National_Instruments
200-500 · