feat: choose your serialization format by select Serializer

Author: darkdarin

composer.json

@@ -19,6 +19,7 @@
         "psr/simple-cache": "^3.0"
     },
     "require-dev": {
+        "ext-igbinary": "*",
         "roave/security-advisories": "dev-latest"
     },
     "provide": {

src/ArrayFileCache.php

@@ -9,19 +9,25 @@ class ArrayFileCache implements CacheInterface
     private ?array $data = null;
     private string $cachePath;
     private string $cacheName;
+    private SerializerInterface $serializer;
 
-    public function __construct(string $cachePath, string $cacheName)
+    public function __construct(string $cachePath, string $cacheName, ?SerializerInterface $serializer = null)
     {
         $this->cachePath = $cachePath;
         $this->cacheName = $cacheName;
+        if ($serializer === null) {
+            $this->serializer = new DefaultSerializer();
+        } else {
+            $this->serializer = $serializer;
+        }
     }
 
     protected function getData(): array
     {
         if ($this->data === null) {
             $filePath = $this->getCacheFilePath();
             if (file_exists($filePath)) {
-                $this->data = require $filePath;
+                $this->data = $this->serializer->unserialize($filePath);
             } else {
                 $this->data = [];
             }
@@ -37,8 +43,7 @@ protected function saveData(array $data): bool
         }
 
         $this->data = $data;
-
-        return file_put_contents($this->getCacheFilePath(), '<?php return ' . var_export($data, true) . ';' . PHP_EOL);
+        return $this->serializer->serialize($data, $this->getCacheFilePath());
     }
 
     public function get(string $key, mixed $default = null): mixed

src/DefaultSerializer.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace Tochka\Cache;
+
+class DefaultSerializer implements SerializerInterface
+{
+    public function serialize(mixed $data, string $fileName): bool
+    {
+        return file_put_contents($fileName, serialize($data));
+    }
+
+    public function unserialize(string $fileName): mixed
+    {
+        return unserialize(file_get_contents($fileName));
+    }
+}

src/IgBinarySerializer.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace Tochka\Cache;
+
+class IgBinarySerializer implements SerializerInterface
+{
+    public function serialize(mixed $data, string $fileName): bool
+    {
+        return file_put_contents($fileName, igbinary_serialize($data));
+    }
+
+    public function unserialize(string $fileName): mixed
+    {
+        return igbinary_unserialize(file_get_contents($fileName));
+    }
+}

src/SerializerInterface.php

@@ -0,0 +1,10 @@
+<?php
+
+namespace Tochka\Cache;
+
+interface SerializerInterface
+{
+    public function serialize(mixed $data, string $fileName): bool;
+
+    public function unserialize(string $fileName): mixed;
+}

src/VarExportSerializer.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace Tochka\Cache;
+
+class VarExportSerializer implements SerializerInterface
+{
+    public function serialize(mixed $data, string $fileName): bool
+    {
+        return file_put_contents($fileName, '<?php return ' . var_export($data, true) . ';' . PHP_EOL);
+    }
+
+    public function unserialize(string $fileName): mixed
+    {
+        return require $fileName;
+    }
+}