unescape unicode files under path

unescapedFiles.php

<?php

function unescapedFiles($path){
    $files = array_diff(scandir($path), array('.', '..'));
    foreach ($files as $file) {
        $file = str_finish($path, '/') . $file;
        $content = json_decode(file_get_contents($file), true);
        $content = json_encode($content, JSON_UNESCAPED_UNICODE|JSON_UNESCAPED_SLASHES);
        file_put_contents($file, $content);
    }
}