How we can upload videos using PHP?

When want to upload videos using PHP we should follow these steps:
1.first you have to encrypt the the file which you want to upload by using "multipart-form-data" to get the $_FILES in the form submition.
2.After getting the $_FILES['tmp_name'] in the submition 
3.By using move_uploaded_file (tmp_location,destination) function in PHP we can move the file from original location.