在我的 Gazzet 课程中我面临错误,我无法理解,请解释一下,
注意:尝试在第 71 行的 E:\Web\xampp\htdocs\oop\includes\gazett.php 中获取非对象的属性 注意:尝试在 E:\Web\xampp\htdocs\ 中获取非对象的属性oop\includes\gazett.php 位于第 72 行 注意:未定义变量:E:\Web\xampp\htdocs\oop\includes\gazett.php 中的 courseName 位于第 174 行 致命错误:无法访问 E:\Web\xampp 中的空属性\htdocs\oop\includes\gazett.php 在第 174 行
class Gazzet{
private $course, $Regid ;
public $InstName, $Address;
public $courseName, $E_Year;
public $InstName, $Address;
public $courseName, $E_Year;
function __construct($Course, $Regid){
$this->course=$Course;
$this->Regid=$Regid;
$this->madersaName();
$this->course_name();
}
private function madersaName(){
global $obj_madrsa_name;
$obj_madrsa_name = Madaris::madaris_by_id($this->Regid);//here i want to try get public property of obj_madrsa_name , but in vein i m error facing
$this->InstName=$obj_madrsa_name->InstName;// same above error, line 71
$this->Address=$obj_madrsa_name->Address; //same above error, line 72
}
private function course_name(){
global $obj_course;
$obj_course = Courses::courseName($this->course);
$this->$courseName = $obj_course->courseName; // same here, above given error face, line 174
$this->$E_Year = $obj_course->E_Year; // same here, above given error face, line 174
}
}
$gazett = new Gazett($Course);