Automattic\WooCommerce\Blocks\Assets

AssetDataRegistry::add() │ public │ WC 1.0

Interface for adding data to the registry.

You can only register data that is not already in the registry identified by the given key. If there is a duplicate found, unless $ignore_duplicates is true, an exception will be thrown.

Method of the class: AssetDataRegistry{}

No Hooks.

Return

null. Nothing (null).

Usage

$AssetDataRegistry = new AssetDataRegistry();
$AssetDataRegistry->add( $key, $data, $check_key_exists );
$key(string) (required)
The key used to reference the data being registered. This should use camelCase.
$data(mixed) (required)
If not a function, registered to the registry as is. If a function, then the callback is invoked right before output to the screen.
$check_key_exists(true|false)
Deprecated. If set to true, duplicate data will be ignored if the key exists. If false, duplicate data will cause an exception.
Default: false

AssetDataRegistry::add() code WC 9.2.3

woocommerce/src/Blocks/Assets/AssetDataRegistry.php 
public function add( $key, $data, $check_key_exists = false ) {
	if ( $check_key_exists ) {
		wc_deprecated_argument( 'Automattic\WooCommerce\Blocks\Assets\AssetDataRegistry::add()', '8.9', 'The $check_key_exists parameter is no longer used: all duplicate data will be ignored if the key exists by default' );
	}

	$this->add_data( $key, $data );
}