[PHP] Determining file types of uploaded files

Is there a way to determine the file type of a file uploaded via an form? I know that getimagesize() tells you if a file is a GIF, JPG or PNG -- I'm interested in determining if a file is a valid PDF or valid Word document. Thanks for the help. Ezra -- PHP General Mailing List (http://www.ph

[PHP] Determining file types of uploaded files

Is there a way to determine the file type of a file uploaded via an form? I know that getimagesize() tells you if a file is a GIF, JPG or PNG -- I'm interested in determining if a file is a valid PDF or valid Word document. Thanks for the help. Ezra -- PHP General Mailing List (http://www.php