PHP setcookie不工作
PHP setcookie不工作,php,Php,我知道有相当多的线程处理这个问题,但每个问题似乎都是独特的(或如此…) 我在设置cookie时遇到问题,以便以后可以根据cookie验证用户 一个php新手…这里可能有什么问题? 我已经检查了php.ini文件,允许使用cookies <?php $capt_error = ""; $already_made_post = ""; $mismatch = ""; $name = $message = ""; if ($_SERVER["REQUEST_METHOD"] == "POST")
我知道有相当多的线程处理这个问题,但每个问题似乎都是独特的(或如此…)
我在设置cookie时遇到问题,以便以后可以根据cookie验证用户
一个php新手…这里可能有什么问题? 我已经检查了php.ini文件,允许使用cookies
<?php
$capt_error = "";
$already_made_post = "";
$mismatch = "";
$name = $message = "";
if ($_SERVER["REQUEST_METHOD"] == "POST") {
session_start();
if (empty($_POST["capt"])) {
$capt_error = "Fältet är obligatoriskt.";
} else {
// validate captcha
if($_POST['capt'] != $_SESSION['rand']) {
$name = $_POST["name"];
$message = $_POST['message'];
$mismatch = "Inmatningen av CAPTHA är fel. Vänligen prova igen.";
}
else {
$ip_address = $_SERVER['REMOTE_ADDR'];
$time_stamp = date('Y-m-d H:i');
$cookie_name = $_POST['name'];
$cookie_value = $ip_address;
// write to file but only if cookie is not set
if(isset($_COOKIE[$cookie_value]) && $_COOKIE[$cookie_value] == $cookie_value) {
$already_made_post = "Du har redan ett inlägg i gästboken!";
}
else {
$data = "\n" . $_POST['name'] . ',' . $_POST['message'] . ',' . $ip_address . ',' . $time_stamp;
$ret = file_put_contents('data.txt', $data, FILE_APPEND | LOCK_EX);
if ($ret == false) {
die('Fel vid skrivning till fil. Skrivrättigheter saknas');
}
// set cookie
setcookie($cookie_name, $cookie_value); // IS NOT SET
if(!isset($_COOKIE[$cookie_name])) {
echo "Cookie named '" . $cookie_name . "' is not set!";
} else {
echo "Cookie '" . $cookie_name . "' is set!<br>";
echo "Value is: " . $_COOKIE[$cookie_name];
}
}
}
}
}
?>
<link rel="stylesheet" href="labb1.css" type="text/css">
<html>
<head>
<title>Labb 1</title>
</head>
<body>
<h1 class="title">Laboration 1 - Gästboken</h1>
<table border="1">
<thead>
<tr>
<th colspan="3" class="table-title">Min Gästbok</th>
</tr>
</thead>
<tbody>
<tr>
<td class="bold">FRÅN</td>
<td class="bold">INLÄGG</td>
<td class="bold">LOGGNING</td>
</tr>
<?php
// open file
$f = fopen("data.txt", "r");
// while not end of file
while (!feof($f)) {
// split values with -
$arr = explode(",", trim(fgets($f), "\r\n"));
print "<tr>";
print "<td>$arr[0]</td>";
print "<td>$arr[1]</td>";
print "<td>IP: $arr[2]<br>TID: $arr[3]</td>";
print "</tr>";
}
?>
</tbody>
</table>
<form action="" method="post">
<div class="border">
<div>
<span>Namn:</span>
<input type="text" name="name" value="<?php echo $name;?>">
</div>
<div>
<span>Meddelande:</span>
<textarea name="message" rows="5"><?php echo $message;?></textarea>
</div>
<div>
<?php
$rand = substr(str_shuffle(str_repeat("0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz", 5)), 0, 5);
session_start();
$_SESSION["rand"] = $rand;
print "<span>CAPTCHA skriv detta i rutan nedan: </span> <span class='red bold'>$rand</span>"
?>
<span class="error">* <?php echo $capt_error; ?></span>
<input type="text" name="capt">
<span class="error"><?php echo $mismatch?></span>
</div>
<div>
<input type="submit" value="Skicka">
</div>
<div>
<span class="red">*</span> är ett obligatoriskt fält
</div>
<div>
<span class="error"><?php echo $already_made_post?></span>
</div>
</div>
</form>
</body>
</html>
会话启动()代码>应位于页面顶部,以便会话正常工作。在上面的代码中,只有当用户提交表单时才会调用它。将其移到第2行。您尚未设置仪表:
像这样设置您的cookies
$expire=time()+60*60*24*30;
setcookie ("name","value", $expire,"/");
$expire变量保存cookie到期的时间值,我阅读了您的代码,现在我看到了这一点
setcookie($cookie_name, $cookie_value); // IS NOT SET
if(!isset($_COOKIE[$cookie_name])) {
从
Cookie在下一次加载
cookie应在以下时间内可见
你能在没有任何条件的情况下设置cookie吗?您知道如何在浏览器中签出cookie吗?您所说的“无条件设置cookie”是什么意思?我不太明白你的意思:)创建的cookie看起来是这样的:数组([mona]=>::1[PHPSESSID]=>2KBH59RM008EPVLV73QHDFH6[sam]=>::1[sammy]=>::1)你需要分离两件事:我的cookie不工作,我的状况不好谢谢你的回复。但是如何设置cookie呢?您没有在set_cookies()函数中设置过期时间,因此cookie设置不正确