Are there alternative PHP HTTP clients that provide more functionality for extracting headers?

The built-in PHP function `get_headers()` is limited in functionality and may not provide all the header information needed. To extract headers with more flexibility and control, you can use alternative PHP HTTP clients such as Guzzle or Requests, which offer more advanced features for handling HTTP requests and responses. 

// Using Guzzle HTTP client to extract headers
require 'vendor/autoload.php'; // Include Guzzle library

use GuzzleHttp\Client;

$client = new Client();
$response = $client->get('http://example.com');

$headers = $response->getHeaders();

foreach ($headers as $name => $values) {
    echo $name . ': ' . implode(', ', $values) . "\n";
}

Keywords

PHP HTTP client headers functionality alternative

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