/**
* Compile XE-compatible XML lang files into PHP.
*
* @param string $filename
* @param string $language
* @return string|false
*/
public static function compileXMLtoPHP($filename, $language, $output_filename = null)
{
// Check if the cache file already exists.
if ($output_filename === null) {
$output_filename = \RX_BASEDIR . 'files/cache/lang/' . md5($filename) . '.' . $language . '.php';
if (file_exists($output_filename) && filemtime($output_filename) > filemtime($filename)) {
return $output_filename;
}
}
// Load the XML lang file.
$xml = simplexml_load_string(Storage::read($filename));
if ($xml === false) {
Storage::write($output_filename, '');
return false;
}
// Convert XML to a PHP array.
$lang = array();
self::_toArray($xml, $lang, $language);
unset($xml);
// Save the array as a cache file.
$buff = "<?php\n// {$filename}\n";
foreach ($lang as $key => $value) {
if (is_array($value)) {
foreach ($value as $subkey => $subvalue) {
if (is_array($subvalue)) {
foreach ($subvalue as $subsubkey => $subsubvalue) {
$buff .= '$lang->' . $key . "['{$subkey}']['{$subsubkey}']" . ' = ' . var_export($subsubvalue, true) . ";\n";
}
} else {
$buff .= '$lang->' . $key . "['{$subkey}']" . ' = ' . var_export($subvalue, true) . ";\n";
}
}
} else {
$buff .= '$lang->' . $key . ' = ' . var_export($value, true) . ";\n";
}
}
Storage::write($output_filename, $buff);
return $output_filename;
}
