1. installation

Version 1.1 v-4.0 requires PHP version above 7.0

1.2 run the following command in the project directory

If composer is not installed, install composer first - > http://docs.phpcomposer.com/00-intro.html

Under windows environment, if openssl extension is missing is reported, modify php.ini file and open extension=php_openssl.dll

After the completion of the composer installation, you can execute it on the command line: composer config -g repo.packagist composer https://packagist.phpcomposer.com rewriting the Packagist image to the domestic image can speed up the download speed.

2. call

use EasyWeChat\Factory;

class yourClass {
    // ......

    // Start operation
    public function wechatAction() {
        $app = Factory::officialAccount(config('wechat_config'));
        // ...
    }
}

'wechat_config' => [
        /**
         * Debug Mode, bool value: true/false
         *
         * When the value is false, all logs will not be recorded
         */
        'debug'  => true,
        /**
         * Basic account information, please get from wechat public platform / open platform
         */
        'app_id'  => '',         // AppID
        'secret'  => '',     // AppSecret
        'token'   => '',          // Token
        'aes_key' => '',                    // EncodingAESKey，Please fill in the safe mode!!!
        /**
         * Log configuration
         *
         * level: Log level, optional:
         *         debug/info/notice/warning/error/critical/alert/emergency
         * permission: Log file permission (optional), null by default (if it is null, the value of monolog will be 0644)
         * file: Log file location (absolute path!!!), requires writable permission
         */
        'log' => [
            'level'      => 'debug',
            'permission' =>  0777,
            'file'       =>  LOG_PATH.'easywechat.log',
        ],
        /**
         * OAuth To configure
         *
         * scopes: Public platform (snsapi? Userinfo / snsapi? Base), open platform: snsapi? Login
         * callback: OAuth Callback page address after authorization
         */
        'oauth' => [
            'scopes'   => ['snsapi_userinfo'],
            'callback' => 'home/oauthallback',
        ],
        /**
         * WeChat payment
         */
        'payment' => [
            'merchant_id'        => '', // Merchant number
            'key'                => '',
            'cert_path'          => '', // XXX: Absolute path!!!!
            'key_path'           => '',      // XXX: Absolute path!!!!
            // 'device_info'     => '013467007045764',
            // 'sub_app_id'      => '',
            // 'sub_merchant_id' => '',
            // ...
        ],
        /**
         * Guzzle Global settings
         *
         * For more information, please refer to: http://docs.guzzlephp.org/en/latest/request-options.html
         */
        'guzzle' => [
            'timeout' => 3.0, // Timeout (seconds)
            'verify' => true, // turn off SSL Certification (strongly not recommended!!!)
        ]
    ]

Before use, configure all parameters, and move to https://mp.weixin.qq.com/wiki?t=resource/res_main&id=mp1445241432

For example, obtaining token:

<?php
namespace app\home\controller;

class Access extends Home {
    public $token = 'yourToken';
    public function index()
    {
        $echoStr = input('param.echostr');
        if( $this->checkSignature() ){
            echo $echoStr;
            exit;
        }
    }

    public function responseMsg()
    {
        //get post data, May be due to the different environments
        $postStr = $GLOBALS["HTTP_RAW_POST_DATA"];

        //extract post data
        if (!empty($postStr)){
            /* libxml_disable_entity_loader is to prevent XML eXternal Entity Injection,
               the best way is to check the validity of xml by yourself */
            libxml_disable_entity_loader(true);
            $postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);
            $fromUsername = $postObj->FromUserName;
            $toUsername = $postObj->ToUserName;
            $keyword = trim($postObj->Content);
            $time = time();
            $textTpl = "<xml>
                            <ToUserName><![CDATA[%s]]></ToUserName>
                            <FromUserName><![CDATA[%s]]></FromUserName>
                            <CreateTime>%s</CreateTime>
                            <MsgType><![CDATA[%s]]></MsgType>
                            <Content><![CDATA[%s]]></Content>
                            <FuncFlag>0</FuncFlag>
                            </xml>";
            if(!empty( $keyword ))
            {
                $msgType = "text";
                $contentStr = "Welcome to wechat world!";
                $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);
                echo $resultStr;
            }else{
                echo "Input something...";
            }

        }else {
            echo "test,,,,";
            exit;
        }
    }

    private function checkSignature()
    {

        $param = input('param.');

        $signature = $param["signature"];
        $timestamp = $param["timestamp"];
        $nonce = $param["nonce"];

        $tmpArr = array( $this->token, $timestamp, $nonce );
        // use SORT_STRING rule
        sort($tmpArr, SORT_STRING);
        $tmpStr = implode( $tmpArr );
        $tmpStr = sha1( $tmpStr );

        if( $tmpStr == $signature ){
            return true;
        }else{
            return false;
        }
    }

}

=========================After all configuration, you can play happily========================