WordPress at a glance
function is not described

WP_REST_Block_Types_Controller::check_read_permission() protected WP 5.5.0

Checks whether a given block type should be visible.

{} It's a method of the class: WP_REST_Block_Types_Controller{}

No Hooks.

Return

WP_Error/true/false. True if the block type is visible, WP_Error otherwise.

Usage

// protected - for code of main (parent) or child class
$result = $this->check_read_permission();

Changelog

Since 5.5.0 Introduced.

Code of WP_REST_Block_Types_Controller::check_read_permission() WP 5.5.1

<?php
protected function check_read_permission() {
	if ( current_user_can( 'edit_posts' ) ) {
		return true;
	}
	foreach ( get_post_types( array( 'show_in_rest' => true ), 'objects' ) as $post_type ) {
		if ( current_user_can( $post_type->cap->edit_posts ) ) {
			return true;
		}
	}

	return new WP_Error( 'rest_block_type_cannot_view', __( 'Sorry, you are not allowed to manage block types.' ), array( 'status' => rest_authorization_required_code() ) );
}