Consultar los posts de wordpress desde un fichero externo

tecnicoweb Php, Programación Web, Wordpress

En este ejemplo vamos a realizar una consulta a la base de datos de wordpress utilizando $wpdb desde un fichero externo php (fuera de la estructura de wordpress)

WordPress $wpdb nos proporciona un objeto global para realizar las consultas a la base de datos, dicho objeto es una instancia de /wp-includes/wp-db.php.

Empécemos con el ejemplo:

Creamos un fichero php, yo le llamare exportacion.php y pegamos el siguiente código:

<?php
require './wp-load.php';
global $wpdb;

$prefix = $wpdb->prefix;
$table = $prefix . "posts";

$posts = $wpdb->get_results("SELECT * FROM $table");

print_r($posts);

Detallo, mi ejemplo esta creado en la raiz de ficheros:

require './wp-load.php';

Con este require añadimos toda la infraestructura de wordpress.

global $wpdb;

Invocamos a la variable global $wpdb (es el objeto que se va a encargar de realizar la consulta)

$prefix = $wpdb->prefix;

El atributo prefix nos devuelve el prefijo de las tablas (wp_), esto es necesario si has cambiado el prefijo de las tablas (yo lo suelo hacer). 

$table = $prefix . "posts";

Prepara una variable con el nombre de la tabla que voy a realizar la consulta.

$posts = $wpdb->get_results("SELECT * FROM $table");

$wpdb->get_results realiza la consulta a la base de datos y me añade los registro a la variable $posts.

Ya podríamos recorrer la variable $posts y obtener los post.

29.779 thoughts to “Consultar los posts de wordpress desde un fichero externo”

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