Sublime Text snippet doc table generator for MediaWiki

<?php
/**
 * Sublime Text snippet documentation table generator for MediaWiki.
 *
 * @author  Marijke Luttekes
 */

/*
|------------------------------------------------------------------------------
| Environment settings
|------------------------------------------------------------------------------
*/

$dirpath = 'Snippets';

/*
|------------------------------------------------------------------------------
| Extract snippets from directory
|------------------------------------------------------------------------------
*/

// Make sure the directory exists
if (!is_dir($dirpath)) {
    exit('[EXIT] The directory "'.$dirpath.'" does not exist.');
}

// Make sure we can open the directory
if (!$dir = opendir($dirpath)) {
    exit('[EXIT] Could not open directory "'.$dirpath.'".');
}

// Time to extract those snippets
$snippets = array();
while ($filepath = readdir($dir)) {
    // Snippets should always have the extensions 'sublime-snippet'
    if (pathinfo($filepath, PATHINFO_EXTENSION) != 'sublime-snippet') {
        continue;
    }

    // Snippets are written in XML, so lets parse this stuff
    $snippet = new DOMDocument();
    $snippet->load($dirpath.'/'.$filepath);

    foreach ($snippet->getElementsByTagName('snippet') as $value) {
        $name = pathinfo($filepath, PATHINFO_FILENAME);

        // Use the file's name as a unique identifier
        $snippets[$name] = array(
            'file' => $filepath
        );

        // Put the snippet's child nodes into the array
        foreach($value->childNodes as $child) {
            // There's no need to save the actual content of the snippet, we only need its properties
            if ($child->nodeName == 'content' || empty(trim($child->textContent))) {
                continue;
            }

            // Accepted node names are usually: {tabTrigger, scope, description}
            $snippets[$name][$child->nodeName] = $child->textContent;
        }
    }
}

/*
|------------------------------------------------------------------------------
| Convert snippet results to MediaWiki table markup
|------------------------------------------------------------------------------
*/

// No snippets, no glory
if (empty($snippets)) {
    exit('[EXIT] No snippets were found in directory "'.$dirpath.'".');
}

// Generate the MediaWiki table
$markup = '{| {{STDT|sortable}}'.PHP_EOL;
$markup .= '! scope="col" | Name'.PHP_EOL;
$markup .= '! scope="col" | Tab trigger'.PHP_EOL;
$markup .= '! scope="col" | Type(s)'.PHP_EOL;
$markup .= '! scope="col" | Description'.PHP_EOL;
$markup .= '! scope="col" | Filename'.PHP_EOL;
$markup .= '! scope="col" | Notes'.PHP_EOL;
foreach ($snippets as $name => $data) {
    // Extract all data from $snippets
    $name = strstr($name, '-') ? substr(strstr($name, '-'), 1) : $name;
    $tab = isset($data['tabTrigger']) && !empty($data['tabTrigger']) ? $data['tabTrigger'] : '';
    $scope = isset($data['scope']) && !empty($data['scope']) ? $data['scope'] : '';
    $desc = isset($data['description']) && !empty($data['description']) ? $data['description'] : '';

    // Remove "text." and "source." from scope(s)
    $types = explode(',', $scope);
    foreach ($types as &$value) {
        $value = substr(strrchr($value, '.'), 1);
    }
    sort($types);
    $types = implode(', ', $types);

    // Generate the table row
    $markup .= '|-'.PHP_EOL;
    $markup .= '| '.$name.PHP_EOL;
    $markup .= '| '.$tab.PHP_EOL;
    $markup .= '| '.$types.PHP_EOL;
    $markup .= '| '.$desc.PHP_EOL;
    $markup .= '| '.$data['file'].PHP_EOL;
    $markup .= '| -'.PHP_EOL;
}
$markup .= '|}';

// Print the markup, the markup can be directly pasted into a MediaWiki page
echo '<pre><code>';
echo $markup;
echo '</code></pre>';