PHP

HTTP POST and Stream Response to File

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Demonstrates how to send an HTTP POST and stream the response body directly to a file. Chilkat2 PHP

<?php

use Chilkat2\Rest;
use Chilkat2\Stream;
use Chilkat2\Url;

// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

$rest = new Rest();

$url = new Url();
// This URL will emit a response that echos the query params (name and age)
$url->ParseUrl('https://www.chilkatsoft.com/readPost.asp');

// Connect to the web server
$bAutoReconnect = true;
try {
    $rest->Connect($url->Host, $url->Port, $url->Ssl, $bAutoReconnect);

    $rest->AddQueryParam('name', 'John');
    $rest->AddQueryParam('age', '33');

    //  Send the HTTP POST.
    $rest->SendReqFormUrlEncoded('POST', $url->Path);
} catch (\Chilkat2\Exception $e) {
    echo $e->getMessage(), "\n";
    exit;
}

// Read the response header.
$responseStatusCode = $rest->ReadResponseHeader();
if ($responseStatusCode < 0) {
    echo $rest->LastErrorText, "\n";
    exit;
}

echo 'Response status code = ', $responseStatusCode, "\n";

// We expect a 200 response status if the file data is coming.
// Otherwise, we'll get a string response body with an error message(or no response body).
if ($responseStatusCode == 200) {
    $bodyStream = new Stream();

    // The stream's sink will be a file.
    $bodyStream->SinkFile = 'qa_output/out.txt';

    // Read the response body to the stream.  Given that we've
    // set the stream's sink to a file, it will stream directly
    // to the file.
    try {
        $rest->ReadRespBodyStream($bodyStream, true);
    } catch (\Chilkat2\Exception $e) {
        echo $e->getMessage(), "\n";
        exit;
    }

    echo "Successfully streamed the response to a file.\n";
} else {
    try {
        $errResponse = $rest->ReadRespBodyString();
        echo $errResponse, "\n";
    } catch (\Chilkat2\Exception $e) {
        echo $e->getMessage(), "\n";
    }
}