Outlook Safe Links URL Replacer in Laravel (replace safe link URLs with their true value)

SafeLinksReplacer.php

<?php

namespace App\Support;

use DOMXPath;
use DOMDocument;

class SafeLinksReplacer
{
    public static function replace(string $html): string
    {
        $doc = new DOMDocument('1.0', 'UTF-8');

        // Suppress errors due to malformed HTML.
        libxml_use_internal_errors(true);

        $doc->loadHTML($html, LIBXML_HTML_NOIMPLIED | LIBXML_HTML_NODEFDTD);

        $xpath = new DOMXPath($doc);

        libxml_clear_errors();

        foreach ($xpath->query('//a[@originalsrc]') as $link) {
            $link->setAttribute('href', $link->getAttribute('originalsrc'));

            $link->removeAttribute('originalsrc');
        }

        return $doc->saveHTML();
    }
}