如何在php中自我验证后将收集的输入传递到另一个页面
<!DOCTYPE html>
<html lang="en">
<head>
<title>Page Title Goes Here</title>
<meta charset="utf-8">
<link rel="stylesheet" type="text/css" href="form1.css"/>
</head>
<body>
<?php
//define variable and set to empty value
$forenameErr = $surnameErr = $emailErr = $postalAddressErr = $landLineTelNoErr =$mobileTelNoErr = $sendMethodErr = "";
$forename = $surname = $email = $postalAddress = $landLineTelNo = $mobileTelNo = $sendMethod = "";
if($_SERVER["REQUEST_METHOD"] =="POST"){
$valid = true;
if(empty($_POST["forename"])){
$forenameErr = "Forename is required";
$valid = false; //false
} else {
$forename = test_input($_POST["forename"]);
// check if name only contains letters and whitespace
if (!preg_match("/^[a-zA-Z ]*$/",$forename)) {
$forenameErr = "Only letters and white space allowed";
}
}
if(empty($_POST["surname"])){
$surnameErr = "Surname is required";
$valid = false; //false
} else {
$surname = test_input($_POST["surname"]);
// check if name only contains letters and whitespace
if (!preg_match("/^[a-zA-Z ]*$/",$surname)) {
$surnameErr = "Only letters and white space allowed";
}
}
if(empty($_POST["postalAddress"])){
$postalAddressErr =" Please enter postal address";
$valid = false; //false
} else {
$postalAddress = test_input($_POST["postalAddress"]);
}
if(empty($_POST["landLineTelNo"])){
$landLineTelNoErr = "Please enter a telephone number";
$valid = false; //false
} else {
$landLineTelNo = test_input($_POST["landLineTelNo"]);
// check if invalid telephone number added
if (!preg_match("/^[0-9 ]{7,}$/",$landLineTelNo)) {
$landLineTelNoErr = "Invalid telephone number entered";
}
}
if(empty($_POST["mobileTelNo"])){
$mobileTelNoErr = "Please enter a telephone number";
$valid = false; //false
} else {
$mobileTelNo = test_input($_POST["mobileTelNo"]);
// check if invalid telephone number added
if (!preg_match("/^[0-9 ]{7,}$/",$mobileTelNo)) {
$mobileTelNoErr = "Invalid telephone number entered";
}
}
if(empty($_POST["email"])){
$emailErr = "Email is required";
$valid = false; //false
} 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["sendMethod"])){
$sendMethodErr = "Contact method is required";
$valid = false; //false
} else {
$sendMethod = test_input($_POST["sendMethod"]);
}
//if valid then redirect
if($valid){
header('Location: userdetail.php');
exit();
}
}
//check
function test_input($data) {
$data = trim($data);
$data = stripslashes($data);
$data = htmlspecialchars($data);
return $data;
}
?>
<div id="wrapper">
<h1>Welcome to Chollerton Tearoom! </h1>
<nav>
<ul>
<li><a href="index.html">Home</a></li>
<li><a href="findoutmore.html">Find out more</a></li>
<li><a href="offer.html">Offer</a></li>
<li><a href="credit.html">Credit</a></li>
<li><a href="#">Admin</a></li>
<li><a href="wireframe.html">WireFrame</a></li>
</ul>
</nav>
<form id = "userdetail" action="<?php echo htmlspecialchars($_SERVER["PHP_SELF"]);?>" method="POST">
<fieldset id="aboutyou">
<legend id="legendauto">user information</legend>
<p>
<label for="forename">Forename: </label>
<input type="text" name="forename" id="forename" value="<?php echo $forename;?>">
<span class="error">* <?php echo $forenameErr;?></span>
</p>
<p>
<label for="surname">Surname:</label>
<input type="text" name="surname" id="surname" value="<?php echo $surname;?>">
<span class="error">* <?php echo $surnameErr;?></span>
</p>
<p>
<label for="postalAddress">Postal Address:</label>
<input type="text" name="postalAddress" id="postalAddress" value="<?php echo $postalAddress;?>">
<span class="error"> </span>
</p>
<p>
<label for="landLineTelNo">Landline Telephone Number:</label>
<input type="text" name="landLineTelNo" id="landLineTelNo" value="<?php echo $landLineTelNo;?>" >
<span class="error"> * <?php echo $landLineTelNoErr;?></span>
</p>
<p>
<label for="mobileTelNo">Moblie:</label>
<input type="text" name="mobileTelNo" id="mobileTelNo" placeholder="example:012-3456789" value="<?php echo $mobileTelNo;?>" />
<span class="error"><?php echo $mobileTelNoErr;?></span>
</p>
<p>
<label for="email">E-mail:</label>
<input type="text" name="email" id="email" value="<?php echo $email;?>" placeholder="example:123@hotmail.com"/>
<span class="error"> </span>
</p>
<fieldset id="future">
<legend>Lastest news</legend>
<p>
Choose the method you recommanded to recevive the lastest information
</p>
<br>
<input type="radio" name="sendMethod" id="sendMethod" <?php if (isset($sendMethod) && $sendMethod=="email") echo "checked";?> value="email">
Email
<input type="radio" name="sendMethod" id="sendMethod" <?php if (isset($sendMethod) && $sendMethod=="post") echo "checked";?> value="post">
Post
<input type="radio" name="sendMethod" id="sendMethod" <?php if (isset($sendMethod) && $sendMethod=="SMS") echo "checked";?> value="SMS">
SMS
<span class="error">* <?php echo $sendMethodErr;?></span>
</fieldset>
<p><span class="error">* required field.</span></p>
<input type="checkbox" name="checkbox" value="check" id="agree" />
I have read and agree to the Terms and Conditions and Privacy Policy
<p>
<input type="submit" name="submit" value="submit" />
</p>
</form>
</fieldset>
</form>
</div>
</body>
</html>
这是我的php表单... 它可以在同一页面验证自己，但无法将数据传递到另一个php页面.... 这是我的另一个PHP代码......
<?php
$forenameErr = $surnameErr = $emailErr = $postalAddressErr = $landLineTelNoErr =$mobileTelNoErr = $sendMethodErr = "";
$forename = $surname = $email = $postalAddress = $landLineTelNo = $mobileTelNo = $sendMethod = "";
echo "<h1>Successfull submission :</h1>";
echo "<p>Forename : $forename <p/>";
echo "<p>Surname : $surname <p/>";
echo "<p>Email: $email</p>";
echo "<p>Post Address: $postalAddress</p>";
echo "<p>Landline: $landLineTelNo</p>";
echo "<p>Mobile : $mobileTelNo</p>";
echo "<p>Contact method: $sendMethod";
?>
答案 0 :(得分：1)
您可以使用$ _SESSION变量。
因此，在验证用户设置$_SESSION['surname'] = $surname;
然后在每个页面的顶部将session_start();添加到顶部。
然后在那个添加
if (isset($_SESSION['surname'])) {
$surname = $_SESSION['surname'];
} else {
die();
}
查看PHP文档以获得更透彻的理解。
如果您希望用户能够创建帐户，您可能还需要考虑设置MYSQL数据库。
修改：表单页
if($valid){
$_SESSION['surname'] = $surname;
$_SESSION['postalAddress'] = $postalAddress;
header('Location: userdetail.php');
exit();
}