اپلود فایل با نام رندم - نسخه قابل چاپ

کد:

<form enctype="multipart/form-data" action="upload.php" method="POST">

 Please choose a file: <input name="uploaded" type="file" /><br />

 <input type="submit" value="Upload" />

 </form>

کد:

<?php

 //This function separates the extension from the rest of the file name and returns it 

 function findexts ($filename) 

 { 

 $filename = strtolower($filename) ; 

 $exts = split("[/\\.]", $filename) ; 

 $n = count($exts)-1; 

 $exts = $exts[$n]; 

 return $exts; 

 } 

 

 //This applies the function to our file  

 $ext = findexts ($_FILES['uploaded']['name']) ; 

 

 //This line assigns a random number to a variable. You could also use a timestamp here if you prefer. 

 $ran = rand () ;



 //This takes the random number (or timestamp) you generated and adds a . on the end, so it is ready of the file extension to be appended.

 $ran2 = $ran.".";



 //This assigns the subdirectory you want to save into... make sure it exists!

 $target = "images/";



//This combines the directory, the random file name, and the extension $target = $target . $ran2.$ext; 

 if(move_uploaded_file($_FILES['uploaded']['tmp_name'], $target)) 

 {

 echo "The file has been uploaded as ".$ran2.$ext;

 } 

 else

 {

 echo "Sorry, there was a problem uploading your file.";

 }

 ?>