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Zend

200-530 · Question #30

An HTML form contains this form element <input type="file" name="myFile" /> When this form is submitted, the following PHP code gets executed: move_uploaded_file( $_FILES['myFile']['tmp_name']…

The correct answer is B. Sanitize the file name in $_FILES['myFile']['name'] because this value is not consistent among web D. Sanitize the file name in $_FILES['myFile']['name'] because this value could be forged. See the full explanation below for the reasoning.

Question

An HTML form contains this form element <input type="file" name="myFile" /> When this form is submitted, the following PHP code gets executed: move_uploaded_file( $_FILES['myFile']['tmp_name'], 'uploads/' . $_FILES['myFile']['name']); Which of the following actions must be taken before this code may go into production? (Choose 2)

Options

  • ACheck with is_uploaded_file() whether the uploaded file $_FILES['myFile']['tmp_name'] is valid
  • BSanitize the file name in $_FILES['myFile']['name'] because this value is not consistent among web
  • CCheck the charset encoding of the HTTP request to see whether it matches the encoding of the
  • DSanitize the file name in $_FILES['myFile']['name'] because this value could be forged
  • EUse $HTTP_POST_FILES instead of $_FILES to maintain upwards compatibility

How the community answered

(60 responses)
  • A
    5% (3)
  • B
    85% (51)
  • C
    2% (1)
  • E
    8% (5)

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