← Back to exam page

200-710 – Zend Certified Engineer

Loading demo links...

Showing 13–15 of 15 questions

Question 13

Which class of HTTP status codes is used for server error conditions?

Select an option, then click Submit answer.

  • ○

    2XX
  • ○

    3XX
  • ○

    4XX
  • ○

    5XX
Question 14

The constructs for(), foreach(), and each() can all be used to iterate an object if the object...

Select an option, then click Submit answer.

  • ○

    implements ArrayAccess
  • ○

    implements Iterator
  • ○

    implements Iterator and ArrayAccess
  • ○

    None of the above
Question 15

Given the following code, what is correct?

function f(stdClass &$x = NULL) { $x = 42; }

$z = new stdClass;

f($z);

var_dump($z);

Select an option, then click Submit answer.

  • ○ Error: Typehints cannot be NULL

  • ○ Error: Typehints cannot be references

  • ○ Result is NULL

  • ○ Result is object of type stdClass
  • ○ Result is 42