WokerTask/vendor/textalk/websocket/docs/Message.md

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[Client](Client.md) • [Server](Server.md) • Message • [Examples](Examples.md) • [Changelog](Changelog.md) • [Contributing](Contributing.md)
# Websocket: Messages
If option `return_obj` is set to `true` on [client](Client.md) or [server](Server.md),
the `receive()` method will return a Message instance instead of a string.
Available classes correspond to opcode;
* WebSocket\Message\Text
* WebSocket\Message\Binary
* WebSocket\Message\Ping
* WebSocket\Message\Pong
* WebSocket\Message\Close
Additionally;
* WebSocket\Message\Message - abstract base class for all messages above
* WebSocket\Message\Factory - Factory class to create Message instances
## Message abstract class synopsis
```php
WebSocket\Message\Message {
public __construct(string $payload = '');
public __toString() : string;
public getOpcode() : string;
public getLength() : int;
public getTimestamp() : DateTime;
public getContent() : string;
public setContent(string $payload = '') : void;
public hasContent() : bool;
}
```
## Factory class synopsis
```php
WebSocket\Message\Factory {
public create(string $opcode, string $payload = '') : Message;
}
```
## Example
Receving a Message and echo some methods.
```php
$client = new WebSocket\Client('ws://echo.websocket.org/', ['return_obj' => true]);
$client->text('Hello WebSocket.org!');
// Echo return same message as sent
$message = $client->receive();
echo $message->getOpcode(); // -> "text"
echo $message->getLength(); // -> 20
echo $message->getContent(); // -> "Hello WebSocket.org!"
echo $message->hasContent(); // -> true
echo $message->getTimestamp()->format('H:i:s'); // -> 19:37:18
$client->close();
```