Types of files in php

Active Oldest Votes. There are a few of them, and the list is subject to expansion. For your comparison, I think you want to manually define the acceptable types, as using a generic types list would result in all types being acceptable which does not seem to be your goal I'd also add the link towards the input man page and suggest you read about the accept attribute, which can filter your files right on client side If the value of the type attribute is file, this attribute indicates the types of files that the server accepts; otherwise it is ignored.

The value must be a comma-separated list of unique content type specifiers: Don't let the text fool you; users won't be able to select the file if it's not in accept ed file types, but do note that the server needs to validate that as well as it is possible to submit a form to a server directly and bypass any client validation. Community Bot 1 1 1 silver badge. Many thanks for elaborating Felix, have also implemented on client side : — atoms.

Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown. The Overflow Blog. Recommended Articles. Article Contributed By :. Shubrodeep Banerjee. Easy Normal Medium Hard Expert. Writing code in comment? Please use ide. Note that this function loses the file input names I usually process the files just by type. In checking the error code, you probably ought to check for code 4.

I believe Code 4 means no file was uploaded, and there are many instances where that's perfectly OK. Such as when you have a form with multiple data items, including file and image uploads, plus whatever else. The user might not be adding a new upload for whatever reason, such as there may already be a file in the system from an earlier update, and the user is satisfied with that. Try Again. For quick debugging eg.

Obviously don't use these for comparison in real code. Nontypicall array comes in php after the submission. I wrote a small function to restate it to the familiar look. Note : The results of this function are cached. See clearstatcache for more details. As of PHP 5. Refer to Supported Protocols and Wrappers to determine which wrappers support stat family of functionality.