200-710 practice question 6 of 30
What is the output of the following code? class a { public $val; } function renderVal (a $a) { if ($a) { echo $a->val; } } renderVal (null);
Choose your answer, then check it against the explanation.
What is the output of the following code?
class a
{
public $val;
}
function renderVal (a $a)
{
if ($a) {
echo $a->val;
}
}
renderVal (null);
Question 6 of 30
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