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Exam 200-550 topic 1 question 90 discussion

Actual exam question from Zend's 200-550
Question #: 90
Topic #: 1
[All 200-550 Questions]

What is the output of the following code?
function ratio ($x1 = 10, $x2)
{
if (isset ($x2)) {
return $x2 / $x1;
}
}
echo ratio (0);

  • A. 0
  • B. An integer overflow error
  • C. A warning, because $x1 is not set
  • D. A warning, because $x2 is not set
  • E. A floating-point overflow error
  • F. Nothing
Show Suggested Answer Hide Answer
Suggested Answer: D 🗳️
by [deleted] at June 22, 2020, 9:52 p.m.

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[Removed]
4 years, 5 months ago
in PHP7 this will produce a Fatal error
upvoted 1 times
...

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