PHP

Send a Staged REST Request from a StringBuilder

Demonstrates Rest.SendReqSb, which sends a request whose text body is read from a StringBuilder, then reads the response in separate steps.

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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Chilkat2 PHP

<?php

use Chilkat2\Rest;
use Chilkat2\StringBuilder;

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

    $rest->AddHeader('Content-Type', 'application/json');

    // Send a request whose text body is read from a StringBuilder.
    $sbBody = new StringBuilder();
    $sbBody->Append('{ "query": "chilkat" }');
    $rest->SendReqSb('POST', '/api/search', $sbBody);
} catch (\Chilkat2\Exception $e) {
    echo $e->getMessage(), "\n";
    exit;
}

// After sending, read the response status line and header fields.  The return value is the HTTP
// status code, or -1 if no response was received.
$statusCode = $rest->ReadResponseHeader();
if ($statusCode < 0) {
    echo $rest->LastErrorText, "\n";
    exit;
}

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

// Read the response body as text.
try {
    $responseBody = $rest->ReadRespBodyString();
} catch (\Chilkat2\Exception $e) {
    echo $e->getMessage(), "\n";
    exit;
}

echo $responseBody, "\n";