urls_to_hyperlinks.php

gistfile1.txt

    /**
     * Find all url's and turn them into hyperlinks if they are not already.
     */
    public function urlsToHyperlinks(string $text): string
    {
        return preg_replace(
            '~(?<!href=[\'"])https?://[\w/._\-&;=?]*(?!</a>)(?=[^\w/._\-&])~s',
            '<a href="$0" target="_blank" rel="noopener noreferrer">$0</a>',
            $text
        );
    }