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‎.gitignore‎

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build
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composer.lock
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vendor
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phpcs.xml
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phpunit.xml

‎composer.json‎

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{
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"name": "genasyst/php-compressor",
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"description": "PHP code compressor or obfuscator",
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"keywords": ["php", "compressor", "obfuscator"],
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"type": "library",
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"license": "MIT",
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"homepage": "https://github.com/genasyst/phpCompressor",
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"authors": [
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{
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"name": "Gennadiy Ryzhov",
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"email": "support@genasyst.ru",
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"homepage": "http://genasyst.ru",
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"role": "Developer"
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}
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],
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"require": {
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"php": ">=5.4",
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"nikic/php-parser": "v3.0.0"
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},
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"autoload": {
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"psr-4": {
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"Genasyst\\phpCompressor\\": "src"
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}
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}
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}

‎src/Autoloader.php‎

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<?php
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namespace Genasyst\phpCompressor;
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class Autoloader
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{
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protected static $namespace = 'Genasyst\\phpCompressor';
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private static $registered = false;
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static public function register($prepend = false)
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{
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if (self::$registered === true) {
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return;
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}
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spl_autoload_register(array(__CLASS__, 'autoload'), true, $prepend);
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self::$registered = true;
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}
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static public function autoload($class)
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{
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if (0 === strpos($class, self::$namespace . '\\')) {
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$fileName = __DIR__ . strtr(substr($class, strlen(self::$namespace)), '\\', '/') . '.php';
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if (file_exists($fileName)) {
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require_once $fileName;
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} else {
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echo 'File not found' . $fileName;
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}
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}
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}
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}

‎src/Compressor.php‎

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<?php
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namespace Genasyst\phpCompressor;
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use Genasyst\phpCompressor\PhpParser;
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use Genasyst\phpCompressor\NamesRegistry;
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use Genasyst\phpCompressor\PhpParser\Visitors\Traverser\GlobalVisitor;
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use PhpParser\NodeTraverser;
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use PhpParser\ParserFactory;
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use PhpParser\PrettyPrinter;
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use PhpParser\Error;
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class Compressor
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{
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const COMPRESS_TYPE_LOCAL_VARIABLES = 'local_variables';
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const COMPRESS_TYPE_OBJECT_VARIABLES = 'object_variables';
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const COMPRESS_TYPE_OBJECT_METHODS = 'object_methods';
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protected $content = '';
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protected $whitespaces = false;
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protected $comments = false;
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protected $compress_types = [
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'local_variables' => false,
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'object_variables' => false,
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'object_methods' => false,
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];
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protected $exclude_names = [
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'local_variables' => [
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'this' => 'this',/** use in Object method scope **/
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'GLOBALS' => 'GLOBALS',
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'_GET' => '_GET',
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'_POST' => '_POST',
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'_FILES' => '_FILES',
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'_COOKIE' => '_COOKIE',
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'_SESSION' => '_SESSION',
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'_SERVER' => '_SERVER',
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'http_response_header' => 'http_response_header',
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'php_errormsg' => 'php_errormsg',
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],
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'object_variables' => [
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'this' => 'this',
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],
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'object_methods' => [
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//Magic
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'this' => 'this',
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'__construct' => '__construct',
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'__destruct' => '__destruct',
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'__call' => '__call',
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'__callStatic' => '__callStatic',
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'__get' => '__get',
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'__set' => '__set',
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'__isset' => '__isset',
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'__unset' => '__unset',
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'__sleep' => '__sleep',
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'__wakeup' => '__wakeup',
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'__toString' => '__toString',
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'__invoke' => '__invoke',
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'__set_state' => '__set_state',
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'__clone' => '__clone',
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'__debugInfo' => '__debugInfo',
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// only php 7
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'do' => 'do',
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'as' => 'as',
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]
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];
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/**
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* @var NodeTraverser
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*/
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protected $traverser = null;
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public function __construct($data = [])
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{
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}
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public function compress()
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{
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try {
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$statements = $this->getStatements();
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$traverser = $this->getTraverser();
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$traverser->addVisitor(new GlobalVisitor($this->getCompressSettings()));
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$new_statements = $traverser->traverse($statements);
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$this->content = $this->getCompiller()->prettyPrint($new_statements);
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} catch (Error $e) {
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echo 'Parse Error: ', $e->getMessage();
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}
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}
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public function setExcludeNames($type = '', array $exclude_names) {
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if(isset($this->compress_types[$type])) {
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$this->exclude_names[$type] += $exclude_names;
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}
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}
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protected function getCompressSettings()
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{
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$settings = [];
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foreach ($this->compress_types as $type => $enable) {
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$settings[$type] = [
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'enable' => $enable,
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'exclude_names' => $this->exclude_names[$type]
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];
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}
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return $settings;
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}
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public function getContent()
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{
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return $this->content;
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}
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public function getStatements($perfer = ParserFactory::PREFER_PHP5)
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{
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$parser = (new ParserFactory)->create($perfer);
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return $parser->parse($this->content);
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}
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/**
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* @return PrettyPrinter\Standard
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*/
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protected function getCompiller()
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{
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return new PrettyPrinter\Standard;
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}
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protected function getTraverser()
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{
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return new \PhpParser\NodeTraverser();
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}
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public function removeWhitespaces()
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{
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$this->whitespaces = true;
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}
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public function removeComments()
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{
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$this->comments = true;
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}
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/**********************
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* settings
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**********************/
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public function compressLocalVariablesName()
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{
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$this->compress_types['local_variables'] = true;
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}
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public function compressObjectsVariablesName()
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{
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$this->compress_types['object_variables'] = true;
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}
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public function compressObjectsMethodsName()
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{
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$this->compress_types['object_methods'] = true;
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}
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public function setContentByFile($file)
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{
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if (false === file_exists($file)) {
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throw new \Exception('Not found file '.$file);
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}
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return $this->content = file_get_contents($file);
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}
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public function setContentByCode($code)
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{
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$this->content = $code;
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}
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public function parseBlock($blockCode)
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{
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$this->content = '<?php ' . $blockCode;
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}
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}

