<?php if ($_SERVER["REQUEST_METHOD"] == "POST" && isset($_FILES["video"])) { $uploadDir = "uploads/"; $uploadFile = $uploadDir . strtolower(basename($_FILES["video"]["name"])); // Check if the file is a valid video file $videoFileType = strtolower(pathinfo($uploadFile, PATHINFO_EXTENSION)); $allowedExtensions = array("mp4", "avi", "mov", "mkv"); if (in_array($videoFileType, $allowedExtensions)) { $uploaded = move_uploaded_file($_FILES["video"]["tmp_name"], $uploadFile); if ($uploaded) { echo "File uploaded successfully."; } else { echo "Error uploading file."; } } else { echo "Invalid file format. Please upload a valid video file."; } } ?>