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🏆 Learn You PHP! - An introduction to PHP's core features: i/o, http, arrays, exceptions and so on.

Home Page: http://www.phpschool.io/

License: MIT License

PHP 99.26% Dockerfile 0.74%

workshop php php-school education

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PHP 8 compatibility issues when installing learnyouphp workshop

I just installed the workshop manager on my machine and verified, this was the return

➜  ~ workshop-manager verify

Verifying your installation
===========================


 [OK] Your $PATH environment variable is configured correctly.



 [OK] Your PHP version is 8.0.0, PHP 7.2 is the minimum supported version for this tool. Please note that some workshops
      may require a higher version of PHP, so you may not be able to install them without upgrading PHP.



 [OK] All required PHP extensions are installed. Please note that some workshops may require additional PHP extensions.

But when I tried to install the learnyouphp workshop that's what I get:

➜  ~ workshop-manager install -vvv learnyouphp

Installing dependencies from lock file
Verifying lock file contents can be installed on current platform.
Dependency resolution completed in 0.000 seconds
Your lock file does not contain a compatible set of packages. Please run composer update.

  Problem 1
    - beberlei/assert is locked to version v3.2.7 and an update of this package was not requested.
    - beberlei/assert v3.2.7 requires php ^7 -> your php version (8.0.0) does not satisfy that requirement.
  Problem 2
    - beberlei/assert v3.2.7 requires php ^7 -> your php version (8.0.0) does not satisfy that requirement.
    - php-school/cli-menu 4.1.0 requires beberlei/assert ^2.4 | ^3 -> satisfiable by beberlei/assert[v3.2.7].
    - php-school/cli-menu is locked to version 4.1.0 and an update of this package was not requested.

  There was a problem installing dependencies for "learnyouphp". Try running in verbose mode to see more details: /usr/local/bin/workshop-manager install -v


In Installer.php line 153:

  [PhpSchool\WorkshopManager\Exception\ComposerFailureException]


Exception trace:
  at phar:///usr/local/bin/workshop-manager/src/Installer/Installer.php:153
 PhpSchool\WorkshopManager\Installer\Installer->PhpSchool\WorkshopManager\Installer\{closure}() at phar:///usr/local/bin/workshop-manager/src/Filesystem.php:23
 PhpSchool\WorkshopManager\Filesystem->executeInPath() at phar:///usr/local/bin/workshop-manager/src/Installer/Installer.php:155
 PhpSchool\WorkshopManager\Installer\Installer->installWorkshop() at phar:///usr/local/bin/workshop-manager/src/Command/InstallWorkshop.php:33
 PhpSchool\WorkshopManager\Command\InstallWorkshop->__invoke() at n/a:n/a
 call_user_func_array() at phar:///usr/local/bin/workshop-manager/vendor/php-di/invoker/src/Invoker.php:82
 Invoker\Invoker->call() at phar:///usr/local/bin/workshop-manager/vendor/mnapoli/silly/src/Application.php:95
 Silly\Application->Silly\{closure}() at phar:///usr/local/bin/workshop-manager/vendor/symfony/console/Command/Command.php:253
 Symfony\Component\Console\Command\Command->run() at phar:///usr/local/bin/workshop-manager/vendor/symfony/console/Application.php:971
 Symfony\Component\Console\Application->doRunCommand() at phar:///usr/local/bin/workshop-manager/vendor/symfony/console/Application.php:290
 Symfony\Component\Console\Application->doRun() at phar:///usr/local/bin/workshop-manager/vendor/symfony/console/Application.php:166
 Symfony\Component\Console\Application->run() at phar:///usr/local/bin/workshop-manager/app/bootstrap.php:49
 require() at phar:///usr/local/bin/workshop-manager/bin/workshop-manager:3
 require() at /usr/local/bin/workshop-manager:11

install <workshopName>

Is there a way to update the dependencies so that it will be possible to run the workshop on php 8 environments?

[DomainException] windows is not supported

I followede all the instructions here : https://www.phpschool.io/install#windows, but still i got [DomainException] windows is not supported error. any suggestion?

