flow php

Example: Stdout

Topic: Filesystem


Description

Stdout is a special type of filesystem allowing to write straight to stdout of the process.

Stdout is a write-only filesystem. It is not possible to read from it.

Its main purpose is to allow to allow web servers to stream data to the client without buffering it in memory.

Code

<?php

declare(strict_types=1);

use function Flow\Filesystem\DSL\{fstab, path, protocol};

require __DIR__ . '/../../../autoload.php';

$outputStream = fstab()->for(protocol('stdout'))->writeTo(path('stdout://'));

$outputStream->append("Files List\n\n");

foreach (fstab()->for(protocol('file'))->list(path(__DIR__ . '/*')) as $file) {
    $outputStream->append(($file->isFile() ? 'File' : 'Directory') . ': ' . $file->path->basename() . "\n");
}

$outputStream->close();

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