Tool to import disqus comments to the wordpress system.

console.php

<?php
/*
 * Tool to migrate disqus comments to the wordpress system.
 * 
 * @author Prahlad Yeri<prahladyeri@yahoo.com>
 * @date 2017-09-06
 * 
 * Updated on 2020-03-11: fixes and refactoring.
 * */
require_once('disqus_parse.php');
$sleep_interval = 2;

if( php_sapi_name() !== 'cli' ) {die("Meant to be run from command line");}
if (count($argv) < 2) { print("Incorrect arguments. Provide path to file\n"); exit; }

$comments = parse_disqus_file($argv[1]);

function find_wordpress_base_path() {
	$dir = dirname(__FILE__);
	do {
		//it is possible to check for other files here
		if( file_exists($dir."/wp-config.php") ) {
			return $dir;
		}
	} while( $dir = realpath("$dir/..") );
	return null;
}

define( 'BASE_PATH', find_wordpress_base_path()."/" );
define('WP_USE_THEMES', false);
global $wp, $wp_query, $wp_the_query, $wp_rewrite, $wp_did_header;
require(BASE_PATH . 'wp-load.php');
print(BASE_PATH.'wp-load.php'."\n");
print("Ready.");

$q = new WP_Query(array('post_type'=>'post', 'posts_per_page' => -1));
$cnt = 0;
$processed = [];
while($q->have_posts()) {
	$t_post = $q->the_post();
	$t_title = get_the_title($t_post);
	//$t_title = the_title();
	$t_url = get_permalink($t_post);
	$t_url = str_replace("http://", "", $t_url);
	$t_url = str_replace("/apps/wp", "", $t_url);
	$idx = strpos($t_url, "/");
	$t_url = substr($t_url, $idx);
	array_push($processed, $t_url);
	
	echo 'processing '. $t_title  ."\n";
	$arr = array();
	foreach($comments as $comment){
		$idx = strpos($comment['url'], "/");
		$c_url = substr($comment['url'],$idx);
		$cpath = parse_url($comment['url'], PHP_URL_PATH);
		$tpath = parse_url($t_url, PHP_URL_PATH);
		if ($cpath === $tpath) {
			$cnt++;
			if (!array_search($post->ID.$comment['email'].$comment['body'], $arr)) {
				if (is_array($comment['name'])) {
					$comment_author = (string)$comment['name'][0];
				}
				else {
					$comment_author = (string)$comment['name'];
				}
				$comment_id = wp_new_comment(array(
					'comment_post_ID' => $post->ID,
					'comment_author' => $comment_author,
					'comment_author_email' => (string)$comment['email'],
					'comment_author_url' => '',
					'comment_content' => $comment['body'],
					'comment_type' => '',//empty for regular comments, 'pingback' for pingbacks, 'trackback' for trackbacks
					'comment_parent' => 0, //0 if it's not a reply to another comment;
					'comment_date' => $comment['created_at'],
					//'user_id' => $current_user->ID,
				), true);
				if ( is_wp_error( $comment_id ) ) {
					echo "ERROR OCCURRED: ";
					print_r( $comment_id->get_error_message() );
				}
			}
			array_push($arr, $post->ID.$comment['email'].$comment['body']);
			sleep($sleep_interval);
		}
		else {
			echo "Match not found:\n";
			echo $t_url."\n";
			echo $c_url."\n\n";
		}
	}
}

echo "$cnt comments imported.\n";