pento

<?php
function hunter2( $comment_text, $comment ) {
	if ( get_current_user_id() !== $comment->user_id ) {
		$comment_text = str_replace( 'hunter2', '*******', $comment_text );
	}
	return $comment_text;
}
add_filter( 'get_comment_text', 'hunter2', 1, 2 );

pento

<?php

function my_backup_scheduler( $event ) {
	// 'wp_maybe_auto_update' is the cron hook for the auto update process
	if ( 'wp_maybe_auto_update' !== $event['hook'] )
		return;

	wp_schedule_single_event( $event['timestamp'] - 5 * MINUTE_IN_SECONDS, 'my_backup' );
}
add_filter( 'schedule_event', 'my_backup_scheduler', 10, 1 );

pento

<?php
/*
 * Plugin Name: Commercial Client
 * Plugin URI: http://pento.net/
 * Description: A sample client plugin for showing updates for non-WordPress.org plugins
 * Author: pento
 * Version: 0.1
 * Author URI: http://pento.net/
 * License: GPL2+
 */