<?php

require_once '../vendor/autoload.php';
require_once 'config.php';
try {
    $result = Paynl\Alliance\Document::upload(array('documentId' => 'D-1234-5678', 'path' => '/path/to/the/file', 'filename' => 'rekeningAfschrift.pdf'));
    var_dump($result->success());
} catch (Exception $e) {
    echo "Error occurred: " . $e->getMessage();
}
<?php

require_once '../vendor/autoload.php';
require_once 'config.php';
try {
    $result = Paynl\Alliance\Document::upload(array('documentId' => 'D-3527-0371', 'path' => array('C:\\Users\\andy\\Documents\\test.png'), 'filename' => 'rekeningAfschrift.png'));
    var_dump($result->success());
} catch (Exception $e) {
    echo "Error occurred: " . $e->getMessage();
}