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Zend

200-550 · Question #141

Consider the following XML code: <?xml version="1.0" encoding="utf-8"?> <books> <book id="1">PHP 5.5 in 42 Hours</book> <book id="2">Learning PHP 5.5 The Hard Way</book> </books> Which of the…

The correct answer is C. echo $xml->book[1]; E. $c = $xml->children(); echo $c[1]. See the full explanation below for the reasoning.

Question

Consider the following XML code:

<?xml version="1.0" encoding="utf-8"?> <books> <book id="1">PHP 5.5 in 42 Hours</book> <book id="2">Learning PHP 5.5 The Hard Way</book> </books> Which of the following SimpleXML calls prints the name of the second book? (Choose 2) (Let $xml = simplexml_load_file("books.xml"); .)

Options

  • Aecho $xml->books->book[2];
  • Becho $xml->books->book[1];
  • Cecho $xml->book[1];
  • Decho $xml->xpath("/books/book[@id=2]");
  • E$c = $xml->children(); echo $c[1];

How the community answered

(39 responses)
  • A
    3% (1)
  • B
    8% (3)
  • C
    79% (31)
  • D
    10% (4)

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