WP_CLI

Autoloader::register() │ public │ WP-CLI 1.0

Registers the autoload callback with the SPL autoload system.

Method of the class: Autoloader{}

No Hooks.

Return

null. Nothing (null).

Usage

$Autoloader = new Autoloader();
$Autoloader->register();

Autoloader::register() code WP-CLI 2.8.0-alpha

wp-cli/php/WP_CLI/Autoloader.php 
public function register() {
	spl_autoload_register( [ $this, 'autoload' ] );
}