Examples

Filesystem

Description

Flow includes a dedicated filesystem abstraction for working with files. The local filesystem provides operations for listing files (with glob pattern support), reading data (in full or chunks), and writing data.

Documentation

Every reader and writer reaches storage through the filesystem abstraction.

Filesystem Library

Code

<?php

declare(strict_types=1);

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

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

$filesystem = fstab()->for('file');

foreach (['first.txt' => "one\n", 'second.txt' => "two\n"] as $name => $content) {
    $stream = $filesystem->writeTo(path(__DIR__ . '/listing/' . $name));
    $stream->append($content);
    $stream->close();
}

$listing = $filesystem->writeTo(path(__DIR__ . '/listing/written.txt'));

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

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

$listing->close();

echo $filesystem->readFrom(path(__DIR__ . '/listing/written.txt'))->content();

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