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PHP File Upload

Uploading files to a server is a simple task in PHP. PHP facilitates some unique features of uploading a file to a server:

  • Both single and multiple files can be uploaded easily in PHP.
  • Both binary and text files can be uploaded in PHP.
  • PHP provides various other functions and methods to check and to control the features associated with file uploading, like knowing a file size and its type, or to move the uploaded file to a new location.

php.ini File:

To allow file uploads in PHP, the php.ini file must be configured such that the file_uploads directive is set ON inside the php.ini file.


PHP provides a superglobal variable, $_FILES which contains all the informations about a file, including a file name, its type, size, temp name and any errors present in it.

Uses of $_FILES:

$_FILES[‘filename’][‘name’] $_FILES is used to return the name of a file.
$_FILES[‘filename’][‘type’] $_FILES is used to return the MIME type of a file.
$_FILES[‘filename’][‘size’] $_FILES is used to return the bytes size of a file.
$_FILES[‘filename’][‘tmp_name’] $_FILES is used to return the temporary file name stored on the server.
$_FILES[‘filename’][‘error’] $_FILES is used to return the error code associated with a file.

PHP move_uploaded_file() Function:

PHP move_uploaded_file() function is used to move an uploaded file to a new destination.



Features of PHP move_uploaded_file() Function:

  • PHP move_uploaded_file() function moves the files uploaded via HTTP POST only.
  • PHP move_uploaded_file() function creates a new file at the destination or overwrites the existing destination file.
  • PHP move_uploaded_file() function returns a TRUE value, if the file is moved successfully and returns a FALSE value, if the process of moving the uploaded file to a new destination fails.


<!DOCTYPE html>
$target_dir = "php_examples/";
$target_file = $target_dir . basename($_FILES["fileToUpload"]["name"]);
if (move_uploaded_file($_FILES["fileToUpload"]["tmp_name"], $target_file)) 
echo "The file has been successfully uploaded.";
echo "File not uploaded. Something is Wrong";


The file has been successfully uploaded.
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