微信开发教php如何发送消息

<code class="php">// 微信公众平台的 AppID
$appid = 'YOUR_APPID';
// 微信公众平台的 AppSecret
$appsecret = 'YOUR_APPSECRET';

$url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=$appid&secret=$appsecret";
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
$response = curl_exec($ch);
curl_close($ch);
$result = json_decode($response, true);
$access_token = $result['access_token'];</code>

<code class="php">$data = array(
    'touser' => 'OPENID',
    'msgtype' => 'text',
    'text' => array(
        'content' => 'Hello, world!'
    )
);
$json_data = json_encode($data);</code>

<code class="php">$headers = array(
    'Content-Type: application/json',
    'Authorization: Bearer ' . $access_token
);</code>

<code class="php">$url = "https://api.weixin.qq.com/cgi-bin/message/custom/send";
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $json_data);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
$response = curl_exec($ch);
curl_close($ch);</code>