support for older versions php

Author: antonshevelev

.github/workflows/build.yml

@@ -31,6 +31,9 @@ jobs:
           - ubuntu-latest
 
         php:
+          - "7.3"
+          - "7.4"
+          - "8.0"
           - "8.1"
           - "8.2"
           - "8.3"

composer.json

@@ -24,10 +24,10 @@
         }
     ],
     "require": {
-        "php": ">=8.1",
+        "php": "^7.2 || ^8.0",
         "yiisoft/yii2": "~2.0.51",
         "ext-openssl": "*",
-        "predis/predis": "^3.0"
+        "predis/predis": "^v2.3.0|^3.0"
     },
     "require-dev": {
         "phpunit/phpunit": "9.*",

src/Connection.php

@@ -545,7 +545,7 @@ public function __call($name, $params)
      * for details on the mentioned reply types.
      * @throws Exception for commands that return [error reply](https://redis.io/topics/protocol#error-reply).
      */
-    public function executeCommand($name, $params = []): mixed
+    public function executeCommand($name, $params = [])
     {
         $this->open();
 

src/ConnectionInterface.php

@@ -225,5 +225,10 @@ public function close(): void;
 
     public function getIsActive(): bool;
 
-    public function executeCommand($name, $params = []): mixed;
+    /**
+     * @param $name
+     * @param $params
+     * @return mixed
+     */
+    public function executeCommand($name, $params = []);
 }

src/predis/Command/CommandDecorator.php

@@ -8,7 +8,7 @@
 
 class CommandDecorator extends COMMAND
 {
-    private CommandInterface $originalCommand;
+    private $originalCommand;
 
     public function __construct(CommandInterface $command)
     {
@@ -26,7 +26,7 @@ public function parseResponse($data)
 
     // Calling methods of the original class
 
-    public function __call($method, $args): mixed { return call_user_func_array([$this->originalCommand, $method], $args); }
+    public function __call($method, $args) { return call_user_func_array([$this->originalCommand, $method], $args); }
 
     public function getId():string { return $this->originalCommand->getId(); }
 
@@ -40,9 +40,9 @@ public function getSlot(): ?int { return $this->originalCommand->getSlot(); }
 
     public function setRawArguments(array $arguments): void { $this->originalCommand->setRawArguments($arguments); }
 
-    public function getArgument($index): mixed { return $this->originalCommand->getArgument($index); }
+    public function getArgument($index) { return $this->originalCommand->getArgument($index); }
 
-    public function parseResp3Response($data): mixed { return $this->originalCommand->parseResp3Response($data); }
+    public function parseResp3Response($data) { return $this->originalCommand->parseResp3Response($data); }
 
     public function serializeCommand(): string { return $this->originalCommand->serializeCommand(); }
 }

src/predis/PredisConnection.php

@@ -54,7 +54,7 @@ class PredisConnection extends Component implements ConnectionInterface
      * @var array List of available redis commands.
      * @see https://redis.io/commands
      */
-    public array $redisCommands = [
+    public $redisCommands = [
         'APPEND', // Append a value to a key
         'AUTH', // Authenticate to the server
         'BGREWRITEAOF', // Asynchronously rewrite the append-only file
@@ -289,17 +289,17 @@ protected function initConnection(): void
     /**
      * @var mixed Connection parameters for one or more servers.
      */
-    public mixed $parameters;
+    public $parameters;
 
     /**
      * @var mixed Options to configure some behaviours of the client.
      */
-    public mixed $options = [];
+    public $options = [];
 
     /**
      * @var Client|null redis connection
      */
-    protected Client|null $client = null;
+    protected $client;
 
     /**
      * Returns a value indicating whether the DB connection is established.
@@ -308,14 +308,17 @@ protected function initConnection(): void
      */
     public function getIsActive(): bool
     {
-        return (bool)$this->client?->isConnected();
+        if($this->client === null) {
+            return false;
+        }
+        return $this->client->isConnected();
     }
 
     /**
      * @return mixed|ErrorInterface|ResponseInterface
      * @throws InvalidConfigException
      */
-    public function executeCommand($name, $params = []): mixed
+    public function executeCommand($name, $params = [])
     {
         $this->open();
 
@@ -359,7 +362,10 @@ public function open(): void
      */
     public function close(): void
     {
-        $this->client?->disconnect();
+        if($this->client === null) {
+            return;
+        }
+        $this->client->disconnect();
     }
 
     /**
@@ -386,7 +392,7 @@ public function getClient(): ?Client
      * @return mixed
      * @throws InvalidConfigException
      */
-    public function __call($name, $params): mixed
+    public function __call($name, $params)
     {
         $redisCommand = strtoupper(Inflector::camel2words($name, false));
         if (in_array($redisCommand, $this->redisCommands, true)) {

tests/data/ar/OrderItem.php

@@ -46,5 +46,4 @@ public function getItem()
     {
         return $this->hasOne(Item::className(), ['id' => 'item_id']);
     }
-
 }