<?php
$number = 0; // 0 returns all
$args = array( 'number' => $number );
if ( function_exists( 'get_sites' ) ) {
	$site_objects = get_sites( $args );
	$sites = array();

	foreach ( $site_objects as $site ) {
		$sites[] = array(
			'blog_id' => $site->blog_id,
			'domain'  => $site->domain,
			'path'    => $site->path,
			'site_id' => $site->site_id,
		);
	}
	echo '<pre>';
	print_r($sites);
}