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<?php |
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namespace PhpSchool\LearnYouPhp\Exercise; |
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use Faker\Generator; |
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use PhpSchool\PhpWorkshop\Check\FunctionRequirementsCheck; |
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use PhpSchool\PhpWorkshop\Exercise\AbstractExercise; |
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use PhpSchool\PhpWorkshop\Exercise\CliExercise; |
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use PhpSchool\PhpWorkshop\Exercise\ExerciseInterface; |
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use PhpSchool\PhpWorkshop\Exercise\ExerciseType; |
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use PhpSchool\PhpWorkshop\Exercise\TemporaryDirectoryTrait; |
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use PhpSchool\PhpWorkshop\ExerciseCheck\FunctionRequirementsExerciseCheck; |
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use PhpSchool\PhpWorkshop\ExerciseCheck\StdOutExerciseCheck; |
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use PhpSchool\PhpWorkshop\ExerciseDispatcher; |
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use Symfony\Component\Filesystem\Filesystem; |
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/** |
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* Class MyFirstIo |
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* @package PhpSchool\LearnYouPhp\Exercise |
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* @author Aydin Hassan <[email protected]> |
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*/ |
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class MyFirstIo extends AbstractExercise implements |
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ExerciseInterface, |
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CliExercise, |
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FunctionRequirementsExerciseCheck |
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{ |
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use TemporaryDirectoryTrait; |
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/** |
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* @var Filesystem |
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*/ |
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private $filesystem; |
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/** |
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* @var Generator |
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*/ |
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private $faker; |
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/** |
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* @param Filesystem $filesystem |
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* @param Generator $faker |
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*/ |
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public function __construct(Filesystem $filesystem, Generator $faker) |
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{ |
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$this->filesystem = $filesystem; |
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$this->faker = $faker; |
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} |
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/** |
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* @return string |
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*/ |
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public function getName() |
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{ |
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return 'My First IO'; |
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} |
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/** |
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* @return string |
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*/ |
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public function getDescription() |
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{ |
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return 'Read a file from the file system'; |
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} |
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/** |
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* @return array |
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*/ |
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public function getArgs() |
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{ |
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$path = $this->getTemporaryPath(); |
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$paragraphs = $this->faker->paragraphs(rand(5, 50), true); |
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$this->filesystem->dumpFile($path, $paragraphs); |
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return [$path]; |
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} |
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/** |
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* @return null |
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*/ |
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public function tearDown() |
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{ |
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$this->filesystem->remove($this->getTemporaryPath()); |
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} |
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/** |
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* @return string[] |
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*/ |
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public function getRequiredFunctions() |
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{ |
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return ['file_get_contents']; |
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} |
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/** |
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* @return string[] |
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*/ |
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public function getBannedFunctions() |
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{ |
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return ['file']; |
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} |
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/** |
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* @return ExerciseType |
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*/ |
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public function getType() |
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{ |
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return ExerciseType::CLI(); |
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} |
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/** |
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* @param ExerciseDispatcher $dispatcher |
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*/ |
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public function configure(ExerciseDispatcher $dispatcher) |
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{ |
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$dispatcher->requireCheck(FunctionRequirementsCheck::class, $dispatcher::CHECK_AFTER); |
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} |
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} |
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php-school /
learn-you-php
If a method or function can return multiple different values and unless you are sure that you only can receive a single value in this context, we recommend to add an additional type check:
If this a common case that PHP Analyzer should handle natively, please let us know by opening an issue.