image uploading

function imageuploading()

{

//get the original name of the file from the clients machine

$filename = stripslashes($_FILES['image']['name']);

//get the extension of the file in a lower case format

$extension = getExtension($filename);

$extension = strtolower($extension);

//if it is not a known extension, we will suppose it is an error and will not upload the file, otherwise we will do more tests

if (($extension != "jpg") && ($extension != "jpeg") && ($extension != "png") && ($extension != "gif"))

{

//print error message

echo '

Unknown extension!

';

$errors=1;

}

else

{

//get the size of the image in bytes

//$_FILES['image']['tmp_name'] is the temporary filename of the file

//in which the uploaded file was stored on the server

$size=filesize($_FILES['image']['tmp_name']);

//compare the size with the maxim size we defined and print error if bigger

if ($size > MAX_SIZE*1024)

{

echo '

You have exceeded the size limit!

';

$errors=1;

}

//we will give an unique name, for example the time in unix time format

$image_name=time().'.'.$extension;

//the new name will be containing the full path where will be stored (images folder)

$newname="images/".$image_name;

//we verify if the image has been uploaded, and print error instead

$copied = copy($_FILES['image']['tmp_name'], $newname);

if (!$copied)

{

echo '

Copy unsuccessfull!

';

$errors=1;

}

}

return $newname;

}

/********************Image Uplaoding ***********************/

$MM_authorizedUsers = "";

$MM_donotCheckaccess = "true";

define ("MAX_SIZE","2000");

/*****************************Uploading End ************************/

$image = $_FILES['image']['name'];

if($image)

{

$newname = imageuploading();

}else {

$newname = NULL;

}