Error checking on file upload

I've been working on a script for uploading a file to a Unix server. I'm testing the script and have it coded for error messages using a switch statement. One error that I am getting is case 2 "The file is bigger than this form allows" and I am wondering what might cause me to get the error for case 1 "The file is bigger than this PHP installation allows". Thank you, Althea <form enctype="multipart/form-data" action="getfile.php" method="POST"> <!-- MAX_FILE_SIZE must precede the file input field --> <input type="hidden" name="MAX_FILE_SIZE" value="50000" /> <!-- Name of input element determines name in $_FILES array --> Send this file: <input name="userfile" type="file" /> <br /><br /> <input type="submit" value="Send File" /> </form> --------------------------------------------- $uploaddir = '/home/httpd/vhosts/foxedge.net/httpdocs/lvs/phpclass/uploads/'; $uploadfile = $uploaddir . basename($_FILES['userfile']['name']); echo '<pre>'; if (move_uploaded_file($_FILES['userfile']['tmp_name'], $uploadfile)) { echo "File is valid, and was successfully uploaded.\n"; } else { echo "Possible file upload attack!\n"; switch ($_FILES['userfile'] ['error']) { case 1: print '<p> The file is bigger than this PHP installation allows</p>'; break; case 2: print '<p> The file is bigger than this form allows</p>'; break; case 3: print '<p> Only part of the file was uploaded</p>'; break; case 4: print '<p> No file was uploaded</p>'; break; } } echo 'Here is some more debugging info:'; print_r($_FILES); echo "</pre>";