Google Translate

<?php 
$text_for_translate = $_POST['text'];
if($_POST['text']!='')
{
$from_lang = 'en';
$to_lang = 'ru';
function str_encode($string){ 
    $encode = array('А'=>'%D0%90', 'Б'=>'%D0%91', 'В'=>'%D0%92', 'Г'=>'%D0%93', 'Д'=>'%D0%94', 'Е'=>'%D0%95', 'Ё'=>'%D0%81', 'Ж'=>'%D0%96', 'З'=>'%D0%97', 'И'=>'%D0%98', 'Й'=>'%D0%99', 'К'=>'%D0%9A', 'Л'=>'%D0%9B', 'М'=>'%D0%9C', 'Н'=>'%D0%9D', 'О'=>'%D0%9E', 'П'=>'%D0%9F', 'Р'=>'%D0%A0', 'С'=>'%D0%A1', 'Т'=>'%D0%A2', 'У'=>'%D0%A3', 'Ф'=>'%D0%A4', 'Х'=>'%D0%A5', 'Ц'=>'%D0%A6', 'Ч'=>'%D0%A7', 'Ш'=>'%D0%A8', 'Щ'=>'%D0%A9', 'Ъ'=>'%D0%AA', 'Ы'=>'%D0%AB', 'Ь'=>'%D0%AC', 'Э'=>'%D0%AD', 'Ю'=>'%D0%AE', 'Я'=>'%D0%AF', 'а'=>'%D0%B0', 'б'=>'%D0%B1', 'в'=>'%D0%B2', 'г'=>'%D0%B3', 'д'=>'%D0%B4', 'е'=>'%D0%B5', 'ё'=>'%D1%91', 'ж'=>'%D0%B6', 'з'=>'%D0%B7', 'и'=>'%D0%B8', 'й'=>'%D0%B9', 'к'=>'%D0%BA', 'л'=>'%D0%BB', 'м'=>'%D0%BC', 'н'=>'%D0%BD', 'о'=>'%D0%BE', 'п'=>'%D0%BF', 'р'=>'%D1%80', 'с'=>'%D1%81', 'т'=>'%D1%82', 'у'=>'%D1%83', 'ф'=>'%D1%84', 'х'=>'%D1%85', 'ц'=>'%D1%86', 'ч'=>'%D1%87', 'ш'=>'%D1%88', 'щ'=>'%D1%89', 'ь'=>'%D1%8C', 'ъ'=>'%D1%8A', 'ы'=>'%D1%8B', 'э'=>'%D1%8D', 'ю'=>'%D1%8E', 'я'=>'%D1%8F', '<'=>'%3C', '>'=>'%3E', '/'=>'%2F', ' '=>'%20', '&'=>'%26', ','=>'%2C', '='=>'%3D', '"'=>'%22', ';'=>'%3B', ':'=>'%3A', '“'=>'%E2%80%9C', '”'=>'%E2%80%9D', '№'=>'%E2%84%96', '«'=>'%C2%AB', '»'=>'%C2%BB', 'І'=>'%D0%86', 'і'=>'%D1%96', 'Ї'=>'%D0%87', 'ї'=>'%D1%97', 'Є'=>'%D0%84', 'є'=>'%D1%94', 'Ґ'=>'%D2%90', 'ґ'=>'%D2%91', '–'=>'%E2%80%93', '•'=>'%E2%80%A2', "\t"=>'%09', '°'=>'%C2%B0', '’'=>'%E2%80%99', '—'=>'%E2%80%94', ' '=>'%20', '§'=>'%C2%A7', '*'=>'%C2%AD', '„'=>'%E2%80%9E'); 
    return str_replace(array_keys($encode), array_values($encode), $string); 
} 
 
function google_translate($text_initial, $from_lang, $to_lang){ 
    //$text = iconv('windows-1251', 'UTF-8', $text_initial); 
    $text = str_encode($text_initial); //можно закомментировать эту и раскомментировать верхнюю строку 
    $url = "http://translate.google.com.ua/translate_t"; 
    $ch = curl_init(); 
    curl_setopt($ch, CURLOPT_URL, $url); 
    curl_setopt($ch, CURLOPT_VERBOSE, 1); 
    curl_setopt($ch, CURLOPT_FAILONERROR, 1); 
    curl_setopt($ch, CURLOPT_RETURNTRANSFER,1); 
    curl_setopt($ch, CURLOPT_TIMEOUT, 3); 
    curl_setopt($ch, CURLOPT_POST, 1); 
    curl_setopt ($ch, CURLOPT_USERAGENT, "Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.0.10) Gecko/2009042523 Ubuntu/8.10 (intrepid) Firefox/3.0.10"); 
    $headers = array( 
        'Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*;q=0.8', 
        'Accept-Language: ru,en-us;q=0.7,en;q=0.3', 
        'Accept-Encoding: deflate', 
        'Accept-Charset: windows-1251,utf-8;q=0.7,*;q=0.7' 
    ); 
    curl_setopt($ch, CURLOPT_HTTPHEADER, $headers); 
    curl_setopt($ch, CURLOPT_POSTFIELDS, "prev=hp&hl=en&js=n&sl=$from_lang&tl=$to_lang&text=$text"); 
    $result = curl_exec($ch); 
    curl_close($ch); 
    if(!$result) 
        return google_translate($text_initial, $from_lang, $to_lang); 
 
    $beg = strpos($result, '<span id=result_box'); 
    $result = substr($result, $beg); 
    $end = strpos($result, '</span></span>'); 
    $result = substr($result, 0, $end); 
    $result = str_replace("<br>", "\n", $result); 
    $result = strip_tags($result); 
 
    return iconv('UTF-8', 'windows-1251', $result); 
} 
echo '<pre>'; 
echo google_translate($text_for_translate, "en", "ru"); 
echo '</pre>'; 
}
else
{
    echo '<form action="NAME_FILE.php" method="post"><input type="text" name="text" size="30" maxlength="999"><br><input type="submit"><form>';
}
?>