How to store files in session with php?

@herminia_bruen 

To store files in sessions in PHP, you can follow these steps:

1. Start the session by adding session_start() at the beginning of your PHP script. This will initialize the session and allow you to store data in it.
2. Use the $_SESSION superglobal array to store the file data. You can store the file content as a string or base64 encoded string in the session.

Example:

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session_start();

// Read the file content
$fileContent = file_get_contents('path/to/file.txt');

// Store the file content in the session
$_SESSION['fileContent'] = $fileContent;

// To retrieve the file content from the session
$fileContent = $_SESSION['fileContent'];

1. Remember that storing large files in the session can consume a lot of memory. It is recommended to store only small files or store the file path in the session and load the file content when needed.
2. Make sure to handle the file uploads securely and validate the file type and size before storing it in the session.

By following these steps, you can store files in sessions in PHP for temporary storage or processing.