How to Upload Image File in php

// To Save file into server
$upload_dir = 'uploadfile/';

// Check
if(@!opendir($upload_dir))
{
mkdir($upload_dir , 0755);
}

if (is_uploaded_file($_FILES['userfile']['tmp_name'])) {
// Start Code for Report
$filename = time().'_'.$_FILES['userfile']['name'];
$uploaded_file = $upload_dir.$filename;
copy($_FILES['userfile']["tmp_name"],$uploaded_file);
}
else
{
echo “file not upload successful”;
}

for more information visit:-
http://webexpert.wordpress.com/2008/09/05/upload-file-using-php/