#_REGOSTART

function em_rego_start( $replace, $EM_Event, $result ) {

    if ( $result == '#_REGOSTART' ) {

        // IMPORTANT : DST OFFSET MUST BE SET
        $tz_offset = get_option( 'gmt_offset' );
        $tz_diff   = '+' . get_option( 'gmt_offset' ) . ' hours';
        $now       = date( 'Y-m-d  H:i:s', strtotime( $tz_diff ) );
        $regostart = '';
        $min       = 0;
        $max       = 0;

        if ( ! $EM_Event->event_rsvp && get_option( 'dbem_rsvp_enabled' ) ) { // if no bookings are enabled

            $replace = 't.b.a.';

        } else { // if bookings are enabled

            $endstring = 0;
            if ( $EM_Event->event_rsvp_date ) {
                $rsvp        = '';
                $rsvp        .= $EM_Event->event_rsvp_date;
                $rsvp        .= ' ';
                $rsvp        .= $EM_Event->event_rsvp_time;
                $endstring   = strtotime( $rsvp );
            }
            $nowstring   = strtotime( $now );

            if ( $nowstring > $endstring ) { // if end date has passed
                $replace = 'Closed';
            } else {

                // loop through tickets
                foreach ( $EM_Event->get_tickets()->tickets as $EM_Ticket ) {
                    if ( $EM_Ticket->is_available() || get_option( 'dbem_bookings_tickets_show_unavailable' ) ) {
                        if ( current_user_can( 'access_s2member_level2' ) ) {
                            if ( $EM_Ticket->ticket_start < $min || $min == 0 ) {
                                $min = $EM_Ticket->ticket_start;
                            }
                        } else {
                            if ( $EM_Ticket->ticket_start > $min ) {
                                $min = $EM_Ticket->ticket_start;
                            }
                        }
                    }
                }
                $regostart   = $min;
                $date_format = date( "j/n @ H:i", strtotime( $regostart ) );
                $startstring = strtotime( $regostart );

                if ( ! empty( $startstring ) ) { // if start date is set
                    if ( $nowstring > $startstring ) { // if start date has passed
                        if ( $nowstring > $endstring ) { // if end date has passed
                            $replace = 'Closed';
                        } else {

                            $available = 0;

                            // to create: if ticket is closed but rsvp date is not passed
                            $get_places     = $EM_Event->event_spaces; // total spaces
                            $booked_places  = $EM_Event->get_bookings()->get_booked_spaces();   // confirmed bookings
                            $pending_places = $EM_Event->get_bookings()->get_pending_spaces();  // pending spaces
                            $available      = $get_places - $booked_places - $pending_places;
                            $is_open        = $EM_Event->get_bookings()->is_open(); // whether there are any available tickets right now
                            if ( $available > 0 ) { // if available tickets is more than 0
                                if ( is_user_logged_in() && ! current_user_can( 'access_s2member_level1' ) ) {
                                    // $replace = 'Now open, but you need to renew your IDF membership first.';
                                    if ( date( 'Y-m-d' ) >= $EM_Event->event_start_date ) {
                                        $replace = 'Closed';
                                    } else {
                                        $replace = 'Open *';
                                    }
                                } else if ( current_user_can( 'access_s2member_level1' ) ) {
                                    if ( $is_open ) {
                                        $replace = 'Open';
                                    } else {
                                        $replace = 'Closed';
                                    }
                                } else {
                                    if ( date( 'Y-m-d' ) >= $EM_Event->event_start_date ) {
                                        $replace = 'Closed';
                                    } else {
                                        $replace = 'Open';
                                    }
                                }

                            } else {
                                $replace = '<b>Sold out !</b>';
                            }
                        }
                    } else { // if start date hasn't passed

                        $replace = $date_format;

                    }
                } else {
                    $replace = "t.b.a.";
                }

            }

        }
    }

    return $replace;
}
add_filter( 'em_event_output_placeholder', 'em_rego_start', 1, 4 );