imported_playlist_fixer.php

<?php
    // 置換元と置換先のマップは配列で用意
    $search = array("が","ぎ","ぐ","げ","ご","ざ","じ","ず","ぜ","ぞ","だ","ぢ","づ","で","ど","ば","び","ぶ","べ","ぼ","ぱ","ぴ","ぷ","ぺ","ぽ","ガ","ギ","グ","ゲ","ゴ","ザ","ジ","ズ","ゼ","ゾ","ダ","ヂ","ヅ","デ","ド","バ","ビ","ブ","ベ","ボ","パ","ピ","プ","ペ","ポ");
    $replace = array("が","ぎ","ぐ","げ","ご","ざ","じ","ず","ぜ","ぞ","だ","ぢ","づ","で","ど","ば","び","ぶ","べ","ぼ","ぱ","ぴ","ぷ","ぺ","ぽ","ガ","ギ","グ","ゲ","ゴ","ザ","ジ","ズ","ゼ","ゾ","ダ","ヂ","ヅ","デ","ド","バ","ビ","ブ","ベ","ボ","パ","ピ","プ","ペ","ポ");

    // 引数が適正かをチェック
    if ($argc > 1 and !empty($argv[1]) and is_dir($argv[1]) and is_writable($argv[1])) {
        // 引数値を正規化
        $dirpath = str_replace('//', '/', trim($argv[1] . '/'));

        // ファイルキャッシュクリア後に指定ディレクトリ内を走査
        clearstatcache();
        if ($dir = opendir($dirpath)) {
            // 対象ディレクトリ中の全ファイルを走査
            while (($file = readdir($dir)) !== false) {
                // 対象ファイルの場合のみ処理
                if (is_file($dirpath . $file) and is_readable($dirpath . $file) and fnmatch('*.m3u', $file)) {
                    // ファイルの中身を取得し変換（オリジナルファイルはリネームする）
                    if (($content = file_get_contents($dirpath . $file)) !== false and !empty($content)) {
                        echo "Converting: " . $dirpath . $file . PHP_EOL;
                        rename($dirpath . $file, str_replace('.m3u', '.m3u_original', $dirpath . $file));
                        $new_content = str_replace($search, $replace, mb_convert_encoding(strtr($content, array_fill_keys(array("\r\n", "\r", "\n"), "\r\n")), 'UTF-8', 'auto'));
                        echo "Convert: " . ((file_put_contents($dirpath . $file, $new_content) !== false) ? "SUCCEEDED" : "FAILED") . PHP_EOL;
                    }
                }
            }
            closedir($dir);
        }
    } else {
        // 引数値が予期せぬものだった場合は、Usage表示
        $usage_text =<<<EOT
[USAGE]
$argv[0] {directory path which playlists included}

[NOTES]
* Directory path MUST be a writable.
* The files extension MUST be a "m3u".
* The converted files are NOT over write.(Original files are renamed to "*.m3u_original")
EOT;
        echo $usage_text . PHP_EOL;
        exit;
    }