Terminal "Can't retrieve terminal details" is not a valid TTY

$ sudo learnyouphp

PHP Fatal error:  Uncaught exception 'PhpSchool\CliMenu\Exception\InvalidTerminalException' with message 'Terminal "Can't retrieve terminal details" is not a valid TTY' in /Users/l80/.composer/vendor/php-school/cli-menu/src/CliMenu.php:121
Stack trace:
#0 /Users/l80/.composer/vendor/php-school/cli-menu/src/CliMenu.php(98): PhpSchool\CliMenu\CliMenu->assertTerminalIsValidTTY()
#1 /Users/l80/.composer/vendor/php-school/cli-menu/src/CliMenu.php(317): PhpSchool\CliMenu\CliMenu->configureTerminal()
#2 /Users/l80/.composer/vendor/php-school/php-workshop/src/Command/MenuCommand.php(32): PhpSchool\CliMenu\CliMenu->open()
#3 [internal function]: PhpSchool\PhpWorkshop\Command\MenuCommand->__invoke('/usr/local/bin/...')
#4 /Users/l80/.composer/vendor/php-school/php-workshop/src/CommandRouter.php(169): call_user_func_array(Object(PhpSchool\PhpWorkshop\Command\MenuCommand), Array)
#5 /Users/l80/.composer/vendor/php-school/php-workshop/src/CommandRouter.php(153): PhpSchool\PhpWorkshop\CommandRouter->callCommand in /Users/l80/.composer/vendor/php-school/cli-menu/src/CliMenu.php on line 121

$ sw_vers -productVersion 
10.11.3

MyFirstIo solution output

It's only minor, but the solution for My First IO contains an escaped character which escapes in the terminal output too.

HttpJsonApi exercise missing implements CgiExercise

Rewrite dependency heaven to use modern libraries

The current libraries are no longer working. I would suggest guzzle and symfony/string.

Uncaught Hoa\Socket\Client::_open(): (1) Client returns an error (number 111)

On the time-server exercise, I get the following error when running:

$ learnyouphp verify time.php

time.php is the solution code from here: https://raw.githubusercontent.com/php-school/learn-you-php/master/exercises/time-server/solution/solution.php

PHP Fatal error:  Uncaught Hoa\Socket\Client::_open(): (1) Client returns an error (number 111): Connection refused while trying to join tcp://127.0.0.1:55019.
in /home/michael/.php-school/workshops/learnyouphp/vendor/hoa/socket/Client.php at line 191.
  thrown in /home/michael/.php-school/workshops/learnyouphp/vendor/hoa/socket/Client.php on line 191

Fatal error: Uncaught Hoa\Socket\Client::_open(): (1) Client returns an error (number 111): Connection refused while trying to join tcp://127.0.0.1:55019.
in /home/michael/.php-school/workshops/learnyouphp/vendor/hoa/socket/Client.php at line 191.
  thrown in /home/michael/.php-school/workshops/learnyouphp/vendor/hoa/socket/Client.php on line 191

Hoa\Socket\Exception\Exception: Client returns an error (number 111): Connection refused while trying to join tcp://127.0.0.1:55019. in /home/michael/.php-school/workshops/learnyouphp/vendor/hoa/socket/Client.php on line 191

