Introduction to the file upload _ PHP instance through a simple php instance

This article describes how to upload a PHP file through code examples, obtain information about the file name, type, size, and so on, and upload the file. This article is of great reference value. I would like to share with you the script home platform, this is a simple example of PHP File Upload. You can obtain the file name, type, size, and other information to complete file upload for your reference.

1. Code for uploading files:

Code

<? Php // determine whether the temporary file storage path contains the user-uploaded file if (is_uploaded_file ($ _ FILES ["uploadfile"] ["tmp_name"]) {// for higher efficiency, store the information in the variable $ upfile =$ _ FILES ["uploadfile"]; // use an array string to store the information of the uploaded file. // print_r ($ upfile ); // If printed, the output is similar to this information Array ([name] => m.jpg [type] => image/jpeg [tmp_name] => C: \ WINDOWS \ Temp \ php1A. tmp [error] => 0 [size] => 44905) $ name = $ upfile ["name"]; // The name $ type = $ upfile ["type"] When transferring a file later; // The type of the uploaded file $ size = $ upfile ["size"]; // size of the uploaded file $ tmp_name = $ upfile ["tmp_name"]; // temporary name of the file uploaded by the user $ error = $ upfile ["error"]; // error message during the upload process // echo $ name; // determine the file type to determine whether to transfer the file, if yes, set $ OK = 1 to switch ($ type) {case "image/jpg": $ OK = 1; break; case "image/jpeg ": $ OK = 1; break; case "image/gif": $ OK = 1; break; default: $ OK = 0; break ;} // if the file meets the requirements and there is no error during the upload if ($ OK & $ error = '0') {// call the move_uploaded_file () function, file Transfer move_uploaded_file ($ tmp_name, 'Up /'. $ name); // after the operation is successful, the system prompts echo"