Tool to parse disqus comments xml file

disqus_parse.php

<?php
/*
 * Tool to parse disqus comments xml file.
 * 
 * @author Prahlad Yeri<prahladyeri@yahoo.com>
 * @date 2017-09-06
 * */
 
function find_url($root, $thid) {
	foreach($root->thread as $thread) {
		$curr_id =  $thread->attributes("dsq", true)[0];
		if (strcmp($thid,$curr_id) === 0) {
			$url = $thread->id;
			return $url;
		}
	}
	return null;
}

function parse_disqus_file($filename) {
	$xmlstr = file_get_contents($filename);
	$root = new SimpleXMLElement($xmlstr);
	$posts = $root->post;
	$cnt = 0;
	$result = [];

	
	foreach($posts as $post) {
		$thid = "";
		foreach($post->thread->attributes("dsq",true) as $a=>$b) {
			$thid = $b;
			break;
		}
		$url = find_url($root, $thid);
		$values = array(
			"body"=>strip_tags($post->message),
			"name"=>$post->author->name,
			"email"=>$post->author->email,
			//"created_at"=>date("Y-m-dTH:i:sZ", $post->created_at),
			//"created_at"=>date_create($post->createdAt),
			"created_at"=>$post->createdAt,
			"url"=>$url,
		);
		array_push($result, $values);
		
		$cnt++;
	}
	return $result;
}