Simple Elasticsearch interaction

gistfile1.php

<?php

require 'vendor/autoload.php';

$client = new Elasticsearch\Client([
    'hosts' => ['127.0.0.1']
]);

echo "Resetting...\n";
$index = ['index' => 'freedomclinics.com'];
if ($client->indices()->exists($index)) {
    $client->indices()->delete($index);
}
$client->indices()->create($index);

echo "Mapping...\n";
$mapping = [
    'index' => 'freedomclinics.com',
    'type' => 'document',
    'body' => [
        'document' => [
            'properties' => [
                'content' => [
                    'type' => 'attachment',
                    'fields' => [
                        'title' => ['store' => 'yes'],
                        'description' => ['store' => 'yes'],
                        'content' => [
                            'term_vector' => 'with_positions_offsets',
                            'store' => 'yes'
                        ]
                    ]
                ]
            ]
        ]
    ]
];

$client->indices()->putMapping($mapping);

echo "Indexing...\n";
$index = [
    'body' => [
        'title' => 'FreedomClinics.com | Home',
        'description' => 'FreedomClinics.com',
        'content' => base64_encode(file_get_contents('http://freedomclinics.com'))
    ],
    'index' => 'freedomclinics.com',
    'type' => 'document',
    'id' => '/'
];

$client->index($index);

$index = [
    'body' => [
        'title' => 'Corporaate Brochure',
        'description' => 'FreedomClinics Corporate Brochure',
        'content' => base64_encode(stream_get_contents(fopen('http://freedomclinics.com/static/docs/guides/freedom-corporate-brochure.pdf', 'rb')))
    ],
    'index' => 'freedomclinics.com',
    'type' => 'document',
    'id' => '/docs/guides/freedom-skin-guide.pdf'
];

$client->index($index);

echo "Querying...\n";
$query = [
    'index' => 'freedomclinics.com',
    'type' => 'document',
    'body' => [
        'query' => [
            'match' => [
                'content' => 'back pain'
            ]
        ]
    ]
];
$result = $client->search($query);
print_r($query);
echo "HITS\n";
foreach ($result['hits']['hits'] as $hit) {
    echo $hit['_id'],"\n";
}