PHP: Safe PCRE Regex Match `spreg_match(...)`

spreg_match.php

<?php

if (! function_exists('spreg_match')) {
    function spreg_match(
        string $pattern,
        string $subject,
        array &$matches = null,
        int $flags = 0,
        int $offset = 0
    ): ?string {
        $return = null;
        $subject = substr($subject, $offset);

        try {
            $res = @preg_match($pattern, $subject, $matches, $flags, $offset);
    
            if (preg_last_error() !== PREG_NO_ERROR) {
                throw new \Exception(preg_last_error_msg());
            } elseif ($res === 1 && count($matches) > 1) {
                $return = array_shift($matches);
            }
        } catch (\Throwable $e) {
            die('Error: ' . $e->getmessage());
        }

        return $return;
    }
}