Exporting a CPT with its Custom Taxonomies

mike-dickson-export.php

<?php
/**
 * Created by PhpStorm.
 * User: Michal
 * Date: 2014-09-23
 * Time: 10:28 AM
 */

require( '../../../../../wp-load.php' );


$args = array(
	'post_status'    => 'publish',
	'post_type'      => 'your_cpt',
	'posts_per_page' => 9999,
);


$all_query = new WP_Query( $args );

$everything = [ ];

if ( $all_query->have_posts() ) {
	while ( $all_query->have_posts() ) {
		$all_query->the_post();

		// Get the taxonomies you need
		$tax1 = get_the_terms(get_the_ID(), 'your_custom_taxonomy1');
		$tax2 = get_the_terms(get_the_ID(), 'your_custom_taxonomy2');

		// Chances are that you simply want the Name
		$tax1_terms = implode( ', ', wp_list_pluck( $tax1, 'name' ) );
		$tax2_terms = implode( ', ', wp_list_pluck( $tax2, 'name' ) );


		// This part.. I don't remember the proper way to simply pass the $post
		global $post;
		$post_info['post'] =  $post;
		$post_into['tax1'] = $tax1_terms;
		$post_into['tax2'] = $tax2_terms;

		$everything[] = $post_info;

	}



	$fp = fopen('data.json', 'w');
	fwrite($fp, json_encode($everything));
	fclose($fp);
}