How to cancel a file upload using an iframe?

Upload file using php code for Doc and pdf file?

• Can anyone please tell me what changes i have to make in this code below to make this file upload restricted to doc, pdf, rtf only thank you <?php if ...show more

• Answer:

  $allowedExts = array("gif", "jpeg", "jpg", "png" , “pdf”); $temp = explode(".", $_FILES["file"]["name"]); $extension = end($temp); if ((($_FILES["file"]["type"] == "image/gif") || ($_FILES["file"]["type"] == "image/jpeg") || ($_FILES["file"]["type"] == "image/jpg") || ($_FILES["file"]["type"] == "application/pdf") || ($_FILES["file"]["type"] == "image/x-png") || ($_FILES["file"]["type"] == "image/png")) && ($_FILES["file"]["size"] < 20000) && in_array($extension, $allowedExts))