add_filter( 'http_request_args', function( $args, $url ) {
    $host = parse_url( $url, PHP_URL_HOST );
    if ( $host && preg_match( '/(^|\.)pcloud\.com$/', $host ) ) {
        $args['timeout'] = 60;
    }
    return $args;
}, 10, 2 );<br />
<b>Warning</b>:  Cannot modify header information - headers already sent by (output started at /home/media/public_html/wp-content/mu-plugins/Pcloud-timeout.php:1) in <b>/home/media/public_html/wp-includes/pluggable.php</b> on line <b>1531</b><br />
<br />
<b>Warning</b>:  Cannot modify header information - headers already sent by (output started at /home/media/public_html/wp-content/mu-plugins/Pcloud-timeout.php:1) in <b>/home/media/public_html/wp-includes/pluggable.php</b> on line <b>1534</b><br />