anonymous_functions_and_closures.yaml

questions:
  -
    uuid: 1eebf878-8ba9-6536-8861-99d84c92580c
    question: 'What will be the output of this ? $result = 0; echo function() { var_dump($result); };'
    answers:
      - { value: '0', correct: false }
      - { value: 'Null', correct: true }
      - { value: 'Fatal Error', correct: false }
    help: 'https://www.php.net/manual/en/functions.anonymous.php'
  -
    uuid: 1eebf878-8ba9-6586-8840-99d84c92580c
    question: 'Is it possible to type the return type declaration of a function closure ?'
    answers:
      - { value: 'Yes', correct: true }
      - { value: 'No', correct: false }
      - { value: 'depends on strict_type defined in php.ini', correct: false }
    help: 'https://www.php.net/manual/en/functions.anonymous.php'