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<?php |
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namespace PHPDaemon\Clients\Valve; |
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use PHPDaemon\Network\ClientConnection; |
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use PHPDaemon\Utils\Binary; |
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use PHPDaemon\Utils\Encoding; |
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/** |
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* @package NetworkClients |
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* @subpackage HLClient |
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* @author Vasily Zorin <[email protected]> |
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*/ |
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class Connection extends ClientConnection |
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{ |
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/** |
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* @var integer Timeout |
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*/ |
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public $timeout = 1; |
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/** |
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* Sends a request of type 'players' |
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* @param callable $cb Callback |
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* @callback $cb ( ) |
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* @return void |
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*/ |
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View Code Duplication |
public function requestPlayers($cb) |
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{ |
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$this->request('challenge', null, function ($conn, $result) use ($cb) { |
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if (is_array($result)) { |
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$cb($conn, $result); |
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return; |
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} |
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$conn->request('players', $result, $cb); |
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}); |
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} |
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/** |
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* Sends a request of type 'info' |
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* @param callable $cb Callback |
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* @callback $cb ( ) |
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* @return void |
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*/ |
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public function requestInfo($cb) |
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{ |
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$this->request('info', null, $cb); |
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} |
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/** |
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* Sends a request |
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* @param string $type Type of request |
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* @param string $data Data |
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* @param callable $cb Callback |
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* @callback $cb ( ) |
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* @return void |
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*/ |
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public function request($type, $data = null, $cb = null) |
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{ |
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$packet = "\xFF\xFF\xFF\xFF"; |
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if ($type === 'ping') { |
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$packet .= Pool::A2A_PING; |
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} elseif ($type === 'challenge') { |
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//$packet .= ValveClient::A2S_SERVERQUERY_GETCHALLENGE; |
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$packet .= Pool::A2S_PLAYER . "\xFF\xFF\xFF\xFF"; |
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} elseif ($type === 'info') { |
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$packet .= Pool::A2S_INFO . "Source Engine Query\x00"; |
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//"\xFF\xFF\xFF\xFFdetails\x00" |
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} elseif ($type === 'players') { |
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if ($data === null) { |
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$data = "\xFF\xFF\xFF\xFF"; |
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} |
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$packet .= Pool::A2S_PLAYER . $data; |
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} else { |
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return null; |
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} |
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$this->onResponse->push($cb); |
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$this->setFree(false); |
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//Daemon::log('packet: '.Debug::exportBytes($packet, true)); |
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$this->write($packet); |
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} |
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/** |
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* Called when new data received |
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* @return void |
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*/ |
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protected function onRead() |
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{ |
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start: |
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if ($this->getInputLength() < 5) { |
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return; |
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} |
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/* @TODO: refactoring Binary::* to support direct buffer calls */ |
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$pct = $this->read(4096); |
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$h = Binary::getDWord($pct); |
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if ($h !== 0xFFFFFFFF) { |
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$this->finish(); |
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return; |
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} |
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$type = Binary::getChar($pct); |
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if (($type === Pool::S2A_INFO) || ($type === Pool::S2A_INFO_SOURCE)) { |
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$result = self::parseInfo($pct, $type); |
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} elseif ($type === Pool::S2A_PLAYER) { |
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$result = self::parsePlayers($pct); |
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} elseif ($type === Pool::S2A_SERVERQUERY_GETCHALLENGE) { |
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$result = mb_orig_substr($pct, 0, 4); |
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$pct = mb_orig_substr($pct, 5); |
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} elseif ($type === Pool::S2A_PONG) { |
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$result = true; |
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} else { |
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$result = null; |
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} |
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$this->onResponse->executeOne($this, $result); |
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$this->checkFree(); |
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goto start; |
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} |
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/** |
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* Parses response to 'players' command into structure |
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* @param string &$st Data |
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* @return array Structure |
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*/ |
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public static function parsePlayers(&$st) |
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{ |
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$playersn = Binary::getByte($st); |
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$players = []; |
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for ($i = 1; $i < $playersn; ++$i) { |
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$n = Binary::getByte($st); |
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$name = Binary::getString($st); |
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$score = Binary::getDWord($st, true); |
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if (mb_orig_strlen($st) === 0) { |
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break; |
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} |
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$u = unpack('f', mb_orig_substr($st, 0, 4)); |
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$st = mb_orig_substr($st, 4); |
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$seconds = $u[1]; |
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if ($seconds === -1) { |
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continue; |
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} |
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$players[] = [ |
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'name' => Encoding::toUTF8($name), |
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'score' => $score, |
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'seconds' => $seconds, |
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'joinedts' => microtime(true) - $seconds, |
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'spm' => $score / ($seconds / 60), |
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]; |
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} |
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return $players; |
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} |
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/** |
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* Parses response to 'info' command into structure |
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* @param string &$st Data |
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* @param string $type Type of request |
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* @return array Structure |
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*/ |
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public static function parseInfo(&$st, $type) |
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{ |
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$info = []; |
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if ($type === Pool::S2A_INFO) { |
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$info['proto'] = Binary::getByte($st); |
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$info['hostname'] = Binary::getString($st); |
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$info['map'] = Binary::getString($st); |
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$info['gamedir'] = Binary::getString($st); |
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$info['gamedescr'] = Binary::getString($st); |
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$info['steamid'] = Binary::getWord($st); |
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$info['playersnum'] = Binary::getByte($st); |
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$info['playersmax'] = Binary::getByte($st); |
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$info['botcount'] = Binary::getByte($st); |
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$info['servertype'] = Binary::getChar($st); |
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$info['serveros'] = Binary::getChar($st); |
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$info['passworded'] = Binary::getByte($st); |
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$info['secure'] = Binary::getByte($st); |
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} elseif ($type === Pool::S2A_INFO_SOURCE) { |
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$info['srvaddress'] = Binary::getString($st); |
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$info['hostname'] = Binary::getString($st); |
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$info['map'] = Binary::getString($st); |
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$info['gamedir'] = Binary::getString($st); |
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$info['gamedescr'] = Binary::getString($st); |
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$info['playersnum'] = Binary::getByte($st); |
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$info['playersmax'] = Binary::getByte($st); |
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$info['proto'] = Binary::getByte($st); |
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$info['servertype'] = Binary::getChar($st); |
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$info['serveros'] = Binary::getChar($st); |
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$info['passworded'] = Binary::getByte($st); |
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$info['modded'] = Binary::getByte($st); |
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if ($info['modded']) { |
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$info['mod_website'] = Binary::getString($st); |
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$info['mod_downloadserver'] = Binary::getString($st); |
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$info['mod_unused'] = Binary::getString($st); |
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$info['mod_version'] = Binary::getDWord($st, true); |
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$info['mod_size'] = Binary::getDWord($st); |
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$info['mod_serverside'] = Binary::getByte($st); |
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$info['mod_customdll'] = Binary::getByte($st); |
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} |
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$info['secure'] = Binary::getByte($st); |
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$info['botsnum'] = Binary::getByte($st); |
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} |
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foreach ($info as &$val) { |
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if (is_string($val)) { |
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$val = Encoding::toUTF8($val); |
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} |
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} |
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return $info; |
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} |
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} |
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Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation.
You can also find more detailed suggestions in the “Code” section of your repository.