PHP

Read the REST Response Header and Status Code

Demonstrates Rest.ReadResponseHeader, which reads the HTTP response status line and header fields after a staged send. The returned integer is the HTTP status code, or -1 if no response was received.

Background. The staged request model separates sending from reading: a SendReq method transmits the request, ReadResponseHeader reads the status line and headers, and a ReadResp method reads the body. This gives fine control over large or streamed messages compared with the single-call full-request methods.

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<?php

use Chilkat2\Rest;

$rest = new Rest();
$bTls = true;
$bAutoReconnect = true;
try {
    $rest->Connect('example.com', 443, $bTls, $bAutoReconnect);

    $rest->SendReqNoBody('GET', '/api/items/123');
} catch (\Chilkat2\Exception $e) {
    echo $e->getMessage(), "\n";
    exit;
}

// Read the HTTP response status line and header fields.  The returned integer is the HTTP status
// code (such as 200, 404, or 500), or -1 if no response was received.
$statusCode = $rest->ReadResponseHeader();
if ($statusCode < 0) {
    echo $rest->LastErrorText, "\n";
    exit;
}

echo 'Response status code: ', $statusCode, "\n";