将ID从一个php文件传输到另一个

Question

I'm working on a page where the User can enter an ID which then gets passed to a Controller. This Controller handles the ID and generates a uniqID. With this uniqID a new folder gets generated on the server.

Now there's another PHP File which needs to access the generated Folder on the Server. To access the right folder the file needs the generated uniqID.

I tried it with Sessions. But that's a bad idea, because the user can make multiple Requests to the Controller in other Tabs and with Sessions the uniqID always gets overwritten.

How can i pass the uniqID from my Controller to the PHP File?

Answer 1

There are a number of approaches to do this task.

Here are few of them that I quickly came up with:

1) Store the key value mapping in database (key as the id, value as the unique number)

2) You can do that in sessions too because every id will have a unique entry, a session having an array of KEY (id) => VALUE (unique id) is fine too but to avoid over head and consistency, I would recommend you to save the mapping in database.

Cons: If there server is restarted, yon won't have any clue about the session information. It is not a good practice though.

3) You can use filing but again you need to write proper functions to retrieve and store the mappings.

Answer 2

You could post the data to the file with PHPCURL . For example:

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, 'yourfile.php');
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $uniqueID['id']);
curl_exec($ch);
curl_close($ch);

In yourfile.php, you can fetch the data:

if($_SERVER['REQUEST_METHOD'] == 'POST' AND isset($_POST['id'])){
    //execute code...
}

Answer 3

You can store the user_id and the unique_folder_id in a database table and do a lookup in the database from the php file and create the directories.

You can add a flag done taking 0 and 1 values to check if the folder has been created already.
Or if the amount of records permits, you could check with file_exists before attempting to create the directory.