php反射 获取类的源码

class test{
        private $name;

        function set($value){
                $this->name = $value;
        }
        function get(){
                return $this->name;  
        }
}


class reflectionUtil{
        static function getClassSourse( ReflectionClass $class){
                $path = $class->getFileName();
                $lines = @file($path);
                $from = $class->getStartLine();
                $to = $class->getEndLine();
                $len = $to-$from+1;
                return implode(array_slice($lines, $from-1,$len));
        }
}

print ReflectionUtil::getClassSourse( new ReflectionClass('test'));