Show months in order from current month.

gistfile1.php

<select class="ec-simple-select selectized js-month-select" name="select-month" placeholder="Select an month" tabindex="-1" style="display: none;">
    <?php
        for ($i=5; $i >= 1; $i--) {
            echo '<option value="'.base_url().'events/bookings/'.((($current_month-$i) <= 0) ? ($current_year-1) : $current_year ).'/'.((($current_month-$i) <= 0) ? (12 + ($current_month-$i)) : ($current_month-$i)).'" >'.date('F', strtotime('01-'.((($current_month-$i) <= 0) ? (12 + ($current_month-$i)) : ($current_month-$i)).'-'.$current_year)).' '.((($current_month-$i) <= 0) ? ($current_year-1) : $current_year ).'</option>';
        }
    ?>
    <option value="<?php echo base_url();?>events/bookings/<?php echo $current_year;?>/<?php echo $current_month;?>" selected="selected"><?php echo date('F', strtotime('01-'.$current_month.'-'.$current_year));?> <?php echo ($this->uri->segment(3)) ? $this->uri->segment(3) : $current_year;?></option>
    <?php
        for ($i=1; $i <= 6; $i++) {
            echo '<option value="'.base_url().'events/bookings/'.((($current_month+$i) >= 13) ? ($current_year+1) : $current_year ).'/'.((($current_month+$i) >= 13) ? (($current_month+$i) - 12) : ($current_month+$i)).'" >'.date('F', strtotime('01-'.((($current_month+$i) >= 13) ? (($current_month+$i) - 12) : ($current_month+$i)).'-'.$current_year)).' '.((($current_month+$i) >= 13) ? ($current_year+1) : $current_year ).'</option>';
        }
    ?>
</select>