我是否需要使用substr（）来显示目录，还是可以使用其他代码？

Question

Everything in this file is set up in a way in which $_GET['q'] brings up the main domain name and the other directories in the website are brought up in this manner: else if (substr($_GET['q'], 0, 7) == 'quotes/') If I wanted to have a folder called: ultimate-deals-and-low-prices, would I use

else if (substr($_GET['q'], 0, 30) == 'ultimate-deals-and-low-prices/')

Does that make sense, or would I call my directory in another manner, without having to ask php to call a substring of the directory file name. I understand that is what substring does, but I've only seen it be used for characters less than 10. If my directory has more characters, would I still use substring?

This is the beginning of the if statement in this document:

require_once(getcwd() ."/db/db_pagetitle.php");
print get_page_title($_GET['q']);
if (isset($_GET['q']) && $_GET['q']) {
    if (file_exists(getcwd() .'/pages/'. $_GET['q'] .'.php')) {
        require_once(getcwd() .'/pages/'. $_GET['q'] .'.php');

than it goes into

else if (substr($_GET['q'], 0, 7) == 'quotes/') 

How do I call my directory?

Thanks?

Answer 1

You can still use substr, there's no problem with having more than 10 characters :) In other words, you can use exactly the code you've posted (if you don't mind the typing): else if (substr($_GET['q'], 0, 30) == 'ultimate-deals-and-low-prices/')

But, if there is some of common logic for all folders (like, cd-ing into it or searching for a file in it) you don't have to write an else branch for each folder, you can just use something like:

if (isset($_GET['q']) && $_GET['q']) {
    if (file_exists(getcwd() .'/pages/'. $_GET['q'] .'.php')) {
        require_once(getcwd() .'/pages/'. $_GET['q'] .'.php');
    } else if (is_dir(getcwd() . '/pages/' . $_GET['q'])) {
        // do whatever you want to do with the folder
    }
}

If you would write more of your code it'd be easier to understand what you're trying to do.