Fix UNLINK missing single-array argument normalization (#1687)

* Allow  to accept an array of keys as a single argument

* fix signature

* update changelog

CHANGELOG.md

@@ -2,6 +2,9 @@
 ### Added
 - Expose pipeline API via ClientInterface (#1686)
 
+### Fixed
+- Allow `UNLINK` to accept an array of keys as a single argument (#1687)
+
 ## v3.5.0 (2026-06-02)
 ### Added
 - Added support for `XNACK` command (#1666)

src/ClientContextInterface.php

@@ -77,7 +77,7 @@ use Predis\Command\Redis\VADD;
  * @method $this sort_ro(string $key, ?string $byPattern = null, ?LimitOffsetCount $limit = null, array $getPatterns = [], ?string $sorting = null, bool $alpha = false)
  * @method $this ttl($key)
  * @method $this type($key)
- * @method $this unlink(string ...$keys)
+ * @method $this unlink(string[]|string $keyOrKeys, string ...$keys = null)
  * @method $this append($key, $value)
  * @method $this arcount(string $key)
  * @method $this ardel(string $key, int ...$index)

src/ClientInterface.php

@@ -88,7 +88,7 @@ use Predis\Response\Status;
  * @method array             sort_ro(string $key, ?string $byPattern = null, ?LimitOffsetCount $limit = null, array $getPatterns = [], ?string $sorting = null, bool $alpha = false)
  * @method int               ttl(string $key)
  * @method mixed             type(string $key)
- * @method int               unlink(string ...$keys)
+ * @method int               unlink(string[]|string $keyOrKeys, string ...$keys = null)
  * @method int               append(string $key, $value)
  * @method int               arcount(string $key)
  * @method int               ardel(string $key, int ...$index)

src/Command/Redis/UNLINK.php

@@ -27,6 +27,16 @@ class UNLINK extends RedisCommand
         return 'UNLINK';
     }
 
+    /**
+     * {@inheritdoc}
+     */
+    public function setArguments(array $arguments)
+    {
+        $arguments = self::normalizeArguments($arguments);
+
+        parent::setArguments($arguments);
+    }
+
     public function prefixKeys($prefix)
     {
         $this->applyPrefixForAllArguments($prefix);

tests/Predis/Command/Redis/UNLINK_Test.php

@@ -49,6 +49,20 @@ class UNLINK_Test extends PredisCommandTestCase
         $this->assertSame($expected, $command->getArguments());
     }
 
+    /**
+     * @group disconnected
+     */
+    public function testFilterArgumentsAsSingleArray(): void
+    {
+        $arguments = [['key1', 'key2', 'key3']];
+        $expected = ['key1', 'key2', 'key3'];
+
+        $command = $this->getCommand();
+        $command->setArguments($arguments);
+
+        $this->assertSame($expected, $command->getArguments());
+    }
+
     /**
      * @group disconnected
      */