php中的类常量简单实例讲解

class Student
{
       public  $stu_id;
       public  $stu_name;
       public  $stu_gender;
      
       const  GENDER_MALE = ‘男’;
       const  GENDER_FEMALE = ‘女’;
 
}

class Student
{
       public  $stu_id;
       public  $stu_name;
       public  $stu_gender;
      
       const  GENDER_MALE = ‘男’;
       const  GENDER_FEMALE = ‘女’;
 
       public function construct($id,$name,$gender=’’)
       {
              $this->stu_id= $id;
              $this->stu_name= $name;
              $this->gender= ($gender == ‘ ’)?self::GENDER_MALE : $gender;
       }
 
}