Enumerate REST Response Header Names

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Demonstrates Rest.ResponseHdrName, which returns the field name of the response header at a zero-based index. The example enumerates all headers, pairing each name with its value.

<?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;
}

$statusCode = $rest->ReadResponseHeader();
if ($statusCode < 0) {
    echo $rest->LastErrorText, "\n";
    exit;
}

// Enumerate the response header fields by zero-based index.  ResponseHdrName returns the field name
// and ResponseHdrValue returns the value at the same index.
$numHeaders = $rest->NumResponseHeaders;
for ($i = 0; $i < $numHeaders; $i++) {
    try {
        $name = $rest->ResponseHdrName($i);

        $value = $rest->ResponseHdrValue($i);
    } catch (\Chilkat2\Exception $e) {
        echo $e->getMessage(), "\n";
        exit;
    }

    echo $name, ': ', $value, "\n";
}