Aşagıda kod ile upload yapıyorum fakat ismi dosya ısmı degil sebebi nedir acaba yardımcı olurmusunuz?
<?php
function yandexDiskUpload($user, $password, $file, $fileName = NULL, $folder =dosya)
{
$yandexWebDavUrl = $folder ? "https://webdav.yandex.com.tr/$folder/": "https://webdav.yandex.com.tr/";
$fileHandler = fopen($file['tmp_name'], 'r');
$fileDetails = explode('.', strtolower($file['name']));
$findExtension = end($fileDetails);
if ( isset($fileName) ) $fileName = $fileName.'.'.$findExtension; else $fileName = uniqid().'.'.$findExtension;
$ch = curl_init($yandexWebDavUrl . $fileName);
curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_ANY);
curl_setopt($ch, CURLOPT_USERPWD, "$user:$password");
curl_setopt($ch, CURLOPT_PUT, TRUE);
curl_setopt($ch, CURLOPT_INFILE, $fileHandler);
$result = curl_exec($ch);
fclose($fileHandler);
