Answers for "upload file + rename file php"

rename file php

rename('old_filename.txt', 'new_filename.txt');

how to upload image and rename in php

$temp = explode(".", $_FILES["file"]["name"]);
$newfilename = round(microtime(true)) . '.' . end($temp);
move_uploaded_file($_FILES["file"]["tmp_name"], "../img/imageDirectory/" . $newfilename);