If you have not cpanel of the server so you can use this php file and extract uploaded zip file.
<?php
ini_set('display_errors', 1);
$zip = new ZipArchive;
if ($zip->open('test.zip') === TRUE) {
$zip->extractTo('./rr/');
$zip->close();
echo "It's extract";
} else {
echo 'failed';
}
?>