Upgrade the minimum php version to 8.0 for websocket. (#4525)

Author: limingxinleo

src/Client.php

@@ -19,19 +19,10 @@
 
 class Client
 {
-    /**
-     * @var UriInterface
-     */
-    protected $uri;
-
-    /**
-     * @var Coroutine\Http\Client
-     */
-    protected $client;
+    protected Coroutine\Http\Client $client;
 
-    public function __construct(UriInterface $uri)
+    public function __construct(protected UriInterface $uri)
     {
-        $this->uri = $uri;
         $host = $uri->getHost();
         $port = $uri->getPort();
         $ssl = $uri->getScheme() === 'wss';

src/Frame.php

@@ -13,22 +13,13 @@
 
 use Swoole\WebSocket\Frame as SwFrame;
 
-class Frame
+class Frame implements \Stringable
 {
-    /**
-     * @var bool
-     */
-    public $finish = true;
+    public bool $finish = true;
 
-    /**
-     * @var string
-     */
-    public $opcode;
+    public int $opcode;
 
-    /**
-     * @var string
-     */
-    public $data;
+    public string $data;
 
     public function __construct(SwFrame $frame)
     {
@@ -37,7 +28,7 @@ public function __construct(SwFrame $frame)
         $this->data = $frame->data;
     }
 
-    public function __toString()
+    public function __toString(): string
     {
         return $this->data;
     }
@@ -53,7 +44,7 @@ public function getOpcodeDefinition(): string
         return $map[$this->opcode] ?? 'WEBSOCKET_BAD_OPCODE';
     }
 
-    public function getOpcode(): string
+    public function getOpcode(): int
     {
         return $this->opcode;
     }

tests/FrameTest.php

@@ -24,7 +24,10 @@ class FrameTest extends TestCase
 {
     public function testFrame()
     {
-        $frame = new Frame(Mockery::mock(SwFrame::class));
+        $swframe = Mockery::mock(SwFrame::class);
+        $swframe->finish = true;
+        $swframe->opcode = 1;
+        $frame = new Frame($swframe);
 
         $this->assertSame($frame->data, (string) $frame);
     }