wp-includes/php-ai-client/src/Files/DTO/File.php:120Checks if a string is a valid URL.
$stringstringbool private function isUrl(string $string): bool { return filter_var($string, \FILTER_VALIDATE_URL) !== \false && preg_match('/^https?:\/\//i', $string); }Introduced in 0.1.0. Unchanged from 7.0.4 through 7.1.0.
Signature, return type and hooks compared across 2 parsed releases.
src/wp-includes/php-ai-client/src/Files/DTO/File.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.