modify time slots for date or date

filter-to-modify-time-slots.php

<?php

add_filter('pisol_dtt_forced_time_slots', 'filter_time_slots',10, 4);

function filter_time_slots($time_slots, $day_if_week, $date, $delviery_type){
	/**
		you can make your custom logic to here to add new time slots, or remove existing, based on the day or specific date
		
			$time_slots = array(
				array('from' =>"12:00 AM", 'to' => "12:15 AM", 'order_limit' => ""),
				array('from' =>"12:30 AM", 'to' => "01:15 AM", 'order_limit' => ""),
				array('from' =>"02:00 AM", 'to' => "03:15 AM", 'order_limit' => ""),
			);
	*/
	/**
	 * this below code remove the first slot of array('from' =>"12:00 AM", 'to' => "12:15 AM", 'order_limit' => ""),
	 * from the time slot for date 2020/06/30
	 * for other date this time slot will be available normally
	 */
	if($date == '2020/06/30'){
		foreach($time_slots as $key => $slot){
			if($slot['from'] == "12:00 AM"){
				unset($time_slots[$key]);
			}
		}
	}
	
	return $time_slots;
}