php-构造函数-返回值

class NewClass {

    public function __construct () {
        return 'Hello World!!';
    }
     
}
 
$info = new NewClass;
echo $info -> __construct();

    function __construct($conf=array())
    {
        if($conf){
            return $this->connect($conf['host'], $conf['username'], $conf['secret']);
        }else{
            $config = @parse_ini_file('/etc/asterisk/manager.conf', true);
            $telnat = array();
            foreach ($config as $key => $value){
                if($key !=="general"){
                    $telnat['user'] = $key;
                    $telnat['secret'] = $value['secret'];
                }else{
                    $telnat['port'] = $value['port'];
                }
            }
//            return $this->connect('localhost:' . $config['general']['port'], 'admin', $config['admin']['secret']);
            $info  =  $this->connect('localhost:' . $telnat['port'], $telnat['user'], $telnat['secret']);
            if($info !== false){
                 return    $this->connect('localhost:' . $telnat['port'], $telnat['user'], $telnat['secret']);
            }
            if($info === false){
              return 'false';
            }
        }
    }


    if ($this->socket == false) {
//            $this->log("Unable to connect to manager {$this->server}:{$this->port} ($errno): $errstr");
//            socket 连接失败，程序自动终止
//            exit("Unable to connect to manager {$this->server}:{$this->port} ($errno): " . iconv("gb2312", "UTF-8", $errstr));
//            die(false);
            return false;
        }