input-output.yml

category: Input/Output
questions:
    -
        question: 'How does one access standard input/output and error streams in PHP?'
        answers:
            - {value: 'STDIN, STDOUT and STDERR constants', correct: true}
            - {value: 'Use stdin(), stdout() and stderr() functions', correct: false}
            - {value: 'PHP::STDIN, PHP::STDOUT and PHP::STDERR class constants', correct: false}
            - {value: 'Use PHP::stdin(), PHP::stdout() and PHP::stderr() class functions', correct: false}
    -
        question: 'How to access standard error stream in PHP?'
        answers:
            - {value: '$stderr = STDERR;', correct: true}
            - {value: '$stderr = fopen("php://stderr", "w");', correct: true}
            - {value: '$stderr = stderr("w")', correct: false}
            - {value: '$stderr = fwrite("php://stderr");', correct: false}