291 lines
9.8 KiB
Text
291 lines
9.8 KiB
Text
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#!/usr/bin/env php
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<?php
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use Gettext\Languages\Exporter\Exporter;
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use Gettext\Languages\Language;
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// Let's start by imposing that we don't accept any error or warning.
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// This is a really life-saving approach.
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error_reporting(E_ALL);
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set_error_handler(function ($errno, $errstr, $errfile, $errline) {
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fwrite(STDERR, "{$errstr}\nFile: {$errfile}\nLine: {$errline}\nCode: {$errno}\n");
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exit(5);
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});
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require_once dirname(__DIR__) . '/src/autoloader.php';
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/**
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* Helper class to handle command line options.
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*/
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class Enviro
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{
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/**
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* Shall the output contain only US-ASCII characters?
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*
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* @var bool
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*/
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public static $outputUSAscii;
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/**
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* The output format.
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*
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* @var string
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*/
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public static $outputFormat;
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/**
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* Output file name.
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*
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* @var string
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*/
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public static $outputFilename;
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/**
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* List of wanted language IDs; it not set: all languages will be returned.
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*
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* @var array|null
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*/
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public static $languages;
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/**
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* Reduce the language list to the minimum common denominator.
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*
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* @var bool
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*/
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public static $reduce;
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/**
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* Omit extra parenthesis in plural rule formulas.
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*
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* @var bool
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*/
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public static $noExtraParenthesis;
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/**
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* Parse the command line options.
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*/
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public static function initialize()
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{
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global $argv;
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self::$outputUSAscii = false;
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self::$outputFormat = null;
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self::$outputFilename = null;
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self::$languages = null;
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self::$reduce = null;
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self::$noExtraParenthesis = false;
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$exporters = Exporter::getExporters();
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if (isset($argv) && is_array($argv)) {
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foreach ($argv as $argi => $arg) {
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if ($argi === 0) {
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continue;
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}
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if (is_string($arg)) {
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$argLC = trim(strtolower($arg));
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switch ($argLC) {
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case '-h':
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case '--help':
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self::showSyntax();
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exit(0);
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case '--us-ascii':
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self::$outputUSAscii = true;
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break;
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case '--reduce=yes':
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self::$reduce = true;
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break;
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case '--reduce=no':
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self::$reduce = false;
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break;
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case '--parenthesis=yes':
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self::$noExtraParenthesis = false;
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break;
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case '--parenthesis=no':
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self::$noExtraParenthesis = true;
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break;
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default:
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if (preg_match('/^--output=.+$/', $argLC)) {
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if (isset(self::$outputFilename)) {
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fwrite(STDERR, "The output file name has been specified more than once!\n");
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self::showSyntax();
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exit(3);
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}
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list(, self::$outputFilename) = explode('=', $arg, 2);
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self::$outputFilename = trim(self::$outputFilename);
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} elseif (preg_match('/^--languages?=.+$/', $argLC)) {
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list(, $s) = explode('=', $arg, 2);
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$list = explode(',', $s);
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if (is_array(self::$languages)) {
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self::$languages = array_merge(self::$languages, $list);
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} else {
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self::$languages = $list;
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}
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} elseif (isset($exporters[$argLC])) {
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if (isset(self::$outputFormat)) {
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fwrite(STDERR, "The output format has been specified more than once!\n");
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self::showSyntax();
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exit(3);
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}
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self::$outputFormat = $argLC;
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} else {
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fwrite(STDERR, "Unknown option: {$arg}\n");
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self::showSyntax();
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exit(2);
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}
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break;
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}
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}
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}
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}
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if (!isset(self::$outputFormat)) {
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self::showSyntax();
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exit(1);
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}
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if (isset(self::$languages)) {
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self::$languages = array_values(array_unique(self::$languages));
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}
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if (!isset(self::$reduce)) {
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self::$reduce = isset(self::$languages) ? false : true;
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}
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}
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/**
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* Write out the syntax.
