200-710 practice question 21 of 30
What is the output of the following code? class Foo Implements ArrayAccess { function offsetExists($k) { return true;} function offsetGet($k) {return…
Choose your answer, then check it against the explanation.
What is the output of the following code?
class Foo Implements ArrayAccess {
function offsetExists($k) { return true;}
function offsetGet($k) {return 'a';}
function offsetSet($k, $v) {}
function offsetUnset($k) {}
}
$x = new Foo();
echo array_key_exists('foo', $x)?'true':'false';
Question 21 of 30
Keep practicing
Take the free 200-710 practice test
Ten exam-style questions with answers and explanations, plus the exam facts and study guides.
More questions
Other 200-710 practice questions
- Question 1What is the output of the following code? $a = 3; switch ($a) { case 1: echo 'one'; break…
- Question 2What is the output of the following code? $a = 'a'; $b = 'b'; echo isset($c) ? $a.$b.$c :…
- Question 3Which of the following methods are available to limit the amount of resources available t…
- Question 4What purpose do namespaces fulfill?
- Question 5What would be the output of the following code? namespace MyFramework\DB; class MyClass {…
- Question 6What is the output of the following code? class a { public $val; } function renderVal (a …
