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<?php function set_trace(\Throwable $e) { $reflection = new \ReflectionProperty( $e instanceof \Error ? \Error::class : \Exception::class, 'trace' ); $reflection->setAccessible(true); $reflection->setValue($e, \debug_backtrace()); return $e; } function deeper_stack(int $depth, callable $callback, ...$args) { return $depth > 1 ? deeper_stack($depth - 1, $callback, ...$args) : $callback(...$args); } echo deeper_stack(5, 'set_trace', new Error);
Output for git.master, git.master_jit, rfc.property-hooks
Error in /in/nCi9N:22 Stack trace: #0 /in/nCi9N(19): set_trace(Object(Error)) #1 /in/nCi9N(18): deeper_stack(1, 'set_trace', Object(Error)) #2 /in/nCi9N(18): deeper_stack(2, 'set_trace', Object(Error)) #3 /in/nCi9N(18): deeper_stack(3, 'set_trace', Object(Error)) #4 /in/nCi9N(18): deeper_stack(4, 'set_trace', Object(Error)) #5 /in/nCi9N(22): deeper_stack(5, 'set_trace', Object(Error)) #6 {main}

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