Tag: metadata

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folder’s metadata in php

You can add metadata to a website folder, i.g. adding in it a file, such as . folder, within write something like:

{
    "description": "your description",
    "order": 2
}

“order”: 2, in case you want that that folder be the second in your webpage

In the webpage you can retrieve the metadata info with a code like this:

<?php
$d = dir(".");
$folders = [];

// Array delle cartelle da escludere
$excludedDirs = ['excluded-dir', 'another-excluded-dir', 'yet-another-excluded-dir'];

while (false !== ($entry = $d->read())) {
    // Controlla se l'entry è una directory e non è una delle cartelle da escludere
    if (is_dir($entry) && ($entry != '.') && ($entry != '..') && !in_array($entry, $excludedDirs)) {
        $metadataFile = $entry . '/.directory';
        $metadata = [];

        // Recupera i metadati dal file .directory
        if (file_exists($metadataFile)) {
            $metadata = json_decode(file_get_contents($metadataFile), true); // Leggi e decodifica il contenuto del file
        }

        // Aggiungi la cartella e i metadati all'array
        $folders[] = [
            'name' => $entry,
            'displayName' => str_replace('-', ' ', $entry), // Sostituisci i trattini con spazi per la visualizzazione
            'order' => isset($metadata['order']) ? $metadata['order'] : PHP_INT_MAX, // Usa un valore alto se non è specificato
            'description' => isset($metadata['description']) ? $metadata['description'] : ''
        ];
    }
}

// Ordina le cartelle in base all'attributo 'order'
usort($folders, function($a, $b) {
    return $a['order'] <=> $b['order'];
});

echo "<h2>sotto-sezioni</h2>\n<ul>";
foreach ($folders as $folder) {
    echo "<li order='{$folder['order']}'><a  class='big' href='{$folder['name']}'>{$folder['displayName']}</a>";
    if ($folder['description']) {
        echo "<br /><p>{$folder['description']}</p>"; // Mostra la descrizione se presente
    }
    echo "</li>";
}
echo "</ul>";

$d->close();
?>
Pubblicato il

php list files and metadata

This is a good code:

<?php
echo "<ul class=\"flexmenu\">\n";
$phpfiles = glob("$path./[^index]*.php"); // Get all PHP files except index.php
foreach ($phpfiles as $phpfile) {
    $contents = file_get_contents($phpfile);

    preg_match('/\$title\s*=\s*"(.*?)";/', $contents, $titleMatch);
    preg_match('/\$subtitle\s*=\s*"(.*?)";/', $contents, $subtitleMatch);
    preg_match('/\$description\s*=\s*"(.*?)";/', $contents, $descriptionMatch);
    preg_match('/\$order\s*=\s*"(.*?)";/', $contents, $orderMatch);

    $title = $titleMatch[1] ?? 'No title';
    $subtitle = $subtitleMatch[1] ?? 'No subtitle';
    $order = $orderMatch[1] ?? '';
    $description = $descriptionMatch[1] ?? 'No description';

    // Correctly extract the filename
     $filename = $phpfile; // Use basename on $phpfile directly
    echo " <li role='menuitem' style=\"order:$order\"><a href=\"{$filename}\">{$title}</a>, <i>{$subtitle}</i>: {$description}</li>\n";
}
echo "</ul>";
?>

You can get the title of your files in that folder (useful if the name of the file would not suit for a list), the subtitle and description.
With the order variable you can set, in a flex list (and this is why is added a .flexmenu class: a no-flex list doesn’t order your items as expected, but alphabetically), in what order your files should appear.
Of course the title is linked with the matching file.

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edit video metadata

To edit video metadata without re-encoding a video, you can:

  • if the video is an mp4 use VLC (tools/media info), with many options (besides title and date, you can set genre, artist, album, comment and so on).
  • if the video is an mkv use MkvToolNix Header editor (only for title and date)

Unfortunalely, MkvToolNix is not able to change other than title and date.

But a workaround can be

  1. convert a video from mkv to mp4 (copying audio and video: very fast)
  2. edit the new mp4 metadata file with vlc
  3. re-convert (if you want) the mp4 file to a mkv file (copying audio and video), keeping your added metadata.

I found that a good tool to make the conversion (from e to mkv, editing the preset and selecting copy audio and copy video, in audio and video tabs) can be MistiQ Video Converter.