[Wordpress] Disable updates check

gistfile1.php

<?

/* In functions.php */

// Disable Wordpress update check
add_filter('pre_site_transient_update_core', create_function('$a', "return null;"));
wp_clear_scheduled_hook('wp_version_check');

// Disable theme update check
remove_action('load-update-core.php', 'wp_update_themes');
add_filter('pre_site_transient_update_themes', create_function('$a', "return null;"));
wp_clear_scheduled_hook('wp_update_plugins');

// Disable plugins update check
remove_action('load-update-core.php', 'wp_update_plugins');
add_filter('pre_site_transient_update_plugins', create_function('$a', "return null;"));
wp_clear_scheduled_hook('wp_update_themes');