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<?php |
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namespace Redmoon\TinkerServer\Console; |
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use Clue\React\Stdio\Stdio; |
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use Illuminate\Console\Command; |
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use Psy\Configuration; |
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use Psy\Shell; |
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use React\EventLoop\Factory; |
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use Symfony\Component\Console\Output\BufferedOutput; |
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class TinkerServerCommand extends Command |
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{ |
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protected $signature = 'tinker-server'; |
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/** @var BufferedOutput */ |
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protected $shellOutput; |
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public function handle() |
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{ |
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$shellOutput = new BufferedOutput(); |
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$loop = Factory::create(); |
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$stdio = new Stdio($loop); |
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$shell = $this->getPsyShell(); |
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$stdio->getReadline()->setPrompt('>> '); |
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$stdio->on('data', function ($line) use ($stdio, $shell) { |
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$line = rtrim($line, "\r\n"); |
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$shell->addCode($line); |
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$closure = new ExecutionClosure($shell); |
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$closure->execute(); |
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$stdio->write($this->shellOutput->fetch()); |
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}); |
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$loop->run(); |
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} |
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/** |
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* Get an instance of PsyShell |
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* |
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* @return Psy\Shell |
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*/ |
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protected function getPsyShell() : Shell |
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{ |
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$config = new Configuration([ |
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'updateCheck' => 'never' |
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]); |
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$config->getPresenter()->addCasters( |
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$this->getCasters() |
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); |
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$shell = new Shell($config); |
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$shell->setOutput($this->shellOutput); |
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return $shell; |
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} |
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/** |
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* Get an array of Laravel tailored casters. |
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* |
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* @return array |
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*/ |
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protected function getCasters() : array |
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{ |
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$casters = [ |
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'Illuminate\Support\Collection' => 'Laravel\Tinker\TinkerCaster::castCollection', |
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]; |
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if (class_exists('Illuminate\Database\Eloquent\Model')) { |
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$casters['Illuminate\Database\Eloquent\Model'] = 'Laravel\Tinker\TinkerCaster::castModel'; |
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} |
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if (class_exists('Illuminate\Foundation\Application')) { |
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$casters['Illuminate\Foundation\Application'] = 'Laravel\Tinker\TinkerCaster::castApplication'; |
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} |
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return $casters; |
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} |
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} |
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This check looks for variable assignements that are either overwritten by other assignments or where the variable is not used subsequently.
Both the
$myVar
assignment in line 1 and the$higher
assignment in line 2 are dead. The first because$myVar
is never used and the second because$higher
is always overwritten for every possible time line.