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*/
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public static function showSyntax()
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{
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$basename = basename(__FILE__);
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$exporters = array_keys(Exporter::getExporters(true));
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$exporterList = implode('|', $exporters);
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fwrite(
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STDERR,
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<<<EOT
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Syntax:
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{$basename} [-h|--help] [--us-ascii] [--languages=<LanguageId>[,<LanguageId>,...]] [--reduce=yes|no] [--parenthesis=yes|no] [--output=<file name>] <{$exporterList}>
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Where:
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--help
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show this help message.
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--us-ascii
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if specified, the output will contain only US-ASCII characters.
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--languages(or --language)
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export only the specified language codes.
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Separate languages with commas; you can also use this argument
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more than once; it's case insensitive and accepts both '_' and
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'-' as locale chunks separator (eg we accept 'it_IT' as well as
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'it-it').
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--reduce
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if set to yes the output won't contain languages with the same
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base language and rules.
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For instance nl_BE ('Flemish') will be omitted because it's the
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same as nl ('Dutch').
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Defaults to 'no' if --languages is specified, to 'yes' otherwise.
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--parenthesis
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if set to no, extra parenthesis will be omitted in generated
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plural rules formulas.
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Those extra parenthesis are needed to create a PHP-compatible
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formula.
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Defaults to 'yes'
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--output
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if specified, the output will be saved to <file name>. If not
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specified we'll output to standard output.
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Output formats
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EOT
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);
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$len = max(array_map('strlen', $exporters));
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foreach ($exporters as $exporter) {
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fwrite(STDERR, ' ' . str_pad($exporter, $len) . ': ' . Exporter::getExporterDescription($exporter) . "\n");
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}
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fwrite(STDERR, "\n");
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}
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/**
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* Reduce a language list to the minimum common denominator.
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*
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* @param Language[] $languages
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*
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* @return Language[]
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*/
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public static function reduce($languages)
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{
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for ($numChunks = 3; $numChunks >= 2; $numChunks--) {
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$filtered = array();
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foreach ($languages as $language) {
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$chunks = explode('_', $language->id);
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$compatibleFound = false;
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if ($numChunks === count($chunks)) {
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$categoriesHash = serialize($language->categories);
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$otherIds = array();
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$otherIds[] = $chunks[0];
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for ($k = 2; $k < $numChunks; $k++) {
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$otherIds[] = $chunks[0] . '_' . $chunks[$numChunks - 1];
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}
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foreach ($languages as $check) {
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foreach ($otherIds as $otherId) {
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if ($check->id === $otherId && $check->formula === $language->formula && $categoriesHash === serialize($check->categories)) {
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$compatibleFound = true;
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break;
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}
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}
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if ($compatibleFound === true) {
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break;
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}
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}
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}
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if (!$compatibleFound) {
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$filtered[] = $language;
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}
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}
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$languages = $filtered;
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}
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return $languages;
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}
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}
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// Parse the command line options
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Enviro::initialize();
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try {
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if (isset(Enviro::$languages)) {
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$languages = array();
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foreach (Enviro::$languages as $languageId) {
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$language = Language::getById($languageId);
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if (!isset($language)) {
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throw new Exception("Unable to find the language with id '{$languageId}'");
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}
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$languages[] = $language;
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}
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} else {
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$languages = Language::getAll();
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}
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if (Enviro::$reduce) {
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$languages = Enviro::reduce($languages);
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}
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if (Enviro::$noExtraParenthesis) {
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$languages = array_map(
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function (Language $language) {
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$language->formula = $language->buildFormula(true);
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return $language;
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},
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$languages
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);
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}
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if (isset(Enviro::$outputFilename)) {
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echo call_user_func(array(Exporter::getExporterClassName(Enviro::$outputFormat), 'toFile'), $languages, Enviro::$outputFilename, array('us-ascii' => Enviro::$outputUSAscii));
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} else {
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echo call_user_func(array(Exporter::getExporterClassName(Enviro::$outputFormat), 'toString'), $languages, array('us-ascii' => Enviro::$outputUSAscii));
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}
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} catch (Exception $x) {
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fwrite(STDERR, $x->getMessage() . "\n");
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fwrite(STDERR, "Trace:\n");
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fwrite(STDERR, $x->getTraceAsString() . "\n");
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exit(4);
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}
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exit(0);
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