Upload and Rename File

PHP: Upload and Rename File

 html_form

Raw

1234	<form action="" enctype="multipart/form-data" method="post"> <input id="file" name="file" type="file" /> <input id="Submit" name="submit" type="submit" value="Submit" /> </form>

 php

Raw

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<?php   // Upload and Rename File   if (isset($_POST['submit'])) { $filename = $_FILES["file"]["name"]; $file_basename = substr($filename, 0, strripos($filename, '.')); // get file extention $file_ext = substr($filename, strripos($filename, '.')); // get file name $filesize = $_FILES["file"]["size"]; $allowed_file_types = array('.doc','.docx','.rtf','.pdf');   if (in_array($file_ext,$allowed_file_types) && ($filesize < 200000)) { // Rename file $newfilename = md5($file_basename) . $file_ext; if (file_exists("upload/" . $newfilename)) { // file already exists error echo "You have already uploaded this file."; } else { move_uploaded_file($_FILES["file"]["tmp_name"], "upload/" . $newfilename); echo "File uploaded successfully."; } } elseif (empty($file_basename)) { // file selection error echo "Please select a file to upload."; } elseif ($filesize > 200000) { // file size error echo "The file you are trying to upload is too large."; } else { // file type error echo "Only these file typs are allowed for upload: " . implode(', ',$allowed_file_types); unlink($_FILES["file"]["tmp_name"]); } }   ?>