I am trying to read and write a remote a file to the user's browser through CodeIgniter(FTP Class). That is, I want user to read the file edit the content and save it back.
One way will be
- download the file to my server
- read the file and echo to the user(Browser)
- Save the content of the file to local copy(My server)
- upload the file back to the server
But I don't want to download the file to my server I just want to read and write to remote file
You can write it to the temporary file and after displaying just delete it using unlink() function in the same script. Just call it straight after echoing the content. The file will be present on your server for a really short period of time. FTP is used to upload files, but not for editing them remotely. Any FTP client supporting file edit is actually saving it to the temp folder on your computer and after the edit uploads it back to the server.
Related
I am gonna to save file when the file is still uploading to the server!
For example, the client uploads a video to the server and I want to get that file and save it when client waits to finish it. in other words, I want to save uploaded file every 100kb.
Maybe you ask me, why I am going to do this! Here is why:
I am creating a video conferencing stream by PHP, I want to save uploading video and get it in another clients device!
Can I use php:// to get that file?
reference
I'm trying to archive a big file using PHP and send it to the browser for download. The problem is the file is located on a remote machine and the only way to get it is via HTTP. So imagine this is my file: https://dropboxcontent.com/user333/3yjdsgf/video1.mp4
It's a direct link and I can download the file using wget, or curl anything. When a user wants to download it, I first fetch the file to the server, then zip it up and then send it to the user. Well, if the file is really large, the user has to sit there waiting for the server to download it before he sees the download dialog box in his browser. Is there a way for me to start the download of the file https://dropboxcontent.com/user333/3yjdsgf/video1.mp4 (let's say I'm downloading it into a local /tmp/video.mp4) and simultaneously start putting into an archive and streaming it into the user's browser?
I'm using this library to zip it up: https://github.com/barracudanetworks/ArchiveStream-php, which works great, but the bottleneck is still fetching the file to the server's local filesystem.
Here is my code:
$f = file_get_contents("https://dropboxcontent.com/user333/3yjdsgf/video1.mp4");
$zip->add_file('big/hello.mp4', $f);
The problem is line $f = file_get_contents("https://dropboxcontent.com/user333/3yjdsgf/video1.mp4"); takes too long if the file is really big.
As suggested in the comments of the original post by Touch Cat Digital Inc, I found the answer here: https://stackoverflow.com/a/6914986/1927991
A chunked stream of the remote file was the answer. Very clever.
I've got the following situation: I have some files with hashed filename on a cdn. Now I want a php script which redirects to the files (download) and give them another name. Is there a way without using readfile? The problem with readfile is that it doesn't make sense to download the file from cdn to my webserver and then download the file from the webserver to local computer.
I have a url that downloads a .csv file to my computer like this
http://oi62.tinypic.com/2nh0zzt.jpg
The url is
api.infortisa.com/api/Tarifa/GetFile?user=xxxxxxxxxxxxxxxx
But what I want is to download that file in a folder of the server, or at least open it's content so I can save it where i want.
(upload that file via FTP every time is a pain)
I can't access the direct url of the file, just what the api gives me, and that is just a direct download.
I tried curl and file_get_contents, but nothing seems to work.
How can I download that file in the server instead of my computer?
Any help would be appreciated.
For image upload we use FILE html controller.
How this html controller able to browse in the local system?
After selecting a file , it will be copied and moved to server location.
If the php is ale to copy the local file and move to server , will it be able to do any other manipulations of that file ? like delete!
What is happening actually on file upload?
The HTML control is provided by the browser. The browser is a local application and has access to the user's file system. The file's contents are sent to the receiving script by the browser using standard methods.
PHP has no access to the user's file system at any point, just the copy provided by the browser. Deleting or even reading files on the user's file system is not possible.
Actually php is not accessing local system. After you choose a file and click upload at upload form. The whole file(not location) is sent via POST request. And php just recieves that POST request with the whole file, and stores at server.