Elasticserach-PHP error

Elastic Stack Elasticsearch
1

I was trying to workout the example from the below link

Search Engine with PHP & Elasticsearch - YouTube
https://www.youtube.com/watch?v=3xb1dHLg-Lk

I cannot index the document (add.php example).

only When I remove the code for the Indexing the html form appears.

<?php

require 'vendor/autoload.php';
$es = new Elasticsearch\Client();

if(!empty($_POST)) {
if(isset($_POST['title'],$_POST['body'],$_POST['keywords'])) {
$title = $_POST['title'];
$body = $_POST['body'];
$keywords = explode(',',$_POST['keywords']);
$indexed = $es->index([
'index' => 'articles',
'type' => 'article',
'body' => [
'title' => $title,
'body' => $body,
'keywords' => $keywords
]
]);

if($indexed) {
print_r($indexed)
}
}
}
?>
<!doctype html>

Add in ES Title


Body


Keywords


Thanks in Advance

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