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lyrixxlyrixx
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[FrameworkBundle][Monolog] Added a new way to follow logs
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‎src/Symfony/Bridge/Monolog/Formatter/VarDumperFormatter.php

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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <[email protected]>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Bridge\Monolog\Formatter;
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use Monolog\Formatter\FormatterInterface;
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use Symfony\Component\VarDumper\Cloner\VarCloner;
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/**
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* @author Grégoire Pineau <[email protected]>
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*/
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class VarDumperFormatter implements FormatterInterface
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{
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private $cloner;
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public function __construct(VarCloner $cloner = null)
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{
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$this->cloner = $cloner ?: new VarCloner();
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}
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public function format(array $record)
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{
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$record['context'] = $this->cloner->cloneVar($record['context']);
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$record['extra'] = $this->cloner->cloneVar($record['extra']);
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return $record;
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}
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public function formatBatch(array $records)
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{
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foreach ($records as $k => $record) {
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$record[$k] = $this->format($record);
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}
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return $records;
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}
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}

‎src/Symfony/Bridge/Monolog/Handler/ServerLogHandler.php

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<?php
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namespace Symfony\Bridge\Monolog\Handler;
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use Monolog\Handler\AbstractProcessingHandler;
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use Monolog\Logger;
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use Monolog\Processor\UidProcessor;
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use Symfony\Bridge\Monolog\Formatter\VarDumperFormatter;
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class ServerLogHandler extends AbstractProcessingHandler
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{
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protected $formatter;
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private $connectionString;
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public function __construct($connectionString, $level = Logger::DEBUG, $bubble = true)
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{
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parent::__construct($level, $bubble);
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$this->connectionString = $connectionString;
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$this->formatter = new VarDumperFormatter();
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$this->pushProcessor(new UidProcessor());
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}
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public function handle(array $record)
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{
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if (!$this->isHandling($record)) {
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return false;
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}
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$record = $this->processRecord($record);
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$this->write($record);
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return false === $this->bubble;
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}
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protected function write(array $record)
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{
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set_error_handler([$this, 'nullErrorHandler']);
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$socket = fsockopen($this->connectionString, -1, $errno, $errstr, 1);
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restore_error_handler();
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if (false === $socket) {
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return;
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}
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$keys = ['id', 'uid', 'uuid', 'log_uuid'];
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$logId = null;
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foreach ($keys as $key) {
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if (isset($record['extra'][$key])) {
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$logId = $record['extra'][$key];
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}
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}
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$formatted = $this->getFormatter()->format($record);
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$formatted['log_id'] = $logId;
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$formatted = base64_encode(serialize($formatted));
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fwrite($socket, $formatted);
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fclose($socket);
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}
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private function nullErrorHandler()
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{
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}
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}

