donini

<?php 
add_filter( 'bulk_actions-edit-post', 'move_posts_bulk_multisite_actions' );
 
function move_posts_bulk_multisite_actions( $bulk_array ) {
 
 	if( $sites = get_sites( array(
		'site__not_in' => get_current_blog_id(), // excluding current blog
		'number' => 50,
	))) {
		foreach( $sites as $site ) {

donini

<?php
add_filter('body_class', 'add_slug_to_body_class');

public function add_slug_to_body_class( $classes ) {
  global $post;
  if ( is_home() ) {
    $key = array_search( 'blog', $classes );
    if ( $key > -1 ) {
      unset( $classes[$key] );
    }

donini

#Customize expires cache start - adjust the period according to your needs
<IfModule mod_expires.c>
  FileETag MTime Size
  AddOutputFilterByType DEFLATE text/plain text/html text/xml text/css application/xml application/xhtml+xml application/rss+xml application/javascript application/x-javascript
  ExpiresActive On
  ExpiresByType text/html "access 600 seconds"
  ExpiresByType application/xhtml+xml "access 600 seconds"
  ExpiresByType text/css "access 1 month"
  ExpiresByType text/html "access 1 month"
  ExpiresByType text/javascript "access 1 month"

donini

<?php
register_activation_hook( __FILE__, 'activation_check' );

/* Test before activate the plugin */
function activation_check() {
	if ( ! is_plugin_active( 'pods/init.php' ) ) {
		deactivate_plugins( plugin_basename( __FILE__ ) );
		wp_die( 'The plugin <a href="https://www.pods.io/">PODS</a> is prerequisite to run this Plugin.</p>' );
	}
}

donini

<?php
add_filter('show_admin_bar', '__return_false');

donini

<?php
add_action( 'admin_notices', 'admin_notice__success' );
function admin_notice__success() {
	$class   = 'notice notice-success is-dismissible';
	$message = __( 'Completelly with success!', 'text_domain' );

	printf( '<div class="%1$s"><p>%2$s</p></div>', esc_attr( $class ), esc_html( $message ) );
}

add_action( 'admin_notices', 'admin_notice__error' );

donini

<?php
add_filter( 'bulk_actions-edit-post', 'new_bulk_actions' );
function new_bulk_actions( $bulk_actions ) {
	$bulk_actions['send_by_email'] = __( 'Send By E-mail', 'text_domain' );
	return $bulk_actions;
}

add_filter( 'handle_bulk_actions-edit-post', 'new_bulk_action_handler', 10, 3 );
function new_bulk_action_handler( $redirect_to, $doaction, $post_ids ) {
	/* Exit if it's not send by email action */

donini

<?php
add_filter( 'cron_schedules', 'add_cron_interval' );

function add_cron_interval( $intervals ) {

	/* Add new cron interval */
	$intervals['one_minute'] = array(
		'interval' => 60, /* It's not recomended cron schedules with less then 15 minutes */
		'display'  => esc_html__( 'Every minute' ),
	);

donini

<?php
add_filter( 'pre_site_transient_update_core', 'remove_core_updates' ); /* Hide WordPress Core updates */
add_filter( 'pre_site_transient_update_plugins', 'remove_core_updates' ); /* Hide Plugins updates */
add_filter( 'pre_site_transient_update_themes', 'remove_core_updates' ); /* Hide Theme updates */

/* Hide update notifications */
function remove_core_updates(){
	global $wp_version;

	return (object) array(

donini

<?php
add_action( 'restrict_manage_posts', 'filter_posts_by_topics', 10, 2 );

function filter_posts_by_topics( $post_type, $which ) {

	/* Apply this only on a specific post type */
	if ( 'post' !== $post_type ) {
		return;
	}