1--TEST-- 2GH-10695: Exception handlers can register another exception handler 3--FILE-- 4<?php 5set_exception_handler(function (\Throwable $exception) { 6 echo 'Caught: ' . $exception->getMessage() . "\n"; 7 set_exception_handler(function (\Throwable $exception) { 8 echo 'Caught: ' . $exception->getMessage() . "\n"; 9 }); 10 throw new \Exception('exception handler'); 11}); 12 13throw new \Exception('main'); 14?> 15--EXPECT-- 16Caught: main 17Caught: exception handler 18