Updated

functions.php

@@ -2,8 +2,6 @@
 
 namespace Opis\Closure;
 
-use Opis\Closure\Security\SecurityProviderInterface;
-
 /**
  * @param Security\SecurityProviderInterface|string|null $security The security provider used to sign data
  * @param bool $v3Compatible True if you need v3 compatibility at deserialization
@@ -29,7 +27,7 @@ function set_security_provider(Security\SecurityProviderInterface|string|null $s
 
 /**
  * Get current security provider
- * @return SecurityProviderInterface|null
+ * @return Security\SecurityProviderInterface|null
  */
 function get_security_provider(): ?Security\SecurityProviderInterface
 {
@@ -91,7 +89,7 @@ function serialize(
  * Unserialize data
  * @param string $data Data to be deserialized
  * @param Security\SecurityProviderInterface|array|null $security The security provider used to check the signature
- * @param array|null $options Options for unserialization
+ * @param array|null $options Options for \unserialize()
  * @return mixed The deserialized data
  * @see https://www.php.net/manual/en/function.unserialize.php
  */
@@ -108,3 +106,39 @@ function unserialize(
     return Serializer::unserialize($data, $security, $options);
 }
 
+/**
+ * Unserialize data from v3
+ * @param string $data The data to deserialize
+ * @param Security\SecurityProviderInterface|null $security Security provider used to check the signature
+ * @param array|null $options Options for \unserialize()
+ * @return mixed The deserialized data
+ */
+function v3_unserialize(
+    string $data,
+    ?Security\SecurityProviderInterface $security = null,
+    ?array $options = null
+): mixed
+{
+    return Serializer::v3_unserialize($data, $security, $options);
+}
+
+/**
+ * Helper method used to replace the deprecated create_function() from PHP
+ * @param string $args Comma separated list of function arguments
+ * @param string $body Function code
+ * @return \Closure
+ * @see https://www.php.net/manual/en/function.create-function.php
+ */
+function create_closure(string $args, string $body): \Closure
+{
+    Serializer::init();
+
+    $header = "/* created with " . __FUNCTION__ . "() */";
+    $body = "static function (" . $args . ") {\n" . $body . "\n}";
+
+    if (!($info = ClosureInfo::resolve(ClosureInfo::createKey($header, $body)))) {
+        $info = new ClosureInfo($header, $body, null, ClosureInfo::FLAG_IS_STATIC);
+    }
+
+    return ($info->getFactory(null))();
+}

src/Serializer.php

@@ -2,7 +2,7 @@
 
 namespace Opis\Closure;
 
-use Closure, UnitEnum;
+use UnitEnum;
 use Opis\Closure\Security\{
     DefaultSecurityProvider,
     SecurityProviderInterface,
@@ -165,12 +165,11 @@ public static function unserialize(string $data, ?SecurityProviderInterface $sec
     }
 
     /**
-     * Unserialize data from v3.x using a security provider (optional)
+     * Unserialize data from v3 using a security provider (optional)
      * DO NOT use this to unserialize data from v4
      * This method was created in order to help with migration from v3 to v4
-     * @throws SecurityException
      */
-    public static function unserialize_v3(string $data, ?SecurityProviderInterface $security = null, ?array $options = null): mixed
+    public static function v3_unserialize(string $data, ?SecurityProviderInterface $security = null, ?array $options = null): mixed
     {
         self::$init || self::init();
 
@@ -272,27 +271,6 @@ public static function register(string $class, ?callable $serialize, ?callable $
         $data->unserialize = $unserialize;
     }
 
-    /**
-     * Helper method used to replace the deprecated create_function() from PHP
-     * @param string $args
-     * @param string $body
-     * @return Closure
-     */
-    public static function createClosure(string $args, string $body): Closure
-    {
-        // make sure we are registered
-        self::$init || self::init();
-
-        $header = "/* created with " . __METHOD__ . "() */";
-        $body = "static function (" . $args . ") {\n" . $body . "\n}";
-
-        if (!($info = ClosureInfo::resolve(ClosureInfo::createKey($header, $body)))) {
-            $info = new ClosureInfo($header, $body, null, ClosureInfo::FLAG_IS_STATIC);
-        }
-
-        return ($info->getFactory(null))();
-    }
-
     /**
      * Set current security provider
      */