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<?php |
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namespace Spatie\WebTinker; |
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use Psy\Shell; |
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use Psy\Configuration; |
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use Psy\ExecutionLoopClosure; |
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use Illuminate\Support\Collection; |
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use Illuminate\Foundation\Application; |
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use Illuminate\Database\Eloquent\Model; |
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use Laravel\Tinker\ClassAliasAutoloader; |
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use Symfony\Component\Console\Output\BufferedOutput; |
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class Tinker |
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{ |
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/** @var \Symfony\Component\Console\Output\BufferedOutput */ |
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protected $output; |
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/** @var \Psy\Shell */ |
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protected $shell; |
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public static function execute(string $phpCode): string |
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{ |
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return(new static())->run($phpCode); |
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} |
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public function __construct() |
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{ |
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$this->output = new BufferedOutput(); |
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$this->shell = $this->createShell($this->output); |
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} |
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public function run(string $phpCode): string |
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{ |
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$phpCode = $this->removeComments($phpCode); |
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$this->shell->addInput($phpCode); |
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$closure = new ExecutionLoopClosure($this->shell); |
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$closure->execute(); |
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return $this->cleanOutput($this->output->fetch()); |
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} |
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protected function createShell(BufferedOutput $output): Shell |
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{ |
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$config = new Configuration([ |
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'updateCheck' => 'never', |
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'configFile' => config('web-tinker.config_file') !== null ? base_path().'/'.config('web-tinker.config_file') : null, |
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]); |
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$config->getPresenter()->addCasters([ |
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Collection::class => 'Laravel\Tinker\TinkerCaster::castCollection', |
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Model::class => 'Laravel\Tinker\TinkerCaster::castModel', |
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Application::class => 'Laravel\Tinker\TinkerCaster::castApplication', |
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]); |
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$shell = new Shell($config); |
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$shell->setOutput($output); |
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$composerClassMap = base_path('vendor/composer/autoload_classmap.php'); |
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if (file_exists($composerClassMap)) { |
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ClassAliasAutoloader::register($shell, $composerClassMap); |
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} |
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return $shell; |
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} |
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public function removeComments(string $code): string |
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{ |
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$tokens = collect(token_get_all("<?php\n".$code.'?>')); |
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return $tokens->reduce(function ($carry, $token) { |
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if (is_string($token)) { |
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return $carry.$token; |
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} |
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$text = $this->ignoreCommentsAndPhpTags($token); |
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return $carry.$text; |
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}, ''); |
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} |
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protected function ignoreCommentsAndPhpTags(array $token) |
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{ |
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[$id, $text] = $token; |
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if ($id === T_COMMENT) { |
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return ''; |
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} |
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if ($id === T_DOC_COMMENT) { |
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return ''; |
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} |
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if ($id === T_OPEN_TAG) { |
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return ''; |
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} |
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if ($id === T_CLOSE_TAG) { |
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return ''; |
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} |
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return $text; |
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} |
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protected function cleanOutput(string $output): string |
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{ |
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$output = preg_replace('/(?s)(<aside.*?<\/aside>)|Exit: Ctrl\+D/ms', '$2', $output); |
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if (config('web-tinker.show_timestamp')) { |
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$output = $this->getTimestamp().$output; |
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} |
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return trim($output); |
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} |
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protected function getTimestamp() |
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{ |
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return '<span class="text-dimmed">'.now().'</span><br>'; |
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} |
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} |
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spatie /
laravel-web-tinker
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This check marks access to variables or properties that have not been declared yet. While PHP has no explicit notion of declaring a variable, accessing it before a value is assigned to it is most likely a bug.