【发布时间】：2013-08-17 17:59:16
【问题描述】：
全部，
我一直在为此苦苦挣扎，但我不知道自己做错了什么。我有一个 PHP 文件，其中包含多个脚本，包括 PHP 和 jquery 部分。我正在尝试将一个 PHP 变量从 html Head 部分传递给 Body。每个都在自己的 php 脚本部分，因为我在两者之间有一个 jquery 脚本，也在 Head 中。下面是相关代码。如何将 $reset_question php 变量从顶部传递到底部？
我刚刚添加了“提交 3”按钮来显示我遇到问题的表单。也许我的语法中有什么？
<head>
<?php
require_once('../connectvars.php');
session_start();
$dbc = mysqli_connect(DB_HOST, DB_USER, DB_PASSWORD, DB_NAME);
// Clear the error message
$error_msg = "";
// other code that I'm not having a problem with
if (!isset($_SESSION['email'])) {
if (isset($_POST['submit3'])) {
// Grab the user-entered log-in data
$email = mysqli_real_escape_string($dbc, trim($_POST['email']));
$first_name = mysqli_real_escape_string($dbc, trim($_POST['first_name']));
$last_name = mysqli_real_escape_string($dbc, trim($_POST['last_name']));
if (!empty($first_name) && !empty($last_name) && !empty($email) ) {
// Make sure someone isn't already registered using this username
$query = "SELECT * FROM user_database WHERE email = '$email' AND first_name = '$first_name' AND last_name = '$last_name'";
$data = mysqli_query($dbc, $query);
if (mysqli_num_rows($data) == 1) {
// The username exists
$query = "SELECT reset_question FROM user_database where email='$email'";
mysqli_query($dbc, $query);
// Confirm success with the user
while($row = mysqli_fetch_array($data)) {
$reset_question = $row['reset_question'];
}
exit();
}
else {
// An account doesn't exist for this e-mail
echo '<p class="error">All of your information was not recognized. Please complete the information correctly or sign-up to register.</p>';
$email = "";
}
}
else {
echo '<p class="error">You must enter all of the required data.</p>';
}
$_SESSION['reset_question'] = $reset_question;
}
}
// Insert the page header
require_once('../reference/header_sub.php');
// If the session var is empty, show any error message and the log-in form; otherwise confirm the log-in
if (empty($_SESSION['email'])) {
echo '<p class="error">' . $error_msg . '</p>';
// closing bracket is down below
?>
// other code that I'm not having a problem with
//jquery script
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"> </script>
<script>
// jquery isn't having any issues that I can see
</script>
</head>
<body>
<div id="allcontent" style="position:relative;top:-20px;">
<?php
// Insert the tabbed navigation
require_once('../reference/tabs_sub.php');
?>
<br />
<fieldset>
<!-- html forms that I've not having problems with -->
<form method="post" action="<?php echo $_SERVER['PHP_SELF']; ?>">
<table class="reset">
<tr><td colspan="2" ><legend style="font-weight:bold;font-size:15px;height:25px;">Reset your password</legend></td></tr>
<tr><td class="register" ><label for="first_name">First Name:</label></td>
<td><input style="width:200px;" type="text" name="first_name" value="<?php if (!empty($first_name)) echo $first_name; ?>" /><br /></td></tr>
<tr><td class="register" ><label for="last_name">Last Name:</label></td>
<td><input style="width:200px;" type="text" name="last_name" value="<?php if (!empty($last_name)) echo $last_name; ?>" /><br /></td></tr>
<tr><td class="register" ><label for="email">E-mail:</label></td>
<td><input style="width:200px;" type="text" name="email" value="<?php if (!empty($email)) echo $email; ?>" /><br /></td><td><input type="submit" value="Submit" name="submit3" class="submit3"/></td></tr>
</table>
</form>
<form method="post" action="<?php echo $_SERVER["PHP_SELF"]; ?>">
<table class="answer">
<tr><td colspan="2" class="remember" >Please answer the following question!</td></tr>
<tr><td class="remember" >What is: <?php $_SESSION['reset_question']; ?>?</td></tr>
<tr><td ><input style="width:200px;" type="text" name="reset_answer" value="<?php if (!empty($reset_answer)) echo $reset_answer; ?>"/></td></tr>
</table>
</form>
</fieldset>
<?php
} // closing bracket from above opening bracket
else {
// Confirm the successful log-in
echo('<p class="login">You are logged in as ' . $_SESSION['email'] . '.</p>');
require_once('/download.php');
}
?>
<?php
// Insert the page footer
require_once('../reference/footer.php');
mysqli_close($dbc);
?>
</div>
</body>
【问题讨论】：
-
那么，您是否尝试在底部使用
$reset_question？你有错误还是什么？ -
是的，我已经尝试了所有我能想到的从一个传递到另一个的组合。当我使用 $reset_question 时，它不会返回任何结果。 $_SESSION['$reset_question'] 给了我一个尖叫错误，并说“$reset_question”是一个未定义的索引。