Online PHP editor | refs for mZ9E3

<?php namespace Foo; use function set_error_handler; use function trigger_error; 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 Test { 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); } } (new Test())->testSetErrorHandlerNonCallable();