Conditionally add options to unserialize in PHP 7.0+.

Author: Denis Brumann

Config/EnvParametersResource.php

@@ -72,7 +72,11 @@ public function serialize()
 
     public function unserialize($serialized)
     {
-        $unserialized = unserialize($serialized);
+        if (PHP_VERSION_ID >= 70000) {
+            $unserialized = unserialize($serialized, array('allowed_classes' => false));
+        } else {
+            $unserialized = unserialize($serialized);
+        }
 
         $this->prefix = $unserialized['prefix'];
         $this->variables = $unserialized['variables'];

Debug/FileLinkFormatter.php

@@ -63,7 +63,11 @@ public function serialize()
 
     public function unserialize($serialized)
     {
-        $this->fileLinkFormat = unserialize($serialized);
+        if (PHP_VERSION_ID >= 70000) {
+            $this->fileLinkFormat = unserialize($serialized, array('allowed_classes' => false));
+        } else {
+            $this->fileLinkFormat = unserialize($serialized);
+        }
     }
 
     private function getFileLinkFormat()

Kernel.php

@@ -734,7 +734,11 @@ public function serialize()
 
     public function unserialize($data)
     {
-        list($environment, $debug) = unserialize($data);
+        if (PHP_VERSION_ID >= 70000) {
+            list($environment, $debug) = unserialize($data, array('allowed_classes' => false));
+        } else {
+            list($environment, $debug) = unserialize($data);
+        }
 
         $this->__construct($environment, $debug);
     }