Add syntax highlighting on README #13
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yourwebmaker
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Sep 28, 2024
…adFromProcess` (fritzmg) This PR was merged into the 5.4 branch. Discussion ---------- [Console] Suppress `proc_open` errors within `Terminal::readFromProcess` | Q | A | ------------- | --- | Branch? | 5.4 | Bug fix? | yes | New feature? | no | Deprecations? | no | Issues | | License | MIT When instantiating `SymfonyStyle` in a command it will try to determine the maximum width of the current console interface. https://github.com/symfony/symfony/blob/6687e4ea35f45ebd73fb0315938103628cfb13a0/src/Symfony/Component/Console/Style/SymfonyStyle.php#L53 This will execute `stty -a | grep columns` down the line. Access to `stty` might be disallowed however, resulting in the following error: ``` ErrorException: Warning: proc_open(): Exec failed: Permission denied #16 /vendor/symfony/console/Terminal.php(220): Symfony\Component\Console\Terminal::readFromProcess #15 /vendor/symfony/console/Terminal.php(204): Symfony\Component\Console\Terminal::getSttyColumns #14 /vendor/symfony/console/Terminal.php(170): Symfony\Component\Console\Terminal::initDimensionsUsingStty #13 /vendor/symfony/console/Terminal.php(153): Symfony\Component\Console\Terminal::initDimensions #12 /vendor/symfony/console/Terminal.php(94): Symfony\Component\Console\Terminal::getWidth #11 /vendor/symfony/console/Style/SymfonyStyle.php(55): Symfony\Component\Console\Style\SymfonyStyle::__construct #10 /vendor/symfony/messenger/Command/ConsumeMessagesCommand.php(136): Symfony\Component\Messenger\Command\ConsumeMessagesCommand::interact #9 /vendor/symfony/console/Command/Command.php(311): Symfony\Component\Console\Command\Command::run ``` (Stack Trace actually from Symfony 6) The phpDoc of `Terminal::getSttyColumns` states > Runs and parses stty -a if it's available, _suppressing any error output_. The latter might refer to `['suppress_errors' => true]` (though I am not sure) - which is a Windows only functionality. In any case, since `Terminal::readFromProcess` already checks for ```php if (!$process = proc_open(…)) { return null; } ``` and ```php if (!\is_resource($process)) { return null; } ``` upstream in Symfony 6/7, indicating that `proc_open` might fail - this error can additionally be suppressed using `@`. Besides, `Process::start` also uses ``@proc_open`` (added in symfony/symfony@099481f "Prevent warning in proc_open()"). Commits ------- 575249a3431 suppress proc_open errors
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