Phan\Language\FileRef::unserialize PHP Метод

    public function unserialize($serialized)
    {
        $map = explode(':', $serialized);
        $this->file = $map[0];
        $this->line_number_start = (int) $map[1];
        $this->line_number_end = (int) ($map[2] ?? 0);
    }

 /**
  * @return void
  */
 public function unserialize($serialized)
 {
     list($file_ref, $serialized) = explode('^', $serialized);
     parent::unserialize($file_ref);
     list($namespace, $class_fqsen, $method_fqsen, $closure_fqsen) = explode('|', $serialized);
     $this->namespace = $namespace;
     $this->class_fqsen = $class_fqsen ? FullyQualifiedClassName::fromFullyQualifiedString($class_fqsen) : null;
     // Determine if we have a method or a function
     if (false === strpos($method_fqsen, '::')) {
         $this->method_fqsen = $method_fqsen ? FullyQualifiedFunctionName::fromFullyQualifiedString($method_fqsen) : null;
     } else {
         $this->method_fqsen = $method_fqsen ? FullyQualifiedMethodName::fromFullyQualifiedString($method_fqsen) : null;
     }
     $this->closure_fqsen = $closure_fqsen ? FullyQualifiedFunctionName::fromFullyQualifiedString($closure_fqsen) : null;
 }