(int) wc_get_page_id( $page );
Возвращает -1, если страница не найдена.
$page (string)
if ( !function_exists( 'wc_get_page_id' ) ) {
require_once '/includes/wc-page-functions.php';
}
$page = '';
$result = wc_get_page_id($page);
Функция определена в файле /includes/wc-core-functions.php
/**
* Retrieve page ids - used for myaccount, edit_address, shop, cart, checkout, pay, view_order, terms. returns -1 if no page is found.
*
* @param string $page
* @return int
*/
function wc_get_page_id( $page ) {
if ( 'pay' == $page || 'thanks' == $page ) {
wc_deprecated_argument( __FUNCTION__, '2.1', 'The "pay" and "thanks" pages are no-longer used - an endpoint is added to the checkout instead. To get a valid link use the WC_Order::get_checkout_payment_url() or WC_Order::get_checkout_order_received_url() methods instead.' );
$page = 'checkout';
}
if ( 'change_password' === $page || 'edit_address' === $page || 'lost_password' === $page ) {
wc_deprecated_argument( __FUNCTION__, '2.1', 'The "change_password", "edit_address" and "lost_password" pages are no-longer used - an endpoint is added to the my-account instead. To get a valid link use the wc_customer_edit_account_url() function instead.' );
$page = 'myaccount';
}
$page = apply_filters( 'woocommerce_get_' . $page . '_page_id', get_option( 'woocommerce_' . $page . '_page_id' ) );
return $page ? absint( $page ) : -1;
}