Automattic\WooCommerce\Api\Attributes

RequiredCapability::authorize │ public │ WC 1.0

Decide whether the given principal holds the required capability.

Reads the WordPress user from the principal wrapper and delegates to \user_can(). Anonymous principals (the WP user has ID === 0) never hold any capability, so the check returns false naturally.

Method of the class: RequiredCapability{}

No Hooks.

Returns

null. Nothing (null).

Usage

$RequiredCapability = new RequiredCapability();
$RequiredCapability->authorize( $principal ): bool;
$principal(Principal) (required)
The resolved request principal.

RequiredCapability::authorize() code WC 10.9.1

woocommerce/src/Api/Attributes/RequiredCapability.php 
public function authorize( Principal $principal ): bool {
	return user_can( $principal->user, $this->capability );
}