Zend
200-550 · Question #67
200-550 Question #67: Real Exam Question with Answer & Explanation
The correct answer is D. A warning, because $x2 is not set. See the full explanation below for the reasoning.
Question
What is the output of the following code? function ratio ($x1 = 10, $x2) { if (isset ($x2)) { return $x2 / $x1; } } echo ratio (0);
Options
- A0
- BAn integer overflow error
- CA warning, because $x1 is not set
- DA warning, because $x2 is not set
- EA floating-point overflow error
- FNothing
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