重定向根據在URL參數

Question

尋找一個PHP代碼重定向到特定的URL取決於放慢參數

redirect.php?mid=1 

應該重定向到page1.php中

redirect.php?mid=2 

應該重定向到使page2.php

如果url不帶參數

redirect.php 

應該重定向到page3.php

Answer 1

<?php 

// quesry string parameters are accessible through $_GET or $_REQUEST 
switch($_GET['mid']) // Look only at mid parameter. Decide what to do based on value 
{ 
    case 1: 
     $page = 'page1.php'; // Save the redirection to a variable 
     break; 
    case 2: 
     $page = 'page2.php'; 
     break; 
    default: 
     $page = 'page3.php'; 
     break; 
} 

// redirect to correct page 
header('location: '. $page); 

?> 

$_GET - 獲取查詢字符串PARAMS

switch - 開關控制結構

header - 改