Upload and Rename File PHP Tutorial

In this tutorial you will learn that how to rename file when upload file to server to prevent new file overwrite an old file that exists in you server.

Overview

In this tutorial create 2 files 1. upload_rename.php and 2. upload_rename_ac.php.

Steps
1. Create file upload_rename.php.
2. Create file upload_rename_ac.php.
3. Create folder "upload" for store uploaded files.
4. CHMOD your upload folder to "777" by using your ftp software(change permission).

Create file upload_rename.php

View in browser

|---|--------------------- code --------------------|---|

{code type=codetype}

<table width="500" border="0" align="center" cellpadding="0" cellspacing="1" bgcolor="#CCCCCC">
<tr>
<form action="upload_rename_ac.php" method="post" enctype="multipart/form-data" name="form1" id="form1">
<td>
<table width="100%" border="0" cellpadding="3" cellspacing="1" bgcolor="#FFFFFF">
<tr>
<td><strong>Single File Upload </strong></td>
</tr>
<tr>
<td>Select file
<input name="ufile" type="file" id="ufile" size="50" /></td>
</tr>
<tr>
<td align="center"><input type="submit" name="Submit" value="Upload" /></td>
</tr>
</table>
</td>
</form>
</tr>
</table>

{/code}

Create file upload_rename_ac.php

|---|--------------------- code --------------------|---|

{code type=codetype}

<?php

// Your file name which you are uploading
$file_name = $HTTP_POST_FILES['ufile']['name'];

// random 4 digit to add to our file name
$rand_digit=rand(0000,9999);

//combine random digit to create new file name
//use dot (.) to combine these two variables

$new_file_name=$rand_digit.$file_name;

//set where you want to store files
//in this example we keep file in folder upload
//$new_file_name = new upload file name
//for example upload file name newFile.gif . $path will be upload/newFile.gif
$path= "upload/".$new_file_name;
if($ufile !=none)
{
if(copy($HTTP_POST_FILES['ufile']['tmp_name'], $path))
{
echo "Successful<BR/>";

//$new_file_name = new file name
//$HTTP_POST_FILES['ufile']['size'] = file size
//$HTTP_POST_FILES['ufile']['type'] = type of file
echo "File Name :".$new_file_name."<BR/>";
echo "File Size :".$HTTP_POST_FILES['ufile']['size']."<BR/>";
echo "File Type :".$HTTP_POST_FILES['ufile']['type']."<BR/>";
}
else
{
echo "Error";
}
}
?>

{/code}