carlodaniele

<?php
/**
 * Redirect user after successful login.
 *
 * @param string $redirect_to URL to redirect to.
 * @param string $request URL the user is coming from.
 * @param object $user Logged user's data.
 * @return string
 */
function frontend_login_redirect( $redirect_to, $request, $user ) {

carlodaniele

<?php
/**
 * Print an extra field into the login form
 *
 * @link https://codex.wordpress.org/Plugin_API/Action_Reference/login_form
 */
function my_login_extra_field() {
    ?>
    <p>
    	<label for="rd"><?php _e( 'Take me to' ); ?></label>

carlodaniele

<?php
/**
 * Redirect user on login.
 *
 * @param string $redirect_to URL to redirect to.
 * @param string $request URL the user is coming from.
 * @param object $user Logged user's data.
 * @return string
 *
 * @link https://codex.wordpress.org/Plugin_API/Filter_Reference/login_redirect

carlodaniele

<?php
/**
 * Replace default login logo with custom image
 *
 * @link https://codex.wordpress.org/Plugin_API/Action_Reference/login_head
 */
function my_login_logo() {
    echo '<style type="text/css">.login h1 a { background-image:url('. get_stylesheet_directory_uri() .'/imgs/super_wp.png); }</style>';
}
add_action('login_head', 'my_login_logo');

carlodaniele

<h1>
	<a href="https://wordpress.org/" title="Powered by WordPress" tabindex="-1">Example WordPress website</a>
</h1>

carlodaniele

<?php
/**
 * Add login and logout links to main menu
 *
 * @param string $items The HTML list content for the menu items.
 * @param obj $args An object containing wp_nav_menu() arguments.
 *
 * @link https://codex.wordpress.org/Function_Reference/wp_login_url
 * @link https://codex.wordpress.org/Function_Reference/wp_logout_url
 * @link https://developer.wordpress.org/reference/functions/wp_nav_menu/

carlodaniele

<?php
$keys = array(
	'error', 
	'm', 
	'p', 
	'post_parent', 
	'subpost', 
	'subpost_id', 
	'attachment', 
	'attachment_id', 

carlodaniele

<?php
/**
 * Register custom query vars
 *
 * @param array $vars The array of available query variables
 * 
 * @link https://codex.wordpress.org/Plugin_API/Filter_Reference/query_vars
 */
function myplugin_register_query_vars( $vars ) {
	$vars[] = 'key1';

carlodaniele

<?php
/**
 * Build a custom query
 *
 * @param $query obj The WP_Query instance (passed by reference)
 *
 * @link https://codex.wordpress.org/Class_Reference/WP_Query
 * @link https://codex.wordpress.org/Class_Reference/WP_Meta_Query
 * @link https://codex.wordpress.org/Plugin_API/Action_Reference/pre_get_posts
 */

carlodaniele

<?php
/**
 * @package notify
 * @version 1.0
 */
/*
Plugin Name: Notify Me
Plugin URI: http://wordpress.org/extend/plugins/#
Description: This is an example plugin fo ioProgrammo readers
Author: Carlo Daniele