swoole_http_client->post

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function swoole_http_client->post(string $path, mixed $data, callable $callback);

• $path ����URL·������/index.html��ע�����ﲻ�ܴ���http://domain
• $data ����İ������ݣ����$dataΪ����ײ��Զ�����Ϊx-www-form-urlencoded��ʽ��POST���ݣ�������Content-TypeΪapplication/x-www-form-urlencoded
• $callback ���óɹ���ʧ�ܺ�ص��˺���
• ʹ��post�����setMethod���õ����󷽷���ǿ��ʹ��POST

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$cli = new swoole_http_client('127.0.0.1', 80); 
$cli->post('/post.php', array("a" => '1234', 'b' => '456'), function ($cli) {
    echo "Length: " . strlen($cli->body) . "\n";
    echo $cli->body;
});