WDS - Disable Monday (weekday) for given product in cart

wds.php

<?php
/**
  * Modify allowed days based on cart items.
  *
  * @param array $allowed_days
  * @param bool  $minmax
  *  * @return mixed
  */
  function iconic_wds_modify_allowed_days( $allowed_days, $minmax ) { 
    if ( $minmax ) { 
        return $allowed_days; 
    } 

    // Check if any food items are in the cart. 
    // @todo modify product ids.
    $in_cart = iconic_check_for_cart_item_in_cart( array( 150 ) ); 

    // If no, return normal settings. 
    if ( ! $in_cart ) { 
        return $allowed_days; 
    }

	// disable monday
	$allowed_days[1] = false;

    return $allowed_days; 
} 

add_filter( 'iconic_wds_allowed_days', 'iconic_wds_modify_allowed_days', 10, 2 ); 

/**
 * Check cart for product in category.
 *
 * @param array $categories Categories.
 *
 * @return bool
 */
function iconic_check_for_cart_item_in_cart( $product_ids = array() ) {
	if ( empty( $product_ids ) || empty( WC()->cart ) ) {
		return false;
	}

	// Set our flag to be false until we find a product with matching ID.
	$has_item = false;

	// Loop through cart items to check for matching product IDs.
	foreach ( WC()->cart->get_cart() as $cart_item ) {
		$product_id = $cart_item['product_id'];
		
		if ( in_array( $product_id, $product_ids ) ) {
			$has_item = true;
			break;
		}
	}

	return $has_item;
}