Cannot retrieve error message using Symfony HttpClient if the response is not "ok"

Question

I use Symfony HttpClient to call an external API. When the status code is 200 I can use getContent() method to retrieve the API response. If the API response is 400, a ClientException is thrown, and I cannot get the external API message.

$httpClient = HttpClient::create();
$response = $httpClient->request($method, $url);
if (200 !== $response->getStatusCode()) {
    $apiResponse['statusCode'] = $response->getStatusCode();
    $httpInfo = $response->getInfo();
    $content = $response->getContent(); //this throws ClientException
}

LBA · Accepted Answer · 2019-10-08 14:47:44Z

24

You can use

$response->getContent(false)

to get the response and not an error thrown.

Explanation from Code:

    public function getContent(bool $throw = true): string

Note that you lose a bit of the very meaningful wrapping functionality HttpClient provides you here.

answered Oct 8, 2019 at 14:47

LBA

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3 Comments

Masha Over a year ago

could you please clarify which meaningful wrapping functionality ypu mean here? Thank you

LBA Over a year ago

check what you can do with Response in the doc. If you just expect a string nothing special would be required, but checkout exception handling

Álvaro González Over a year ago

It's designed this way so you don't need to check status code manually. You can still do so, but you have the option of using exception handling. It isn't a big difference for a single request, but it really comes in handy for complex code that does several requests in sequence.

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