Menu e pagina Uncaught TypeError: call_user_func_array()

Sto iniziando ha creare un plugin iniziando con il menu in admin

<?php
namespace ex;
require_once EX_PLUGIN_PATH.'/include/class-info.php';
class Starter_plugin{
private  $versione;
private $prefix;
  function __construct()
 {
  $this->versione=Info::VERSIONE;
  $this->prefix=Info::PREFIX;
  //inserire gli hook
  add_action('admin_menu', array($this, 'ex_menu'));
 }
 public function ex_menu (){
   global $dati_menu, $submenu;

   //dashicon
   // add_menu_page( $page_title, $menu_title, $capability, $menu_slug, $callback = '', $icon_url = '', $position = null )

 $dati_menu =array(
   'menu_title' => 'Exalunni-mt', //obligatorio
   'page_title' => 'Exalunni.php',//obbigatorio
   'capability' => 'manage_options', //obbligatorio e specifico non personalizato
   'menu_slug' => 'ex',
   'callback'=>'all_ex',
  'icon_url'=>'dashicons-database',
  'position'=>25
);
 add_menu_page(
 $dati_menu['page_title'], $dati_menu['menu_title'], $dati_menu['capability'],
 $dati_menu['menu_slug'],  $dati_menu['callback'],
 $dati_menu['icon_url'], $dati_menu['position']
 );
 //add_submenu_page( string $parent_slug, string $page_title, string $menu_title, string $capability, string $menu_slug, callable $callback = ”, int|float $position = null ): string|false
 add_submenu_page(
   $parent_slug = 'ex',
   $page_title = 'Exalunni',
   $menu_title = 'ex1',
   $capability = 'read',
   $menu_slug  = 'ex', //per rinominare la prima voce stesso slug del menu_page
   $function = 'all_ex',
   $position = 0
 );
 add_submenu_page(
   $parent_slug = 'ex',
   $page_title = 'ex',
   $menu_title = 'ex2',
   $capability = 'read',
   $menu_slug  = 'impostazioni-del-tema',
   $function = 'ekw_settings1',
   $position = 1
 );
}
public function all_ex()
{
  echo 'ex';
}
}
?>

Fatal error: Uncaught TypeError: call_user_func_array(): Argument #1 ($callback) must be a valid callback, function "all_ex" not found or invalid function name in /var/www/html/wordpress/wp-includes/class-wp-hook.php:324 Stack trace: #0 /var/www/html/wordpress/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters() #1 /var/www/html/wordpress/wp-includes/plugin.php(517): WP_Hook->do_action() #2 /var/www/html/wordpress/wp-admin/admin.php(259): do_action() #3 {main} thrown in /var/www/html/wordpress/wp-includes/class-wp-hook.php on line 324

• Questo topic è stato modificato 2 mesi, 1 settimana fa da lucavalentino.