Image upload via FTP to wordpress media library

Is there any permanant way to upload images via FTP to WordPress media library other than the available plugins which don’t really work well most of the time? I would really appreciate if anyone could help me with this. Sorry I don’t know PHP.

Thanks in advance!

You can upload your images to your host, and then use media_sideload_image() to upload each file. Let’s assume you upload all of your images to a folder named wpse, in the root of your WordPress installation:

// Set the directory
$dir = ABSPATH .'/wpse';
// Define the file type
$images = glob($directory . "*.jpg");
// Run a loop and upload every file to media library
foreach($images as $image) {
    // Upload a single image
    media_sideload_image($image,'SOME POST ID HERE');
}

Images must be attached to a post, but you can detach them afterward.