Laravel / Lang Fetch (For a structured lang folder / json)

map.php

<?php
$dir = 'resources/lang';
$exportFileName = 'export-en';

$iterator = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($dir));
$files = array();
foreach ($iterator as $file) {
    if ($file->isFile() && in_array($file->getExtension(), ['json', 'php'])) {
        if ($file->getFilename() !== $exportFileName . '.json') {
            $files[] = $file->getPathname();
        }
    }
}

$localeData = [];
foreach ($files as $file) {
    if (pathinfo($file, PATHINFO_EXTENSION) === 'json') {
        $json = file_get_contents($file);
        $array = json_decode($json, true);
        foreach ($array as $key => $value) {
            if (is_string($value)) {
                $localeData[$key] = $value;
            }
        }
    } elseif (pathinfo($file, PATHINFO_EXTENSION) === 'php') {
        $array = include $file;
        foreach ($array as $key => $value) {
            if (is_string($value)) {
                $localeData[$key] = $value;
            }
        }
    }
}

$localeFile = sprintf('%s/%s.json', $dir, $exportFileName);
file_put_contents($localeFile, json_encode($localeData, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE));

echo "Mapping completed. Locale file '{$localeFile}' created.";
?>