Symfony Console OutputFormatter replaces "<<" with "\" · Issue #18481 · symfony/symfony · GitHub

10000 Symfony Console OutputFormatter replaces "<<" with "\" · Issue #18481 · symfony/symfony · GitHub

Symfony Console OutputFormatter replaces "<<" with "\" #18481

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Symfony Console OutputFormatter replaces "<<" with "\"#18481

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BugConsoleStatus: Reviewed

On a console command, with the standard OutputInterface instance
$output->writeln("<<");
actually outputs:

expected:

<<

The cause is the implementation of the method format in OutputFormatter, see line 177:

if (false !== strpos($output, '<<')) {
    return strtr($output, array('\\<' => '<', '<<' => '\\'));
}

Symfony version: 3.0.4

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