1	<?php
2
3	declare(strict_types=1);
4
5	namespace Celema\Console;
6
7	use Override;
8
9	/**
10	* An Io that captures everything in memory instead of writing to the
11	* terminal.
12	*
13	* Made for command tests: pass it to the command (or the Runner) and assert
14	* on `output()` and `errorOutput()`. Colors are always disabled, so
15	* assertions need no escape-code stripping. The `$input` string feeds
16	* `ask()` and `confirm()`, one line per prompt.
17	*
18	* @api
19	*/
20	final class BufferedIo extends Io
21	{
22	private mixed $inputBuffer = null;
23
24	public function __construct(string $input = '')
25	{
26	parent::__construct('php://memory', 'php://memory');
27
28	if ($input !== '') {
29	$stream = $this->stdin();
30	fwrite($stream, $input);
31	rewind($stream);
32	}
33	}
34
35	#[Override]
36	protected function stdin(): mixed
37	{
38	// The parent opens its input target read-only, which php://memory
39	// honors, so the buffer needs its own read-write stream.
40	return $this->inputBuffer ??= fopen('php://memory', mode: 'w+');
41	}
42
43	public function output(): string
44	{
45	return $this->contents($this->stdout());
46	}
47
48	public function errorOutput(): string
49	{
50	return $this->contents($this->stderr());
51	}
52
53	private function contents(mixed $stream): string
54	{
55	$position = (int) ftell($stream);
56	rewind($stream);
57	$contents = (string) stream_get_contents($stream);
58	fseek($stream, $position);
59
60	return $contents;
61	}
62
63	#[Override]
64	protected function hasColorSupport(mixed $stream): bool
65	{
66	return false;
67	}
68	}

---

Paths

Below are the source code lines that represent each code path as identified by Xdebug. Please note a path is not necessarily coterminous with a line, a line may contain multiple paths and therefore show up more than once. Please also be aware that some paths may include implicit rather than explicit branches, e.g. an if statement always has an else as part of its logical flow even if you didn't write one.

BufferedIo->__construct

24	public function __construct(string $input = '')
25	{
26	parent::__construct('php://memory', 'php://memory');
27
28	if ($input !== '') {
29	$stream = $this->stdin();
30	fwrite($stream, $input);
31	rewind($stream);
32	}
33	}
33	}

24	public function __construct(string $input = '')
25	{
26	parent::__construct('php://memory', 'php://memory');
27
28	if ($input !== '') {
33	}

BufferedIo->contents

53	private function contents(mixed $stream): string
54	{
55	$position = (int) ftell($stream);
56	rewind($stream);
57	$contents = (string) stream_get_contents($stream);
58	fseek($stream, $position);
59
60	return $contents;
61	}

BufferedIo->errorOutput

50	return $this->contents($this->stderr());
51	}

BufferedIo->hasColorSupport

64	protected function hasColorSupport(mixed $stream): bool
65	{
66	return false;
67	}

BufferedIo->output

45	return $this->contents($this->stdout());
46	}

BufferedIo->stdin

40	return $this->inputBuffer ??= fopen('php://memory', mode: 'w+');
41	}