‎src/NamesCompressor/NamesCompressor.php‎

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<?php
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namespace Genasyst\phpCompressor\NamesCompressor;
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use Genasyst\phpCompressor\NamesRegistry\NamesRegistry;
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use Genasyst\phpCompressor\Utils\StringGenerator;
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class NamesCompressor
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{
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protected $registry = null;
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protected $data = [];
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public function __construct(NamesRegistry $registry)
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{
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$this->init($registry);
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}
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protected function init(NamesRegistry $registry)
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{
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$names = $registry->getAll();
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arsort($names);
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$generator = new StringGenerator();
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$short_names = $generator->range('a', 'zzzzz', count($names), $registry->getExcludeNames());
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$this->data = array_combine(array_keys($names), $short_names);
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}
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public function getShortName($name)
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{
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return $this->data[$name];
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}
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}

‎src/NamesRegistry/ClassVariables.php‎

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<?php
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namespace Genasyst\phpCompressor\NamesRegistry;
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class ClassVariables
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{
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protected static $instance;
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protected static $data = [];
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protected $class = '';
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public function __construct($class)
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{
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$this->class = $class;
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}
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public function set($name)
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{
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if ($this->has($name)) {
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static::$data[$this->class][$name]++;
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} else {
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static::$data[$this->class][$name] = 1;
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}
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}
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protected function hasClass($class)
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{
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return array_key_exists($class, static::$data);
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}
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public function has($name)
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{
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return ($this->hasClass($this->class) && array_key_exists($name, static::$data[$this->class][$name]));
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}
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public function get($name)
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{
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if ($this->has($name)) {
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return static::$data[$this->class][$name];
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}
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return 0;
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}
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public function getAll($class = null)
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{
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if ($class === false) {
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return static::$data;
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}
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if ($class === null) {
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return $this->hasClass($this->class) ?
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static::$data[$this->class] : [];
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}
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return $this->hasClass($class) ?
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static::$data[$class] : [];
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}
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}

‎src/NamesRegistry/Constants.php‎

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<?php
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namespace Genasyst\phpCompressor\NamesRegistry;
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class Constants extends NamesRegistry
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{
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protected static $instance;
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}

‎src/NamesRegistry/Functions.php‎

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<?php
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namespace Genasyst\phpCompressor\NamesRegistry;
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class Functions extends NamesRegistry
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{
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protected static $instance;
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}

‎src/NamesRegistry/LocalVariables.php‎

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<?php
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namespace Genasyst\phpCompressor\NamesRegistry;
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class LocalVariables extends NamesRegistry
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{
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protected static $instance;
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protected $exclude_names = [
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'this' => 'this',
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'GLOBALS' => 'GLOBALS',
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'_GET' => '_GET',
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'_POST' => '_POST',
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'_FILES' => '_FILES',
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'_COOKIE' => '_COOKIE',
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'_SESSION' => '_SESSION',
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'_SERVER' => '_SERVER',
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'http_response_header' => 'http_response_header',
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'php_errormsg' => 'php_errormsg',
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];
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}

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