Open hours

if ( $hours_range != NULL ) {
            $start_time = strtotime( $start_time );
            $end_time   = strtotime( $end_time );
            $open_diff  = $start_time - $current_time;
            $end_diff   = $end_time - $current_time;
            // echo $open_diff;
            // echo "<br />";
            // echo $end_diff;
            if ( $current_time >= $start_time && $current_time <= $end_time ) {

                /* ------------------------------ Closing Soon ------------------------------ */

                if ( $end_diff <= 7200 ) {
                    $open_caption  = "Closing soon";
                    $opening_class = "closing_soon";
                } else {
                    $open_caption  = "Open now";
                    $opening_class = "opening";
                }
            } else {

                /* ------------------------------ Opening Soon ------------------------------ */

                if ( $open_diff < 10800 && $open_diff > 0 ) {
                    $open_caption  = "Open soon";
                    $opening_class = "open_soon";
                } elseif ( $end_time > 14400 && $end_diff < 0 ) {

                    /* ------------------------------- Opening at ------------------------------- */

                    $stime = '';
                    if ( is_array( $strings ) ) {
                        for ( $i = 0; $i < count( $strings ); $i++ ) {
                            if ( strpos( $strings[$i], 'Closed' ) > 0 ) {
                                $next_index = $i + 1;
                                if ( !array_key_exists( $next_index, $strings ) ) {
                                    $next_index = 0;
                                }
                            break;
                            } else {
                                $next_index = 0;
                            }
                        }
                    }

                    $open_day = $strings[$next_index];
                    // echo $open_day;
                    $open_caption  = "Opening at {$open_day}";
                    $opening_class = "opening_at";
                } else {
                    $open_caption  = "Closed";
                    $opening_class = "closed";
                }
            }
        } elseif ( $show_working_status != NULL ) {
            $open_caption  = $show_working_status;
            $opening_class = "";
        } else {
            $open_caption  = "No Data";
            $opening_class = "";
        }