get_called_class() Cannot Be Called Outside A Class

Until PHP 8, get_called_class() generated a warning when called outside a class or an enumration. Later, it is a fatal error.

PHP code

<?php

var_dump(get_called_class());
?>

Before

PHP Warning:  get_called_class() called from outside a class in /codes/get_called_class_outside_class.php on line 3

Warning: get_called_class() called from outside a class in /codes/get_called_class_outside_class.php on line 3
bool(false)

After

PHP Fatal error:  Uncaught Error: get_called_class() must be called from within a class in /codes/get_called_class_outside_class.php:3
Stack trace:
#0 {main}
  thrown in /codes/get_called_class_outside_class.php on line 3

Fatal error: Uncaught Error: get_called_class() must be called from within a class in /codes/get_called_class_outside_class.php:3
Stack trace:
#0 {main}
  thrown in /codes/get_called_class_outside_class.php on line 3

PHP version change

This behavior was deprecated in 7.0

This behavior changed in 8.0

Error Messages

• get_called_class() called from outside a class