If there was a problem for a file upload request specified by the <INPUT TYPE=FILE NAME=fieldName...> tag, an error code will be available in $_FILES[$fieldName]['error']. Possible error code values are: UPLOAD_ERR_OK (0) - There is no error, the file uploaded with success. UPLOAD_ERR_INI_SIZE (1) - The uploaded file exceeds the upload_max_filesize directive in php.ini. UPLOAD_ERR_FORM_SIZE (2) - The uploaded file exceeds the MAX_FILE_SIZE directive that was specified in the HTML form. UPLOAD_ERR_PARTIAL (3) - The uploaded file was only partially uploaded. UPLOAD_ERR_NO_FILE (4) - No file was uploaded. UPLOAD_ERR_NO_TMP_DIR (5) - Missing a temporary folder.Based on the error codes, you can have a better logic to process uploaded files more accurately, as shown in the following script:<?php $file = '\fyicenter\images\fyicenter.logo'; $error = $_FILES['fyicenter_logo']['error']; $tmp_name = $_FILES['fyicenter_logo']['tmp_name']; print("<pre>\n"); if ($error==UPLOAD_ERR_OK) { move_uploaded_file($tmp_name, $file); print("File uploaded.\n"); } else if ($error==UPLOAD_ERR_NO_FILE) { print("No files specified.\n"); } else { print("Upload faield.\n"); } print("</pre>\n");?>If you try this script with logo_upload.php and do not specify any files, you will get the "No files specified." message.