‎src/Symfony/Bundle/FrameworkBundle/Command/ServerLogCommand.php

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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <[email protected]>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Bundle\FrameworkBundle\Command;
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use Symfony\Component\Console\Command\Command;
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use Symfony\Component\Console\Input\InputInterface;
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use Symfony\Component\Console\Input\InputOption;
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use Symfony\Component\Console\Output\OutputInterface;
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use Symfony\Component\ExpressionLanguage\ExpressionLanguage;
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use Symfony\Component\VarDumper\Cloner\Data;
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use Symfony\Component\VarDumper\Dumper\CliDumper;
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/**
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* @author Grégoire Pineau <[email protected]>
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*/
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class ServerLogCommand extends Command
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{
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private $dumper;
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private $output;
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private static $levelColorMap = [
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100 => 'fg=white',
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200 => 'fg=green',
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250 => 'fg=blue',
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300 => 'fg=cyan',
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400 => 'fg=yellow',
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500 => 'fg=red',
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550 => 'fg=red',
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600 => 'fg=white;bg=red',
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];
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private static $bgColor = [
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'black',
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'red',
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'green',
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'yellow',
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'blue',
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'magenta',
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'cyan',
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'white',
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];
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protected function configure()
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{
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$this
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->setName('server:log')
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->setDescription('Display log')
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->addOption('address', null, InputOption::VALUE_REQUIRED, 'The server address', '0:9911')
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->addOption('date-format', null, InputOption::VALUE_REQUIRED, 'The date format', 'H:i:s')
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->addOption('format', null, InputOption::VALUE_REQUIRED, 'The line format', '%s <%s>%-9s</> <options=bold>%-8.8s</> %s')
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->addOption('display-context', null, InputOption::VALUE_NONE, 'Display the context')
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->addOption('display-extra', null, InputOption::VALUE_NONE, 'Display the extra')
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->addOption('filter', null, InputOption::VALUE_REQUIRED, 'An expression to filter log. Example: record[\'level\'] > 200 or record[\'channel\'] in [\'app\', \'doctrine\']"')
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;
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}
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protected function initialize(InputInterface $input, OutputInterface $output)
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{
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$this->dumper = new CliDumper();
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$this->dumper->setOutput($this->output = fopen('php://memory', 'r+b'));
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$this->el = new ExpressionLanguage();
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}
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protected function execute(InputInterface $input, OutputInterface $output)
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{
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$logs = $this->getLogs($input);
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$filter = $input->getOption('filter');
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foreach ($logs as $message) {
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$record = unserialize(base64_decode($message));
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// Impossible to decode the message, give up.
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if (false === $record) {
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continue;
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}
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if ($filter && !$this->el->evaluate($filter, ['record' => $record])) {
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continue;
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}
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$this->displayLog($input, $output, $record);
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}
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}
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private function getLogs(InputInterface $input)
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{
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$socket = stream_socket_server($input->getOption('address'), $errno, $errstr);
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if (!$socket) {
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throw new \RuntimeException(sprintf('Impossible to start the server: "%s (%s)".', $errstr, $errno));
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}
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while ($client = stream_socket_accept($socket, -1)) {
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$message = '';
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while (false !== ($buffer = fgets($client, 65535))) {
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$message .= $buffer;
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}
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// Impossible to read the whole message, give up.
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if (!feof($client)) {
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fclose($client);
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continue;
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}
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fclose($client);
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yield $message;
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}
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}
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private function displayLog(InputInterface $input, OutputInterface $output, array $record)
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{
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$record = $this->replacePlaceHolder($output, $record);
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$format = $input->getOption('format');
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$date = $record['datetime']->format($input->getOption('date-format'));
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$logBlock = '';
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if ($record['log_id']) {
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$clientId = unpack('H*', $record['log_id'])[1];
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$logBlock = sprintf('<bg=%s> </>', self::$bgColor[$clientId % 8]);
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}
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$levelColor = self::$levelColorMap[$record['level']];
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$message = $logBlock.sprintf($format, $date, $levelColor, $record['level_name'], $record['channel'], $record['message']);
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$output->writeln($message);
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if ($input->getOption('display-context') && $record['context']->getRawData()[0][0]) {
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$output->writeln(sprintf('%sContext %s', $logBlock, $this->dumpData($output, $record['context'])));
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}
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if ($input->getOption('display-extra') && $record['extra']->getRawData()[0][0]) {
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$output->writeln(sprintf('%sExtra %s', $logBlock, $this->dumpData($output, $record['extra'])));
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}
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}
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private function replacePlaceHolder(OutputInterface $output, array $record)
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{
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$message = $record['message'];
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if (false === strpos($message, '{')) {
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return $record;
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}
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$context = $record['context'];
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$replacements = array();
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foreach ($context->getRawData()[1] as $k => $v) {
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$replacements['"{'.$k.'}"'] = sprintf('<comment>%s</>', $this->dumpData($output, $context->seek($k), false));
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}
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$record['message'] = strtr($message, $replacements);
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return $record;
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}
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public function dumpData(OutputInterface $output, Data $data, $colors = true, $maxDepth = 0)
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{
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if ($output->isDecorated()) {
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$this->dumper->setColors($colors);
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}
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$this->dumper->dump($data);
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$dump = stream_get_contents($this->output, -1, 0);
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rewind($this->output);
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ftruncate($this->output, 0);
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return rtrim($dump);
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}
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}

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