PHP访问NetSuite REST Web Services

“同等看待欢乐和痛苦、得到和失去、胜利和失败、投入战斗。以此方式履行职责，你就不会招致任何罪恶。”

-Bhagavad Gita

为了帮助PHP开发者快速起步，以REST Web Services方式打通与NetSuite的接口，我们答应给一个样例。但是我是不懂PHP的，在经历了ChatGPT误导和帮助，调通了代码。心生欢喜，分享如下。

    <?php

    class NetSuiteRestAPI {
    
        // NetSuite Credentials
        const NETSUITE_ACCOUNT = '大写账号';
        const NETSUITE_CONSUMER_KEY = '你的参数';
        const NETSUITE_CONSUMER_SECRET = '你的参数';
        const NETSUITE_TOKEN_ID = '你的参数';
        const NETSUITE_TOKEN_SECRET = '你的参数'; 
    
        // Search a Employee record        
        public function searchEmployee($employeeId) {
            $url = "https://小写域名.suitetalk.api.netsuite.com/services/rest/record/v1/employee/$employeeId";
            return $this->callNetSuiteAPI($url, "GET", $employeeId);
        }
        
        // Create a new Employee record
        public function createEmployee($employeeData) {
            $url = "https://小写域名.suitetalk.api.netsuite.com/services/rest/record/v1/employee";
            return $this->callNetSuiteAPI($url, "POST", $employeeData);
        }
    
        // Call NetSuite API
        private function callNetSuiteAPI($url, $method, $payload = null) {
            $oauth_nonce = md5(mt_rand());
            $oauth_timestamp = time();
            $oauth_signature_method = 'HMAC-SHA256';
            $oauth_version = "1.0";
    
            // Generate Signature
            $baseString = $this->generateBaseString($method, $url, self::NETSUITE_CONSUMER_KEY, self::NETSUITE_TOKEN_ID, $oauth_nonce, $oauth_timestamp, $oauth_version, $oauth_signature_method, $payload);
            $key = rawurlencode(self::NETSUITE_CONSUMER_SECRET) . '&' . rawurlencode(self::NETSUITE_TOKEN_SECRET);
            $signature = base64_encode(hash_hmac('sha256', $baseString, $key, true));
    
            // Generate OAuth Header
            $headers = [
                'Authorization: OAuth '
                    . 'realm="' . self::NETSUITE_ACCOUNT . '", '
                    . 'oauth_consumer_key="' . self::NETSUITE_CONSUMER_KEY . '", '
                    . 'oauth_token="' . self::NETSUITE_TOKEN_ID . '", '
                    . 'oauth_nonce="' . $oauth_nonce . '", '
                    . 'oauth_timestamp="' . $oauth_timestamp . '", '
                    . 'oauth_signature_method="' . $oauth_signature_method . '", '
                    . 'oauth_version="' . $oauth_version . '", '
                    . 'oauth_signature="' . rawurlencode($signature) . '"',
                'Content-Type: application/json'
            ];
    
            // Call the API
            $curl = curl_init();
            curl_setopt_array($curl, [
                CURLOPT_URL => $url,
                CURLOPT_RETURNTRANSFER => true,
                CURLOPT_CUSTOMREQUEST => $method,
                CURLOPT_HTTPHEADER => $headers,
                CURLOPT_SSL_VERIFYHOST => false,
                CURLOPT_SSL_VERIFYPEER => false,
                //CURLOPT_VERBOSE =>true,
            ]);
    
            if ($payload) {
                curl_setopt($curl, CURLOPT_POSTFIELDS, json_encode($payload));
            }
    
            $response = curl_exec($curl);
            if ($response === false) {
                echo 'cURL Error: ' . curl_error($curl);
                return false;
            }
    
            curl_close($curl);
            return json_decode($response, true);
        }
    
        // Generate Base String
        private function generateBaseString($httpMethod, $url, $consumerKey, $tokenKey, $nonce, $timestamp, $version, $signatureMethod, $postParams = null) {
            $baseString = strtoupper($httpMethod) . '&' . rawurlencode($url) . '&';
        
            // Prepare OAuth parameters
            $params = [
                'oauth_consumer_key' => $consumerKey,
                'oauth_token' => $tokenKey,
                'oauth_nonce' => $nonce,
                'oauth_timestamp' => $timestamp,
                'oauth_signature_method' => $signatureMethod,
                'oauth_version' => $version,
            ];
        
     
            // Sort parameters by key
            ksort($params);
        
            // Encode and concatenate parameters
            $encodedParams = [];
            foreach ($params as $key => $value) {
                $encodedParams[] = rawurlencode($key) . '=' . rawurlencode($value);
            }
        
            $baseString .= rawurlencode(implode('&', $encodedParams));

            return $baseString;
        }
        
    }
    
    // Instantiate the API class
    $api = new NetSuiteRestAPI();


        // Call to search a Employee record
        $employeeData=员工InternalID;
        $response = $api->searchEmployee($employeeData);
    
        // Output the response
        if ($response) {
            echo "Response: " . json_encode($response, JSON_PRETTY_PRINT);
          }
    /*
    // Employee data to create
    $employeeData = [
        "firstname" => "R",
        "lastname" => "M"
    ];

    
    // Call to create a new Employee record
    $response = $api->createEmployee($employeeData);
    
    // Output the response
    if ($response) {
        echo "Response: " . json_encode($response, JSON_PRETTY_PRINT);
    } else {
        echo "Call Successfully.";
    }
        */
    
    ?>