WP_REST_Global_Styles_Controller::get_item( WP_REST_Request $request ): WP_REST_Response|WP_Error

Source

 * @return true|WP_Error True if the request has write access for the item, WP_Error object otherwise.
 */
public function update_item_permissions_check( $request ) {
	$post = $this->get_post( $request['id'] );
	if ( is_wp_error( $post ) ) {
		return $post;
	}

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