Online PHP editor | output for 5eh2H

<?php declare(strict_types = 1); phpversion() >= "7.0.0" or die(); function myErrorHandler($errno, $errstr, $errfile, $errline) { if ( E_RECOVERABLE_ERROR===$errno ) { echo "'catched' catchable fatal error\n"; return true; } return false; } set_error_handler('myErrorHandler'); class FooBar { public $prop = '123'; } class BarFoo { public $prop = '312'; } function test () : FooBar { return new FooBar; } function test1 () : BarFoo { return new FooBar; } try { var_dump(test1()); } catch (Exception $e) { var_dump($e->getMessage()); } var_dump(test());