Tutorial: How to Delete Uploaded File in MySQL using PHP
In this tutorial, we will create a Delete Uploaded File in MySQL using PHP. This code will delete a file from the local database server when the user clicks the delete button. The system uses the MySQLi DELETE query to delete the existing data in the database that is based on the given file ID and remove a file stored in the file directory instantly using unlink() by assigning the file location as an argument. This a user-friendly program. Feel free to modify and use it for your system.
We will be using PHP as a scripting language that interprets in the webserver such as xamp, wamp, etc. It is widely used by modern website application to handle and protect user confidential information.
This code contains the upload query of the application. This code will upload the file to the MySQLi database server. To do that just copy and write this block of codes inside the text editor, then save it as upload.php.
This code contains the main function of the application. This code will delete a file in the database when the button is clicked. To make this just copy and write these block of codes below inside the text editor, then save it as delete.php
$query=mysqli_query($conn, "SELECT * FROM `file` WHERE `file_id`='$file_id'") or die(mysqli_error());
mysqli_query($conn, "DELETE FROM `file` WHERE `file_id`='$file_id'") or die(mysqli_error());
There you have it we successfully created Delete Uploaded File using MySQLi. I hope that this simple tutorial help you to what you are looking for. For more updates and tutorials just kindly visit this site. Enjoy Coding!