How to upload file using php/ajax and save into database

00 How to upload a single file using PHP and save it into database Single file upload system Create a formupload.php file <head> <script src=”formajax.js”></script> </head> <form id=”codelizar_form” method=”post” enctype=”multipart/form-data”> <div class=”row”> <div class=”form-group col-md-3″> <label for=”user_name” class=”heading-2″>User name * </label> <input type=”text” name=”user_name” id=”user_name” class=”form-control” placeholder=”Enter user name” required=”required”> </div> <div class=”col-md-3″> <label for=”file_img”>Choose …