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Informations about the package php-websocket-client
Websocket client for PHP
Use PHP to connect to at websocket service. These 3 methods make the websocket negotiation and connection and handle the hybi10 frame encoding required.
Note : unlike the library ratchetphp/Pawl, this a synchronous library that could be used within blocking kernels like Symfony for example.
Example 1:
Example 2, using a session cookie and setting timeout:
Example 3, using SSL
Client class
Constructor
Open websocket connection
__construct(string $host [, int $port [, array $additional_headers [, string &error_string [, int $timeout [, resource $context]]]]] )
host A host URL. It can be a domain name like www.example.com or an IP address like local host: 127.0.0.1
port The servers port number
headers (optional) additional HTTP headers to attach to the request. For example to parse a session cookie.
error_string (optional) A referenced variable to store error messages, if any.
timeout (optional) The maximum time in seconds, a read operation will wait for an answer from the server. Default value is 10 seconds.
context (optional) A stream context resource created with stream_context_create() used to set various socket stream options.
write
Send data to server through the websocket, using hybi10 frame encoding.
int write(string $data [,boolean $final])
data Data to transport to server
final (optional) indicate if this block is the final data block of this request. Default true
read
Read data through websocket from the server, using hybi10 frame encoding.
string read([string &error_string])
error_string (optional) A referenced variable to store error messages, i any.
Note:
- This implementation waits for the final chunk of data, before returning.
- Reading data while handling/ignoring other kind of packages
Exception
If anything goes wrong (connection, write, read...), a ConnectionException is thrown back. Please catch them all to return a comprehensive message (here's is a sample in a Symfony context) :
Tests
Tests are running against a local echo server implemented with Ratchet. You'll have to manually start the server in ANOTHER process.
And now you can launch PhpUnit
Code coverage
With PhpDbg, just launch :
Contribute
Please let me know if there is any problems with the code. Any contributions are accepted, if the code looks nice, not bloated and otherwise reasonable.
License: MIT: Free
TODO
- Achieving 100% Code Coverage
