PHP Call to a member function getMenu() on null in

[rafael rodrigues marques]

Citação

Fatal error: Uncaught Error: Call to a member function getMenu() on null in C:\xampp\htdocs\Leandro\inc\sidebar_menu.php:5 Stack trace: #0 C:\xampp\htdocs\Leandro\pages\home.php(76): include_once() #1 C:\xampp\htdocs\Leandro\index.php(14): include_once('C:\xampp\htdocs...') #2 {main} thrown in C:\xampp\htdocs\Leandro\inc\sidebar_menu.php on line 5

class Site extends BD{
	public function getMenu(){

				$pegar_categorias = "SELECT * FROM categorias ORDER BY id DESC";
		$executar = selff::conn()->prepare($pegar_categorias);
		$executar->execute();
		if($executar->rowCount() == 0){}else{
			while($categoria = $executar->fetchObject()){
				echo'<li><a href="'.PATH.'/categoria/'.$categoria->slug.'">'.$categoria->titulo.'';
				$pegar_subcategoria = "SELECT * FROM subcategorias WHERE id_cat = ?";
				$executar_sub = self::conn()->prepare($pegar_subcategoria);
				$executar_sub->execute(array($categoria->id));
				if($executar_sub->rowCount() == 0){echo '</li>';}else{
					echo'<ul>';
					while($subcategoria = $executar_sub->fetchObject){
						echo'<li><a href="'.PATH.'/categoria/'.$categoria->slug.'/'.$subcategoria->slug.'">'.$subcategoria.'</a></li>';
						
						}
					echo '</ul></li>';
					}
								
				
				}
			
			}
		
		}
	}

<div id="sidebar_menu">
        <h2>Categorias:</h2>
            <ul>
<?php
 $Site->getMenu(); ?>

            </ul>
        </div><!--sidebar_menu-->

 

[Arthur Melo]

da onde é isso, o que estava tentando abrir?

[rafael rodrigues marques]

@Arthur2345678 menu dinamico direto do banco de dados