PHP ZipArchive::extractTo() truncates path segments ending in `.`

gistfile1.php

<?php
$filename = 'test-archive.zip';

if (is_readable('test/test.txt')) {
    unlink('test/test.txt');
}
if (is_readable('test./test.txt')) {
    unlink('test./test.txt');
}
if (is_readable('.test/test.txt')) {
    unlink('.test/test.txt');
}
if (is_readable('test')) {
    rmdir('test');
}
mkdir('test');
if (is_readable('test.')) {
    rmdir('test.');
}
mkdir('test.');
if (is_readable('.test')) {
    rmdir('.test');
}
mkdir('.test');
if (is_readable('test-extract')) {
    if (is_readable('test-extract/test.txt')) {
        unlink('test-extract/test.txt');
    }
    if (is_readable('test-extract/test/test.txt')) {
        unlink('test-extract/test/test.txt');
        rmdir('test-extract/test');
    }
    if (is_readable('test-extract/.test/test.txt')) {
        unlink('test-extract/.test/test.txt');
        rmdir('test-extract/.test');
    }
    if (is_readable('test-extract/test./test.txt')) {
        unlink('test-extract/test./test.txt');
        rmdir('test-extract/test.');
    }
    rmdir('test-extract');
}
mkdir('test-extract');

file_put_contents('test/test.txt', 'This is just a text file.');
file_put_contents('test./test.txt', 'This is just a text file.');
file_put_contents('.test/test.txt', 'This is just a text file.');

if (is_readable($filename)) {
    unlink($filename);
}

$archive = new ZipArchive();
$archive->open($filename, ZipArchive::CREATE|ZipArchive::OVERWRITE);
$archive->addFile('test/test.txt');
$archive->addFile('test./test.txt');
$archive->addFile('.test/test.txt');
$archive->close();


$archive = new ZipArchive();
$archive->open($filename);

$error = $archive->open($filename);

if ($error !== true) {
    var_dump($error);
} else {
    echo "Opened archive {$filename} successfully\n";
}

for ($i = 0; $i < $archive->numFiles; $i++) {
    echo $archive->getNameIndex($i) . "\n";
}

$result = $archive->extractTo('test-extract/');

if (!file_exists('test-extract/test./test.txt')) {
    echo "Extract failure: expected file to exist at test-extract/test./text.txt\n";
}