case_class_server/common/util/HttpHelper.php

<?php

namespace common\util;

use common\components\AjaxException;

class HttpHelper
{
    public static $connectTimeout = 30;//30 second
    public static $readTimeout = 80;//80 second

    public static function curl($url, $httpMethod = "GET", $postFields = null, $headers = null)
    {
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_CUSTOMREQUEST, $httpMethod);
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_FAILONERROR, false);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $postFields);

        if (self::$readTimeout) {
            curl_setopt($ch, CURLOPT_TIMEOUT, self::$readTimeout);
        }

        if (self::$connectTimeout) {
            curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, self::$connectTimeout);
        }
        //https request
        if (strlen($url) > 5 && strtolower(substr($url, 0, 5)) == "https") {
            curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
            curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
        }
        if (is_array($headers) && 0 < count($headers)) {
            $httpHeaders = self::getHttpHearders($headers);
            curl_setopt($ch, CURLOPT_HTTPHEADER, $httpHeaders);
        }
        $httpResponse = new HttpResponse();
        $httpResponse->setBody(curl_exec($ch));
        $httpResponse->setStatus(curl_getinfo($ch, CURLINFO_HTTP_CODE));
        if (curl_errno($ch)) {
            throw new AjaxException("Server unreachable: Errno: " . curl_errno($ch) . " " . curl_error($ch));
        }
        curl_close($ch);
        return $httpResponse;
    }

    public static function getPostHttpBody($postFildes)
    {
        $content = "";
        foreach ($postFildes as $apiParamKey => $apiParamValue) {
            $content .= "$apiParamKey=" . urlencode($apiParamValue) . "&";
        }
        return substr($content, 0, -1);
    }

    public static function getHttpHearders($headers)
    {
        $httpHeader = array();
        foreach ($headers as $key => $value) {
            array_push($httpHeader, $key . ":" . $value);
        }
        return $httpHeader;
    }
}