Operators<\/strong><\/p>\n\n\n!<\/code> (not) to reverse<\/strong> the logic, eg !is_home()<\/code> is TRUE when this is NOT the home page.<\/li>\n||<\/code> (or) to combine<\/strong> conditions. X || Y<\/code> is TRUE when either X or Y is true.<\/li>\n&&<\/code> (and) to make conditions more specific<\/strong>. X && Y<\/code> is TRUE when both X and Y are true.<\/li>\n<\/ul><\/li>\nWordPress Conditional Checks<\/strong><\/p>\n\n\nis_home()<\/code> -- just the main blog page<\/li>\n!is_page('about')<\/code> -- everywhere except this specific WP page<\/li>\nis_user_logged_in()<\/code> -- shown when a user is logged in<\/li>\nis_category(array(5,9,10,11))<\/code> -- category page of one of the given category IDs<\/li>\nis_single() && in_category('baked-goods')<\/code> -- single post that\u2019s in the \u201cbaked-goods\u201d category<\/li>\ncurrent_user_can('administrator')<\/code> -- admin-only blocks<\/li>\nstrpos($_SERVER['HTTP_REFERER'], \"google.com\") !== false<\/code> -- blocks to show when clicked through from Google<\/li>\nis_category() && in_array($cat, get_term_children(5, 'category'))<\/code> -- category page that\u2019s a descendant of category 5<\/li>\nin_array(77, get_post_ancestors($post))<\/code> -- WP page that is a child of page 77<\/li>\nis_page('home') || $post->post_parent == 13<\/code> -- home page or the page that\u2019s a child of page 13<\/li>\n<\/ul><\/li>\nWordPress Post & Term Checks<\/strong><\/p>\n\n\nhas_term('special-offer', 'category', $post)<\/code> -- post has a specific category term<\/li>\nget_post_meta(get_the_ID(), 'featured', true) == 'yes'<\/code> -- check a meta field value<\/li>\nget_post_type() == 'product'<\/code> -- current post type is a WooCommerce product<\/li>\nis_sticky()<\/code> -- sticky posts only<\/li>\nhas_post_thumbnail()<\/code> -- only posts\/pages with a featured image<\/li>\nget_the_category()<\/code> -- fetch post categories (can be used in expressions)<\/li>\nget_the_tags()<\/code> -- fetch post tags<\/li>\n<\/ul><\/li>\nWooCommerce-Specific Checks<\/strong><\/p>\n\n\nWC()->cart && WC()->cart->get_cart_contents_count() > 0<\/code> -- cart has at least one item<\/li>\nWC()->cart && WC()->cart->total > 50<\/code> -- cart total is more than $50<\/li>\nis_product() && get_post_meta(get_the_ID(), '_sale_price', true) !== ''<\/code> -- product has a sale price<\/li>\nis_product_category('shoes') && WC()->cart<\/code> -- category page \u201cshoes\u201d and cart exists<\/li>\nis_user_logged_in() && WC()->cart && WC()->cart->get_cart_contents_count() > 0<\/code> -- logged-in user and cart has items<\/li>\n<\/ul><\/li>\nACF Checks (Read-only)<\/strong><\/p>\n\n\nget_field('featured') == true<\/code> -- ACF field \u201cfeatured\u201d is true<\/li>\nget_sub_field('discount') > 0<\/code> -- ACF subfield \u201cdiscount\u201d has a value<\/li>\nget_row() > 0<\/code> -- there are ACF repeater rows<\/li>\nget_field_object('product_info')['value'] !== ''<\/code> -- check ACF field object value<\/li>\n<\/ul><\/li>\nPHP Helpers<\/strong><\/p>\n\n\nin_array('baked-goods', wp_get_post_categories($post))<\/code> -- category array check<\/li>\nstrpos(get_permalink($post), 'sale') !== false<\/code> -- check if permalink contains \u201csale\u201d<\/li>\nempty(get_post_meta(get_the_ID(), 'stock', true))<\/code> -- post has no stock meta<\/li>\ncount(WC()->cart->get_cart()) > 1<\/code> -- more than 1 item in cart<\/li>\ntime() > strtotime('2026-01-01')<\/code> -- check current timestamp<\/li>\nnumber_format(WC()->cart->total, 2)<\/code> -- format cart total<\/li>\nround(get_post_meta(get_the_ID(), 'rating', true)) > 4<\/code> -- rating is greater than 4<\/li>\n<\/ul><\/li>\n<\/ol><\/dd>\nSupported functions and globals<\/h3><\/dt>\nBlock Logic comes with a set of safe WordPress, WooCommerce, ACF, and PHP helper functions, as well as selected globals and superglobals. These can be used in block logic expressions to control the display of blocks dynamically.<\/p>\n\n
