。但是,我想知道为什么默认代码会出现这种错误网页上显示的php代码,php,html,Php,Html,我是php新手。目前,我正在关注此网站上的教程:。代码也在该网站上 我面临的问题是第66行的动作标签。因为它,我的表单页面上有了额外的字符。另外,当我提交表单时,它会进入“未找到”页面。 我可以把动作标签留空来解决这个问题。但是,我想知道为什么默认代码会出现这种错误 <html> <head> <style> .error {color: #FF0000;} </style> &
<html>
<head>
<style>
.error {color: #FF0000;}
</style>
</head>
<body>
<?php
// define variables and set to empty values
$nameErr = $emailErr = $genderErr = $websiteErr = "";
$name = $email = $gender = $comment = $website = "";
if ($_SERVER["REQUEST_METHOD"] == "POST") {
if (empty($_POST["name"])) {
$nameErr = "Name is required";
}else {
$name = test_input($_POST["name"]);
}
if (empty($_POST["email"])) {
$emailErr = "Email is required";
}else {
$email = test_input($_POST["email"]);
// check if e-mail address is well-formed
if (!filter_var($email, FILTER_VALIDATE_EMAIL)) {
$emailErr = "Invalid email format";
}
}
if (empty($_POST["website"])) {
$website = "";
}
else {
$website = test_input($_POST["website"]);
}
if (empty($_POST["comment"])) {
$comment = "";
}else {
$comment = test_input($_POST["comment"]);
}
if (empty($_POST["gender"])) {
$genderErr = "Gender is required";
}else {
$gender = test_input($_POST["gender"]);
}
}
function test_input($data) {
$data = trim($data);
$data = stripslashes($data);
$data = htmlspecialchars($data);
return $data;
}
?>
<h2>Absolute classes registration</h2>
<p><span class = "error">* required field.</span></p>
<form method = "post" action = ">?php
echo htmlspecialchars($_SERVER["PHP_SELF"]);?>">
<table>
<tr>
<td>Name:</td>
<td><input type = "text" name = "name">
<span class = "error">* <?php echo $nameErr;?></span>
</td>
</tr>
<tr>
<td>E-mail: </td>
<td><input type = "text" name = "email">
<span class = "error">* <?php echo $emailErr;?></span>
</td>
</tr>
<tr>
<td>Time:</td>
<td> <input type = "text" name = "website">
<span class = "error"><?php echo $websiteErr;?></span>
</td>
</tr>
<tr>
<td>Classes:</td>
<td> <textarea name = "comment" rows = "5" cols = "40"></textarea></td>
</tr>
<tr>
<td>Gender:</td>
<td>
<input type = "radio" name = "gender" value = "female">Female
<input type = "radio" name = "gender" value = "male">Male
<span class = "error">* <?php echo $genderErr;?></span>
</td>
</tr>
<td>
<input type = "submit" name = "submit" value = "Submit">
</td>
</table>
</form>
<?php
echo "<h2>Your given values are as:</h2>";
echo $name;
echo "<br>";
echo $email;
echo "<br>";
echo $website;
echo "<br>";
echo $comment;
echo "<br>";
echo $gender;
?>
</body>
</html>
.错误{color:#FF0000;}
绝对类注册
*必填字段
姓名:
*
电邮:
*
时间:
课程:
性别:
女性
男性
*
此代码
会是
<form method = "post" action = "<?php echo htmlspecialchars($_SERVER["PHP_SELF"]);?>">
此代码
会是
<form method = "post" action = "<?php echo htmlspecialchars($_SERVER["PHP_SELF"]);?>">
您的表单应该如下所示
您的表单应该如下所示
更改>?
为更改>?
为