Call Stack:
    0.0002     360312   1. {main}() /home/michael/.php-school/workshops/learnyouphp/bin/learnyouphp:0
    0.0042     910536   2. PhpSchool\PhpWorkshop\Application->run() /home/michael/.php-school/workshops/learnyouphp/bin/learnyouphp:5
    0.0291    3934080   3. PhpSchool\PhpWorkshop\CommandRouter->route() /home/michael/.php-school/workshops/learnyouphp/vendor/php-school/php-workshop/src/Application.php:194
    0.0529    6942160   4. PhpSchool\PhpWorkshop\CommandRouter->resolveCallable() /home/michael/.php-school/workshops/learnyouphp/vendor/php-school/php-workshop/src/CommandRouter.php:131
    0.0668    7771184   5. PhpSchool\PhpWorkshop\CommandRouter->callCommand() /home/michael/.php-school/workshops/learnyouphp/vendor/php-school/php-workshop/src/CommandRouter.php:213
    0.0668    7771184   6. PhpSchool\PhpWorkshop\Command\VerifyCommand->__invoke() /home/michael/.php-school/workshops/learnyouphp/vendor/php-school/php-workshop/src/CommandRouter.php:233
    0.0668    7771184   7. PhpSchool\PhpWorkshop\ExerciseDispatcher->verify() /home/michael/.php-school/workshops/learnyouphp/vendor/php-school/php-workshop/src/Command/VerifyCommand.php:83
    0.1019    8329080   8. PhpSchool\PhpWorkshop\ExerciseRunner\CliRunner->verify() /home/michael/.php-school/workshops/learnyouphp/vendor/php-school/php-workshop/src/ExerciseDispatcher.php:156
    0.1095    8369832   9. array_map() /home/michael/.php-school/workshops/learnyouphp/vendor/php-school/php-workshop/src/ExerciseRunner/CliRunner.php:143
    0.1095    8369888  10. PhpSchool\PhpWorkshop\ExerciseRunner\CliRunner->PhpSchool\PhpWorkshop\ExerciseRunner\{closure}() /home/michael/.php-school/workshops/learnyouphp/vendor/php-school/php-workshop/src/ExerciseRunner/CliRunner.php:143
    0.1095    8369888  11. PhpSchool\PhpWorkshop\ExerciseRunner\CliRunner->doVerify() /home/michael/.php-school/workshops/learnyouphp/vendor/php-school/php-workshop/src/ExerciseRunner/CliRunner.php:141
    0.1097    8376584  12. PhpSchool\PhpWorkshop\ExerciseRunner\CliRunner->executePhpFile() /home/michael/.php-school/workshops/learnyouphp/vendor/php-school/php-workshop/src/ExerciseRunner/CliRunner.php:182
    0.1107    8383304  13. PhpSchool\PhpWorkshop\Event\EventDispatcher->dispatch() /home/michael/.php-school/workshops/learnyouphp/vendor/php-school/php-workshop/src/ExerciseRunner/CliRunner.php:97
    0.1107    8383304  14. PhpSchool\LearnYouPhp\Exercise\TimeServer->PhpSchool\LearnYouPhp\Exercise\{closure}() /home/michael/.php-school/workshops/learnyouphp/vendor/php-school/php-workshop/src/Event/EventDispatcher.php:44
    0.2144    8735696  15. Hoa\Socket\Client->connect() /home/michael/.php-school/workshops/learnyouphp/src/Exercise/TimeServer.php:80
    0.2145    8735744  16. Hoa\Socket\Client->__construct() /home/michael/.php-school/workshops/learnyouphp/vendor/hoa/socket/Connection/Connection.php:197
    0.2150    8748304  17. Hoa\Socket\Client->open() /home/michael/.php-school/workshops/learnyouphp/vendor/hoa/stream/Stream.php:172
    0.2150    8748304  18. Hoa\Stream\Stream::_getStream() /home/michael/.php-school/workshops/learnyouphp/vendor/hoa/stream/Stream.php:290
    0.2151    8748744  19. Hoa\Socket\Client->_open() /home/michael/.php-school/workshops/learnyouphp/vendor/hoa/stream/Stream.php:213

Cannot install via composer because of minimum stability

Hello,

tried installing the package as per instructions, this could not be done because of warning about minimum required stability of packages via composer.

Ran self-update before trying to install, standard composer install to the best of my knowledge (so no change of minimum stability by me)

Pic :

DatabaseRead missing implements CliExericse

Class 'ZipArchive' not found when try to install learnyouphp

Hi,

I have installed and I verify that everything is ok with workshop-manager in my machine with ubuntu and php 7.0.12 but when I tried to install learnyouphp I got this error:

PHP Fatal error: Uncaught Error: Class 'ZipArchive' not found in phar:///usr/local/bin/workshop-manager/src/Installer/Installer.php:136

Cannot install via composer because need to remove symfony/process

Hi, I'm trying to install via composer. But it always failed even if I'm cleared composer cache. Here is the error message

Your requirements could not be resolved to an installable set of packages.

