Script de importação de posts WordPress para WordPress usando a REST API

page-migracao.php

<?php
/* Template Name: Migração -> Blog Teoria */
get_header();
require_once(ABSPATH . 'wp-admin/includes/media.php');
require_once(ABSPATH . 'wp-admin/includes/file.php');
require_once(ABSPATH . 'wp-admin/includes/image.php');
$autores_excluir_str = 'Alejandro Iturbe,Alicia Sagra,Aluizia do Nascimento Freire,Américo Gomes,Ana Godoi,Ana Pagu,Antonio Rodrigues Belon,Daniel Solon,Francesco Ricci,Gustavo Henrique Lopes Machado,Jeferson Choma,Jerônimo Castro,Joana B.,José Welmowicki,Julio Anselmo,Martín Hernández,Martin Ralph,Miguel Malheiros,Nazareno Godeiro,Otavio Luiz Pinheiro Aranha,Pablo Biondi,Rodrigo Ricupero,Ronald León Núñez,Rosenverck E. Santos,Soraya,Misleh,Wagner Miquéias F. Damasceno,Wilson Honório da Silva,Vinicius Lima da Silva,Zé Maria';
$autores_excluir = explode( ',', $autores_excluir_str );
var_dump( $autores_excluir );
echo '<br><br>';
$request_url = 'https://blog.esquerdaonline.com/?rest_route=/wp/v2/posts';
if ( isset( $_GET[ 'page_num' ] ) ) {
	$request_url .= '&page=' . $_GET[ 'page_num' ];
} else {
	$_GET[ 'page_num' ] = 1;
}
$response = wp_remote_get( $request_url );
if ( is_array( $response ) ) {
	$header = $response['headers']; // array of http header lines
	$body = $response['body']; // use the content>
	$posts = json_decode( $body );
	if ( $posts && is_array( $posts ) ) {
		foreach ( $posts as $post ) {
			echo '<br>';
			var_dump( $post->pure_taxonomies->categories );
			$continue = true;
			foreach( $post->pure_taxonomies->categories as $category ) {
				if ( in_array( $category->name, $autores_excluir ) ) {
					$continue = false;
					break;
				}
			}
			if ( ! $continue ) {
				echo '<br>ERRRRO: Autor no PSTU';
				continue;
			}
			var_dump( $post->title->rendered );
			$tags = array();
			if ( isset( $post->pure_taxonomies->tags ) && ! empty( $post->pure_taxonomies->tags ) ) {
				foreach ( $post->pure_taxonomies->tags as $tag ) {
					$tags[] = $tag->name;
				}
			}
			$new_post = array(
				'post_title'	=> $post->title->rendered,
				'post_content'	=> $post->content->rendered,
				'post_status' 	=> 'publish',
				'post_date'		=> $post->date
			);
			if ( ! empty( $tags ) ) {
				$new_post[ 'tags_input' ] = $tags;
			}
			$add_new_post = wp_insert_post( $new_post, true );
			if ( is_wp_error( $add_new_post ) ) {
				var_dump( $add_new_post );
				continue;
			}
			wp_set_object_terms( $add_new_post, array( 'teoria' ), 'editorias', false );
			wp_set_post_tags( $add_new_post, $tags, false );
			$thumbnail_url = $post->better_featured_image->source_url;
			echo 'OLD THUMB URL <br>';
			var_dump( $thumbnail_url );
			$thumbnail_id = media_sideload_image( $thumbnail_url, $add_new_post, null, 'id' );
			echo 'THUMB ID <br>';
			var_dump( $thumbnail_id );
			set_post_thumbnail( $add_new_post, $thumbnail_id );
			echo '<br>---------------<br>';
		}
	}
	$_GET[ 'page_num' ]++;
	if ( intval( $_GET[ 'page_num' ] ) < 84 ) {
		echo '<script>window.location.href = "https://esquerdaonline.org/migracao-blog-teoria/?page_num='. $_GET[ 'page_num'] . '";</script>';
	}
}