Hantera API-svar och fel

<?php
$statusCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
if ($statusCode !== 200) {
    throw new RuntimeException("API error: HTTP $statusCode");
}

<?php
$body = curl_exec($ch);
$data = json_decode($body, true, 512, JSON_THROW_ON_ERROR);
// $data is now a PHP array

<?php
if ($statusCode >= 400) {
    $err = json_decode($body, true);
    $msg = $err["message"] ?? "Unknown API error";
    throw new RuntimeException("API $statusCode: $msg");
}

<?php
if (curl_errno($ch)) {
    throw new RuntimeException("Transport error: ".curl_error($ch));
}

<?php
function httpGet(string $url, string $token): array {
    $ch = curl_init($url);
    curl_setopt_array($ch, [
        CURLOPT_RETURNTRANSFER => true,
        CURLOPT_HTTPHEADER     => ["Authorization: Bearer $token"],
        CURLOPT_TIMEOUT        => 15,
    ]);
    $body   = curl_exec($ch);
    $status = curl_getinfo($ch, CURLINFO_HTTP_CODE);
    $errno  = curl_errno($ch);
    curl_close($ch);
    if ($errno) throw new RuntimeException(curl_strerror($errno));
    if ($status >= 400) throw new RuntimeException("HTTP $status");
    return json_decode($body, true, 512, JSON_THROW_ON_ERROR);
}

<?php
$maxRetries = 3;
for ($attempt = 0; $attempt < $maxRetries; $attempt++) {
    try {
        $data = httpGet($url, $token);
        break;
    } catch (RuntimeException $e) {
        if ($attempt === $maxRetries - 1) throw $e;
        sleep(2 ** $attempt);
    }
}

<?php
curl_setopt($ch, CURLOPT_HEADER, true);
// Parse headers from the response string