No data returned, where is the writing error? Novice

luke

php
$msg = ['a'=>'subscribe','v'=>array('408065','884737')];
$msg = json_encode($msg);
$con->send($msg);

linux：
Workerman[usmarket2.php] start in DEBUG mode
------------------------------------- WORKERMAN --------------------------------------
Workerman version:4.0.19 PHP version:7.3.31
-------------------------------------- WORKERS ---------------------------------------
proto user worker listen processes status
tcp root none none 1 [OK]
--------------------------------------------------------------------------------------
Press Ctrl+C to stop. Start success.
string(85) "{"type": "instruments_meta", "data": {"count": 85893, "etag": "W/\"64755886-1b51\""}}"
string(59) "{"type":"app_code","timestamp":"2023-05-30T13:31:46+05:30"}"
string(55) "{"type":"error","id":"","data":"error parsing request"}"

Note: Why can't screenshots be taken? Difficult to express needs

luke

No data, do you need to subscribe to certain market quotes to query the corresponding stock codes

luke

Is the data compressed? What function should I use to decompress and read it?

rakeshr

It's a raw binary tick packets. The documentation explains more about this.
PHPkiteconnect client don't have Websocket streaming implementation by default. You can take reference from this PHP ticker implementation package.