php-guzzleHow to make an asynchronous send with PHP Guzzle?

Using PHP Guzzle, you can make asynchronous requests with the requestAsync() method.

Example code

$client = new GuzzleHttp\Client();
$promise = $client->requestAsync('GET', 'http://www.example.com');
$promise->then(
    function ($response) {
        echo 'I completed! ' . $response->getBody();
    },
    function ($exception) {
        echo 'I failed! ' . $exception->getMessage();
    }
);

Output example

I completed! <html>...</html>

Code explanation

$client = new GuzzleHttp\Client();: creates a new Guzzle client.
$promise = $client->requestAsync('GET', 'http://www.example.com');: makes an asynchronous request to the specified URL.
$promise->then(...): sets up a callback to be executed when the request is completed.
echo 'I completed! ' . $response->getBody();: prints the response body when the request is successful.
echo 'I failed! ' . $exception->getMessage();: prints the exception message when the request fails.

Helpful links

Guzzle Documentation

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