Description:
------------
I create the archive but when I open it, the file(s) is (are) corrupted.
With path or without path (at the first parameter), the file(s) is corrupted.

Reproduce code:
---------------
<?php
$zip = new ZipArchive;
$res = $zip->open('test.zip', ZipArchive::CREATE);
if ($res === TRUE) {
   $zip->addFile('Untitled-1.jpg', 'Untitled-1.jpg');
   $zip->close();
   echo 'ok';
} else {
   echo 'failed';
}
?>

Expected result:
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I expect to open and extract the file(s) successfully.

Actual result:
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The file(s) from created archive is (are) corrupted.