avail_lang = array('en', 'da', 'pl');
$this->setLanguage($this->getBestLanguage());
}
// Based on the array $avail_lang of available languages, and the browsers Accept-Language header, this function will return the language code for the best language.
function getBestLanguage()
{
$accept_lang = explode(', ', $GLOBALS['HTTP_ACCEPT_LANGUAGE']);
while (list($key, $lang) = each($accept_lang)) {
if (in_array($lang, $this->avail_lang)) {
return $lang;
}
}
return reset($this->avail_lang);
}
// Switches to another language by constructing a new output-object.
function setLanguage($new_language = '')
{
switch ($new_language) {
case 'en':
$this->output = new English_Output();
break;
case 'da':
$this->output = new Danish_Output();
break;
case 'pl':
$this->output = new Polish_Output();
break;
default:
$this->setLanguage($this->getBestLanguage);
break;
}
}
}
// Base-class for all output-classes.
class Basic_Output
{
var $strings;
function _($string)
{
if (isset($this->strings[$string])) {
return $this->strings[$string];
} else {
return $string;
}
}
function gettext($string)
{
return $this->_($string);
}
// A generic outNumFiles() function.
function outNumFiles($count)
{
if ($count == 0) {
return $this->gettext("No files.");
} elseif ($count == 1) {
return $this->gettext("1 file.");
} else {
return sprintf($this->gettext("%s files."), $count);
}
}
// Returns the characterset for the translation.
function getCharset()
{
return $this->strings['charset'];
}
}
class English_Output extends Basic_Output
{
// The constructor initializes the $strings array with the correct
// characterset. The other strings are in basic_output.
function English_Output()
{
$this->strings = array(
'charset' => 'ISO-8859-1');
}
}
class Danish_Output extends Basic_Output
{
function Danish_Output()
{
$this->strings = array(
'No files.' => 'Ingen filer.',
'1 file.' => '1 fil.',
'%s files.' => '%s filer.',
'charset' => 'ISO-8859-1');
}
}
class Polish_Output extends Basic_Output
{
function Polish_Output()
{
$this->strings = array(
'charset' => 'ISO-8859-2');
}
function outNumFiles($count)
{
if ($count == 0) {
return "Nie ma plików.";
} elseif ($count == 1) {
return "1 plik.";
} elseif ($count <= 4) {
return "$count pliki.";
} elseif ($count <= 21) {
return "$count plików.";
} else {
$last_digit = substr($count, -1);
if ($last_digit >= 2 && $last_digit <= 4) {
return "$count pliki.";
} else {
return "$count plików.";
}
}
}
}
$obj = new App();
header('Content-Type: text/html; charset=' . $obj->output->getCharset());
?>
My App
" . $obj->output->outNumFiles(7) . "\n");
?>