  Problem 1
    - Conclusion: remove symfony/process v2.6.5
    - Installation request for php-school/learn-you-php ^0.2.10 -> satisfiable by php-school/learn-you-php[0.2.10].
    - Conclusion: don't install symfony/process v3.0.2
    - Conclusion: don't install symfony/process v2.6.5|install symfony/process v3.0.2
    - php-school/learn-you-php 0.2.10 requires php-school/php-workshop ^0.3@dev -> satisfiable by php-school/php-workshop[0.3.0, 0.3.1, 0.3.2, 0.3.3, 0.3.4, 0.3.5].
    - php-school/php-workshop 0.3.0 requires symfony/process ^2.7 -> satisfiable by symfony/process[v2.7.0, v2.7.1, v2.7.2, v2.7.3, v2.7.4, v2.7.5, v2.7.6, v2.7.7, v2.7.8, v2.7.9, v2.8.0, v2.8.1, v2.8.2].
    - php-school/php-workshop 0.3.1 requires symfony/process ^2.7 -> satisfiable by symfony/process[v2.7.0, v2.7.1, v2.7.2, v2.7.3, v2.7.4, v2.7.5, v2.7.6, v2.7.7, v2.7.8, v2.7.9, v2.8.0, v2.8.1, v2.8.2].
    - php-school/php-workshop 0.3.2 requires symfony/process ^2.7 -> satisfiable by symfony/process[v2.7.0, v2.7.1, v2.7.2, v2.7.3, v2.7.4, v2.7.5, v2.7.6, v2.7.7, v2.7.8, v2.7.9, v2.8.0, v2.8.1, v2.8.2].
    - php-school/php-workshop 0.3.3 requires symfony/process ^2.7 -> satisfiable by symfony/process[v2.7.0, v2.7.1, v2.7.2, v2.7.3, v2.7.4, v2.7.5, v2.7.6, v2.7.7, v2.7.8, v2.7.9, v2.8.0, v2.8.1, v2.8.2].
    - php-school/php-workshop 0.3.4 requires symfony/process ^2.7 -> satisfiable by symfony/process[v2.7.0, v2.7.1, v2.7.2, v2.7.3, v2.7.4, v2.7.5, v2.7.6, v2.7.7, v2.7.8, v2.7.9, v2.8.0, v2.8.1, v2.8.2].
    - php-school/php-workshop 0.3.5 requires symfony/process ^2.7|^3.0 -> satisfiable by symfony/process[v2.7.0, v2.7.1, v2.7.2, v2.7.3, v2.7.4, v2.7.5, v2.7.6, v2.7.7, v2.7.8, v2.7.9, v2.8.0, v2.8.1, v2.8.2, v3.0.0, v3.0.1, v3.0.2].
    - Can only install one of: symfony/process[v2.7.0, v2.6.5].
    - Can only install one of: symfony/process[v2.7.1, v2.6.5].
    - Can only install one of: symfony/process[v2.7.2, v2.6.5].
    - Can only install one of: symfony/process[v2.7.3, v2.6.5].
    - Can only install one of: symfony/process[v2.7.4, v2.6.5].
    - Can only install one of: symfony/process[v2.7.5, v2.6.5].
    - Can only install one of: symfony/process[v2.7.6, v2.6.5].
    - Can only install one of: symfony/process[v2.7.7, v2.6.5].
    - Can only install one of: symfony/process[v2.7.8, v2.6.5].
    - Can only install one of: symfony/process[v2.7.9, v2.6.5].
    - Can only install one of: symfony/process[v2.8.0, v2.6.5].
    - Can only install one of: symfony/process[v2.8.1, v2.6.5].
    - Can only install one of: symfony/process[v2.8.2, v2.6.5].
    - Can only install one of: symfony/process[v3.0.0, v2.6.5].
    - Can only install one of: symfony/process[v3.0.1, v2.6.5].
    - Installation request for symfony/process == 2.6.5.0 -> satisfiable by symfony/process[v2.6.5].


Installation failed, reverting ./composer.json to its original content.

I'm using php 5.6.16

> php -v
PHP 5.6.16 (cli) (built: Dec 13 2015 15:06:28) 
Copyright (c) 1997-2015 The PHP Group
Zend Engine v2.6.0, Copyright (c) 1998-2015 Zend Technologies
    with Xdebug v2.3.3, Copyright (c) 2002-2015, by Derick Rethans

Exercise 9 instructions incorrect

The instructions say that the port will be the first argument to the program, however when verifying, the output errors make it seem like it is sending the port as a second parameter with the localhost ipv4 address as the first argument.

Upon making adjustments to test this, the program started working, but I have been unable to determine why it is expecting times 12 hours into the future. I could have understood if it was basing on GMT/UTC, but there is no mention of timezone we should be formatting for in the instructions.

