graphikuz

<?php
/**
 * Disable Standart Widgets
 */
function unregister_default_wp_widgets() {
  unregister_widget('WP_Widget_Calendar');
  unregister_widget('WP_Widget_Search');
  unregister_widget('WP_Widget_Recent_Comments');
}
add_action('widgets_init', 'unregister_default_wp_widgets', 1);

graphikuz

<?php
/**
 * Add/Remove Links in Admin Favorites Menu
 */
function custom_favorite_menu($actions) {
   # Removing #
   unset($actions['edit-comments.php']);
   unset($actions['media-new.php']);
   # Adding #
   $actions['admin.php?your-plugin'] = array('Your Plugin', 'manage_options');

graphikuz

<?php
/**
 * Remove Posts Columns
 */
function remove_post_columns($defaults) {
  unset($defaults['comments']);
  return $defaults;
}
add_filter('manage_posts_columns', 'remove_post_columns');
?>

graphikuz

<?php
/**
 * Remove Pages Columns
 */
function remove_pages_columns($defaults) {
  unset($defaults['comments']);
  return $defaults;
}
add_filter('manage_pages_columns', 'remove_pages_columns');
?>

graphikuz

<?php
/**
 * Custom Login Logo
 */
function custom_login_logo() {
    echo '&lt;style type="text/css">
        h1 a { background-image:url('.get_bloginfo('template_directory').'/images/login_logo.png) !important; }
    &lt;/style>';
}
add_action('login_head', 'custom_login_logo');

graphikuz

<?php
/**
 * Change/Remove footer text in admin
 */
function remove_footer_admin () {
  echo 'My footer text. Thank you &lt;a href="http://wordpress.org">Wordpress&lt;/a> for giving me this filter.';
  //echo "";
}
add_filter('admin_footer_text', 'remove_footer_admin');
?>

graphikuz

 <?php 
 /**
  * Security: Remove wlw manifest link from head
  */ 
remove_action('wp_head', 'wlwmanifest_link');
 ?>

graphikuz

 <?php 
 /**
  * Security: Remove WP rsd link from head
  */
remove_action('wp_head', 'rsd_link'); 
 ?>

graphikuz

 <?php 
 /**
  * Security: Remove WP meta generator from head
  */
 remove_action('wp_head', 'wp_generator'); 
 ?>

graphikuz

<?php
/**
 * Disable WP core update
 */
add_filter( 'pre_site_transient_update_core', create_function( '$a', "return null;" ) );
?>