Lpuk Obs

Wordpress Plugin

2 minuti

Dev

Header Requirements
/*
 * Plugin Name:       My Basics Plugin
 * Plugin URI:        https://example.com/plugins/the-basics/
 * Description:       Handle the basics with this plugin.
 * Version:           1.10.3
 * Requires at least: 5.2
 * Requires PHP:      7.2
 * Author:            John Smith
 * Author URI:        https://author.example.com/
 * License:           GPL v2 or later
 * License URI:       https://www.gnu.org/licenses/gpl-2.0.html
 * Update URI:        https://example.com/my-plugin/
 * Text Domain:       my-basics-plugin
 * Domain Path:       /languages
 */

Si può aggiungere network

License

Consigliano la GPL, inoltre si usa aggiungere un commento ulteriore all’header

/*
{Plugin Name} is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
any later version.
 
{Plugin Name} is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
 
You should have received a copy of the GNU General Public License
along with {Plugin Name}. If not, see {URI to Plugin License}.
*/
Attiva/Disattiva hook
register_activation_hook( __FILE__, 'pluginprefix_function_to_run' );
register_deactivation_hook(
	__FILE__,
	'pluginprefix_function_to_run'
);

il primo arg è il fil principale del plugin (quello con header) Si usa comunemente per ==registrare e eliminare nuovi post type==

Disinstalla

Creare un file uninstall.php nella root, controllare per la const WP_UNINSTALL_PLUGIN. Usato per cancellare le opzioni e le tabelle

if ( ! defined( 'WP_UNINSTALL_PLUGIN' ) ) { die; } 
$option_name = 'wporg_option'; 
delete_option( $option_name ); 
// for site options in Multisite
delete_site_option( $option_name ); 
// drop a custom database table 
global $wpdb; 
$wpdb->query( "DROP TABLE IF EXISTS {$wpdb->prefix}mytable" );
Best Pratices & Boilerplates
  • usare sempre prefissi
  • controllare l’esistenza di cose con function_exists , class_exists ecc
  • organizzare a cartelle
  • Ci sono diversi bolerplate o singoli o a classe, pure wpcli genera una base wp scaffold plugin lpuk-plugin-name --skip-tests
Dir referency

Per avere il riferimento delle directory WP mette a disposizione diverse funzioni come

  • plugins_url($path, $plugin)
  • get_stylesheet_directory Valida per tema
  • home_url
  • ecc
Validation & in/out

Wp mette a disposizione diverse funzioni di

Vista grafico