當用戶登錄到我的網站,我創建一個會話稱爲$_SESSION['session_city_id']
至極夾頭的ID從MySQL「重新註冊」 PHP會話基於表單POST
我不知道是否有可能改變它包含的數據從一個表單。我創建了形式select_city
至極看起來是這樣的:
<form name='select_city' action='sessions.php' method='post' style='display:inline;'>
<select onchange='this.form.submit()'>
<option value='1'>The first value</option>
<option value='2'>The second value</option>
<option value='3'>The third value</option>
</select>
<noscript><input type="submit" value="Submit"></noscript>
</form>
我sessions.php
看起來像這樣(我只是在PHP中開始編程,所以不要抨擊我beeing一個完整的小白!)
<?php
session_start();
$url = htmlspecialchars($_SERVER['HTTP_REFERER']); //Find out where the user came from
if (isset($_POST['select_city'])){
$_POST['select_city'] = $city_id;
if (isset($_SESSION['session_city_id'])){
unset($_SESSION['session_city_id']);
}
$_SESSION['session_city_id'] = $city_id;
}
header ("Location: $url"); //Redirect back to the page the user came from
?>
剛剛建議將名稱放在選擇標籤上,而不是在 – magicianiam
的形式。對不起,我的錯,剛剛編輯後。它必須位於輸入屬性中。 – Oliver
謝謝你的帖子。不過,我仍然在會話變量中獲得舊的ID ... – David