Online PHP editor | refs for GFd18

<?php namespace PHPUnit\TestFixture; use function set_error_handler; use function trigger_error; use PHPUnit\Framework\TestCase; class SomeExternalDependency { public function __construct() { set_error_handler([$this, 'logError']); $this->triggerError(); } public static function triggerError(): void { trigger_error('error', E_USER_WARNING); } private function logError(): bool { debug_print_backtrace(); return true; } } class Issue5844Test { public function testSetErrorHandlerNonCallable(): void { new SomeExternalDependency(); $callableWithPrivateMethod = set_error_handler(static fn () => false); restore_error_handler(); restore_error_handler(); set_error_handler($callableWithPrivateMethod); echo "\nii.\n"; SomeExternalDependency::triggerError(); echo "\niii.\n"; trigger_error('error', E_USER_WARNING); // $this->assertTrue(true); } } (new Issue5844Test())->testSetErrorHandlerNonCallable();