BP_Blogs_Blog::get_all( int|null $limit = null, int|null $page = null )

	public static function get_all( $limit = null, $page = null ) {
		global $wpdb;

		$bp = buddypress();

		$hidden_sql = !bp_current_user_can( 'bp_moderate' ) ? "AND wb.public = 1" : '';
		$pag_sql    = ( $limit && $page ) ? $wpdb->prepare( " LIMIT %d, %d", intval( ( $page - 1 ) * $limit), intval( $limit ) ) : '';

		$paged_blogs = $wpdb->get_results( "SELECT DISTINCT b.blog_id FROM {$bp->blogs->table_name} b LEFT JOIN {$wpdb->base_prefix}blogs wb ON b.blog_id = wb.blog_id WHERE wb.mature = 0 AND wb.spam = 0 AND wb.archived = '0' AND wb.deleted = 0 {$hidden_sql} {$pag_sql}" );
		$total_blogs = $wpdb->get_var( "SELECT COUNT(DISTINCT b.blog_id) FROM {$bp->blogs->table_name} b LEFT JOIN {$wpdb->base_prefix}blogs wb ON b.blog_id = wb.blog_id WHERE wb.mature = 0 AND wb.spam = 0 AND wb.archived = '0' AND wb.deleted = 0 {$hidden_sql}" );

		// Integer casting.
		foreach ( (array) $paged_blogs as $key => $data ) {
			$paged_blogs[ $key ]->blog_id = (int) $paged_blogs[ $key ]->blog_id;
		}

		return array( 'blogs' => $paged_blogs, 'total' => (int) $total_blogs );
	}