Convert Google Fonts embed URL to self-hosted font package

convert.php

<?php
/*
How to Use:

1. Go to GoogleFonts, and save the URL from the font embedding code in a new directory as `gfont-data.css`.
2. Save this script in the same directory as `convert.php`
3. Run the script via the command line: `php -f convert.php`.
4. The script will create a `downloaded` folder, download all fonts into it, and update the CSS file to point to these local copies.
5. The updated CSS file will be saved as `fonts.css` in the same directory.t
6. Now you can upload it to your site and import it using `@import url(/assets/fonts/fonts.css)`.
*/

$cssContent = file_get_contents('gfont-data.css');
preg_match_all('/url\((https:\/\/fonts\.gstatic\.com\/[^)]+)\)/', $cssContent, $matches);
$downloadDir = './downloaded';
if (!is_dir($downloadDir)) {
    mkdir($downloadDir, 0755, true);
}
foreach ($matches[1] as $url) {
    $fileName = basename($url);
    $newFilePath = $downloadDir . '/' . $fileName;
    file_put_contents($newFilePath, file_get_contents($url));
    $cssContent = str_replace($url, $newFilePath, $cssContent);
}
file_put_contents('fonts.css', $cssContent);
echo "Fonts downloaded and CSS file updated.";