Woocommerce check page ID and if not there then set it.

functions.php

<?php
/*
Function: Check Pages to see if WooCommerce pages are set.
Description: Woocommerce check page ID and if not there then set it. Sometimes the woocommerce pages because unset for some reasons, use this to check it and set it automatically.
Params: None
Author: Anthony Brown (Codeable)
Email: anthony@worcesterwideweb.com
*/
function check_wp_pages_installed(){


#default options for all woo pages
$options = array(	'shop'=>'woocommerce_shop_page_id',
			'cart'=>'woocommerce_cart_page_id',
			'checkout'=>'woocommerce_checkout_page_id',
			'myaccount'=>'woocommerce_myaccount_page_id' ,
			'terms'=> 'woocommerce_terms_page_id'
		 );



#these are the default page IDs for each area of woocommerce, leave blank to not set.
$defaults = array(	'shop'=>75327,
			'cart'=>6,
			'checkout'=>7,
			'myaccount'=>72845,
			'terms'=>''
		 );



#this is an array of what is currently in the database				  
$current = array(	'shop'=> get_option( 'woocommerce_shop_page_id' ),
			'cart'=>get_option( 'woocommerce_cart_page_id' ),
			'checkout'=>get_option( 'woocommerce_checkout_page_id' ),
			'myaccount'=>get_option( 'woocommerce_myaccount_page_id' ),
			'terms'=>get_option( 'woocommerce_terms_page_id' )
	        );

		#loop through each set value to see if it exists and it doesn't then set it.
		foreach($current as $page=>$value){
			
						
			if($value == '' && $defaults[$page] != ''){
						
				update_option($options[$page], $defaults[$page]);	
							
			}
			
		}

}
add_action('wp','check_wp_pages_installed');