Question on Ex10

Is it supposed to be looking at www.time.com, rather than running a web server request on the exercise file? I've glanced through the code, as well as poured over the instructions for the exercise and I'm not seeing where you're supposed to configure anything for the HTTP server that we're implementing.

Not clear if we're supposed to supply a domain to the script, or if that's supposed to be part of the run/verify scripts.

Filtered ls cares about order

If you output the correct results but in a different order to our solution then it will fail. I'm not sure how we would fix this but it's worth a look. Or maybe the best way is to say to do it in a particular order in the exercise task.

Permission for uploading solutions

May I upload my solutions to the learnyouphp workshop to a git repository that I created.

I just wanted to ask before doing it.

thanks

Docs

can't navigate menu

using elementary os, fish shell, php-fpm 7.0.3

cannot navigate learnyouphp menu.
seems completely unresponsive except to the "enter" key.
as such, I'm stuck on hello world

User experience with getting started

This is for new users in the command line.

In Exercise 1, you display the following info:


You can write to the console like so:

    <?php

    echo "text";

That is a bit confusing to people using the command line for the first time. Give some information on:

creating a file using their favourite editor (maybe even list a number of editors depending on OS).
show the directory location
might want to create the file initially - at least for the 1st exercise

Dependency heaven doesn't seem to test successes correctly

The solution https://github.com/php-school/learn-you-php/tree/master/test/res/dependency-heaven/good-solution is not actually correct

DependencyHeaven should use ComposerExercise

https://github.com/php-school/learn-you-php/blob/master/src/Exercise/DependencyHeaven.php should use php-school/php-workshop#49 & php-school/php-workshop#48 when finished and merged

Exercise Ideas

- Exceptions
- Simple array manipulation
- Database
- Composer require
- Classes, instantiations etc (may not currently be possible)
- Closures / callables (again may not currently be possible)

Potential good source of programming problems / tasks

Translating to Brasilian Portuguese

I'd like to translate it to Brasilian Portuguese.
what do you think , if we change a bit this folder structure ?

/
- src /
  - en/
  - exercices /
  - pt-br/
    - exercícios /

it will be more easy to contribute with another languages

DirectorySolution.php should be recursive and have an ignores option

We should be able to recursively include folders,
and there should be an option to ignore folders and files for example composer.lock & vendor

folder entries should also be skipped, only files should be included.

TimeServer exercise does not append CLI args in run mode

Hoa\Socket 1.0 has been released

Hello 😃,

Thanks for using Hoa\Socket!
I don't know if you are aware but the 1.0 version has been released! We really recommend to upgrade to this version if possible. We can help you to migrate too (see the README.md to get help).

Create more friendly "fail" messages

These are suggestions for new users.

Avoid the use of Fail!
Offer some encouragement. e.g. you did so and so correct. Try line number xx...

Fatal error in installing

When I try to run "composer global require php-school/learn-you-php" I get below error. My php version is 5.6.17

PHP Fatal error: Class 'Composer\Installer\PackageEvents' not found in /Users/shailesh/.composer/vendor/php-school/workshop-installer/src/Plugin.php on line 42

Exercise 3 is ambiguous

the exercise ask for the number of newlines, but what is the correct answer for strings that without a newline at end?
for example, "line1\nline2" should be count as 2 lines, but it actually has only 1 newline char.
and the funny part is "wc -l" also show "1" for this case.

No workshops found matching "learnyouphp", did you spell it correctly?

When I go to workshop-manager install learnyouphp I get the error message in the title.

I also get the following warnings Notice: Use of undefined constant ARRAY_FILTER_USE_BOTH - assumed 'ARRAY_FILTER_USE_BOTH' and Warning: array_filter() expects at most 2 parameters, 3 given in phar://... before the final error message.

CI Setup

Ex8: PDOException if no php5-sqlite installed

For exercise №8 "Database Read" package php5-sqlite should be installed on Ubuntu.
Without it the runner and verifier will throw PDOException with message 'could not find driver'.
I guess, this is not by design and should be mentioned in requirements or hints.
Also, after installation of missing packages and running learnyouphp run again, the RuntimeException with message 'Database directory /tmp/... already exists' throwed.
Deleting of mentioned folder of course helps.

Allows installation via composer

Composer global require is a cool way to make the workshop manager available to the entire system without all that messing about with curl and chmod. It's easy enough to do this, if someone says it would be useful, I will make it so...

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