\nAllowed Superglobals<\/strong><\/p>\n\n\n- By default, only safe, read-only superglobals are available. Developers can extend this list via the
block_logic_allowed_superglobals<\/code> filter.\n\n\n$_GET<\/code> -- query parameters<\/li>\n$_POST<\/code> -- submitted form data<\/li>\n$_SERVER<\/code> -- server\/environment info (e.g., $_SERVER['HTTP_REFERER']<\/code>)<\/li>\n$_COOKIE<\/code> -- cookies<\/li>\n<\/ul><\/li>\nExample usage:<\/p>\n\n
!empty($_GET['ref']) && strpos($_SERVER['HTTP_REFERER'], 'google.com') !== false\n<\/code><\/pre><\/li>\n<\/ul><\/li>\nAllowed WordPress Globals<\/strong><\/p>\n\n\n- These global variables are accessible inside block logic expressions. Extend the list via the
block_logic_allowed_globals<\/code> filter.\n\n\n$post<\/code> -- current post object<\/li>\n$wp_query<\/code> -- main query object<\/li>\n$wp_the_query<\/code> -- backup of main query<\/li>\n$wp<\/code> -- WP environment object<\/li>\n$wp_rewrite<\/code> -- rewrite rules<\/li>\n$current_user<\/code> -- WP_User object of the current user<\/li>\n$wp_version<\/code> -- WordPress version<\/li>\n<\/ul><\/li>\nExample usage:<\/p>\n\n
in_array($post->ID, get_post_ancestors($post)) && is_user_logged_in()\n<\/code><\/pre><\/li>\n<\/ul><\/li>\nAllowed WordPress Functions<\/strong><\/p>\n\n\n- Overview\n\n
\ncurrent_user_can('administrator')<\/code> -- check user capabilities<\/li>\nget_current_user_id()<\/code> -- current user ID<\/li>\nget_option('blogname')<\/code> -- get site title<\/li>\nget_post_meta(get_the_ID(), 'featured', true)<\/code> -- read post meta<\/li>\nget_post_type()<\/code> -- post type slug<\/li>\nget_the_ID()<\/code> -- current post ID<\/li>\nhas_post_thumbnail()<\/code> -- check if post has featured image<\/li>\nis_page('about')<\/code> -- check if current page is \"about\"<\/li>\n<\/ul><\/li>\nExample usage:<\/p>\n\n
is_page('about') && has_post_thumbnail()\n<\/code><\/pre><\/li>\n<\/ul><\/li>\nACF Functions<\/strong><\/p>\n\n\n- Overview\n\n
\nget_field('featured')<\/code> -- read ACF field value<\/li>\nget_sub_field('discount')<\/code> -- read subfield in repeater<\/li>\nget_row()<\/code> -- number of repeater rows<\/li>\nget_field_object('product_info')['value']<\/code> -- field object value<\/li>\n<\/ul><\/li>\nExample usage:<\/p>\n\n
get_field('featured') == true && get_sub_field('discount') > 0\n<\/code><\/pre><\/li>\n<\/ul><\/li>\nWooCommerce Functions<\/strong><\/p>\n\n\n- Overview\n\n
\nwc_get_cart_contents_count()<\/code> -- number of items in cart<\/li>\nwc_get_cart_total()<\/code> -- cart total<\/li>\nwc_get_cart_subtotal()<\/code> -- cart subtotal<\/li>\nwc_cart_is_empty()<\/code> -- TRUE if cart is empty<\/li>\nwc_customer_get_id()<\/code> -- current customer ID<\/li>\nwc_customer_get_billing_email()<\/code> -- customer billing email<\/li>\nwc_customer_get_shipping_country()<\/code> -- shipping country<\/li>\nwc_customer_get_shipping_state()<\/code> -- shipping state<\/li>\nwc_customer_get_shipping_postcode()<\/code> -- shipping postcode<\/li>\nwc_get_product($product_id)<\/code> -- get WC_Product object<\/li>\n<\/ul><\/li>\nExample usage:<\/p>\n\n
wc_get_cart_contents_count() > 0 && wc_get_cart_total() > 50\n<\/code><\/pre><\/li>\n<\/ul><\/li>\nPHP Helpers<\/strong><\/p>\n\n\n- Overview\n\n
\nstrpos($haystack, $needle)<\/code><\/li>\nin_array($needle, $array)<\/code><\/li>\nempty($var)<\/code><\/li>\nisset($var)<\/code><\/li>\ncount($array)<\/code><\/li>\n