<?php
if(isset($_REQUEST['submit']))
{
 $filename= $_FILES["imgfile"]["name"];
 if ((($_FILES["imgfile"]["type"] == "image/gif")|| ($_FILES["imgfile"]["type"] == "image/jpeg") || ($_FILES["imgfile"]["type"] == "image/png") || ($_FILES["imgfile"]["type"] == "image/pjpeg")) && ($_FILES["imgfile"]["size"] < 200000))
 {
 if(file_exists($_FILES["imgfile"]["name"]))
 {
 echo "File name exists.";
 }
 else
 {
 move_uploaded_file($_FILES["imgfile"]["tmp_name"],"uploads/$filename");
 echo "Upload Successful . <a href='uploads/$filename'>Click here</a> to view the uploaded image";
 }
 }
 else
 {
 echo "invalid file.";
 }
}
else
{
?>
<form method="post" enctype="multipart/form-data">
File name:<input type="file" name="imgfile"><br>
<input type="submit" name="submit" value="upload">
</form>
<?php
}
?>