wc_maybe_define_constant( string $name, mixed $value )

Define a constant if it is not already defined.

Contents

Description Description

Parameters Parameters

$name

(Required) Constant name.

$value

(Required) Value.

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Source Source

File: includes/wc-core-functions.php 

function wc_maybe_define_constant( $name, $value ) {
	if ( ! defined( $name ) ) {
		define( $name, $value );
	}
}

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Changelog Changelog

Changelog
Version Description
3.0.0 Introduced.

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Used By Used By

Used By
Used By Description
packages/woocommerce-admin/src/Install.php: Install::migrate_options()

Migrate option values to their new keys/names.
packages/woocommerce-blocks/src/Payments/Api.php: Api::process_legacy_payment()

Attempt to process a payment for the checkout API if no payment methods support the woocommerce_rest_checkout_process_payment_with_context action.
includes/class-wc-cache-helper.php: WC_Cache_Helper::set_nocache_constants()

Set constants to prevent caching by some plugins.
includes/wc-core-functions.php: wc_transaction_query()

Run a MySQL transaction query, if supported.
includes/cli/class-wc-cli-rest-command.php: WC_CLI_REST_Command::do_request()

Do a REST Request
includes/cli/class-wc-cli-runner.php: WC_CLI_Runner::register_route_commands()

Generates command information and tells WP CLI about all commands available from a route.
includes/cli/class-wc-cli-tool-command.php: WC_CLI_Tool_Command::register_commands()

Registers just a ‘list’ and ‘run’ command to the WC CLI since we only want to enable certain actions on the system status tools endpoints.
includes/legacy/class-wc-legacy-api.php: WC_Legacy_API::handle_rest_api_requests()

Handle REST API requests.
includes/class-wc-ajax.php: WC_AJAX::link_all_variations()

Link all variations via ajax function.
includes/class-wc-ajax.php: WC_AJAX::update_order_review()

AJAX update order review on checkout.
includes/class-wc-ajax.php: WC_AJAX::checkout()

Process ajax checkout form.
includes/class-wc-ajax.php: WC_AJAX::update_shipping_method()

AJAX update shipping method on cart page.
includes/class-wc-ajax.php: WC_AJAX::get_cart_totals()

AJAX receive updated cart_totals div.
includes/class-wc-ajax.php: WC_AJAX::define_ajax()

Set WC AJAX constant and headers.
includes/class-wc-install.php: WC_Install::run_update_callback_start()

Triggered when a callback will run.
includes/class-wc-install.php: WC_Install::install()

Install WC.
includes/class-wc-form-handler.php: WC_Form_Handler::checkout_action()

Process the checkout form.
includes/class-wc-checkout.php: WC_Checkout::process_checkout()

Process the checkout after the confirm order button is pressed.
includes/class-wc-background-updater.php: WC_Background_Updater::task()

Task
includes/class-wc-query.php: WC_Query::pre_get_posts()

Hook into pre_get_posts to do the main product query.
includes/shortcodes/class-wc-shortcode-cart.php: WC_Shortcode_Cart::output()

Output the cart shortcode.
packages/woocommerce-admin/src/Install.php: Install::install()

Install WC Admin.
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