function MailFormatHelper::htmlToMailUrls

Keeps track of URLs and replaces them with placeholder tokens.

Callback for preg_replace_callback() within \Drupal\Core\Mail\MailFormatHelper::htmlToText().

File

core/lib/Drupal/Core/Mail/MailFormatHelper.php, line 326

Class

MailFormatHelper

Defines a class containing utility methods for formatting mail messages.

Namespace

Code

protected static function htmlToMailUrls($match = NULL, $reset = FALSE) {
    // @todo Use request context instead.
    global $base_url, $base_path;
    if ($reset) {
        // Reset internal URL list.
        static::$urls = [];
    }
    else {
        if (empty(static::$regexp)) {
            static::$regexp = '@^' . preg_quote($base_path, '@') . '@';
        }
        if ($match) {
            [
                ,
                ,
                $url,
                $label,
            ] = $match;
            // Ensure all URLs are absolute.
            static::$urls[] = strpos($url, '://') ? $url : preg_replace(static::$regexp, $base_url . '/', $url);
            return $label . ' [' . count(static::$urls) . ']';
        }
    }
    return static::$urls;
}