How to rename uploaded files using PHP

How to use PHP to rename uploaded files: first create a new html file and create a form form; then create a new Php file to receive the file data passed by the form form, and set the file encoding to utf8; Then create the directory variable [$store_dir] to save the uploaded file; finally upload the file.

How to rename the uploaded file using PHP:

1. Create a new html file and name it test .html , used to create a form for uploading files.

2. On the test.html page, create a form form, create a button to select files and a button to upload files in the form form, and set the form form to submit data. to the handle.php file.

3. Create a new php file named handle.php, which is used to receive the file data passed by the form.

4. In the handle.php file, use the header() method to set the encoding of the file to utf8, and use $_FILES['upload_file']['tmp_name']Get the uploaded file.

5. In the handle.php file, create the directory variable $store_dir for saving the uploaded file, and use exploade() The method obtains the file type. Here, the timestamp is added to the file type to rename, and the custom file name $upload_file_name is obtained.

6. In the handle.php file, use the move_uploaded_file() method to upload the file, and use the if statement to determine whether the upload is successful and prompt respectively.

7. Open the test.html file in the browser, select the file to upload (select an image file here to test), click the "Upload File" button, check whether the upload is successful and try again File named.

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