ReflectionClassConstant::isProtected
  (PHP 7 >= 7.1.0, PHP 8)
ReflectionClassConstant::isProtected — Checks if class constant is protected
  
 
  说明
  
   public ReflectionClassConstant::isProtected(): 
bool 
  
  
 
 
  返回值
  
   true if the class constant is protected, otherwise false