WP_Block_Pattern_Categories_Registry::register( string $category_name, array $category_properties ): bool

Source

public function register( $category_name, $category_properties ) {
	if ( ! isset( $category_name ) || ! is_string( $category_name ) ) {
		_doing_it_wrong(
			__METHOD__,
			__( 'Block pattern category name must be a string.' ),
			'5.5.0'
		);
		return false;
	}

	$category = array_merge(
		array( 'name' => $category_name ),
		$category_properties
	);

	$this->registered_categories[ $category_name ] = $category;

	// If the category is registered inside an action other than `init`, store it
	// also to a dedicated array. Used to detect deprecated registrations inside
	// `admin_init` or `current_screen`.
	if ( current_action() && 'init' !== current_action() ) {
		$this->registered_categories_outside_init[ $category_name ] = $category;
	}

	return true;
}

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