wp-includes/SimplePie/src/Misc.php:1725Strip HTML comments
$datastringstring public static function strip_comments(string $data) { // trigger_error(sprintf('Using method "' . __METHOD__ . '" is deprecated since SimplePie 1.9.'), \E_USER_DEPRECATED); $output = ''; while (($start = strpos($data, '<!--')) !== false) { $output .= substr($data, 0, $start); if (($end = strpos($data, '-->', $start)) !== false) { $data = substr_replace($data, '', 0, $end + 3); } else { $data = ''; } } return $output . $data; }Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/SimplePie/src/Misc.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.