define('MYKEY', 'The value is from outside of class');
class Abc{
const MAX = 10;
public function __construct(){
define('TEST', 'hello world! '); // using define function in class constructor
}
public function getOutput(){
echo TEST . MYKEY . PHP_EOL; // accessing constants from outside of class
}
}
$obj = new Abc(); // define function will call
$obj->getOutput(); // hello world! The value is from outside of class
echo Abc::MAX . PHP_EOL; // 10 - accessing constant using scope resolution
echo TEST; // hello world! Because the constants is defined while constructor call
