function Terminal::hasSttyAvailable

@internal

4 calls to Terminal::hasSttyAvailable()

Application::doRunCommand in vendor/symfony/console/Application.php

Runs the current command.

QuestionHelper::doAsk in vendor/symfony/console/Helper/QuestionHelper.php

Asks the question to the user.

QuestionHelper::getHiddenResponse in vendor/symfony/console/Helper/QuestionHelper.php

Gets a hidden response from user.

Terminal::initDimensions in vendor/symfony/console/Terminal.php

File

vendor/symfony/console/Terminal.php, line 120

Class

Terminal

Namespace

Symfony\Component\Console

Code

public static function hasSttyAvailable() : bool {
    if (null !== self::$stty) {
        return self::$stty;
    }
    // skip check if shell_exec function is disabled
    if (!\function_exists('shell_exec')) {
        return false;
    }
    return self::$stty = (bool) shell_exec('stty 2> ' . ('\\' === \DIRECTORY_SEPARATOR ? 'NUL' : '/dev/null'));
}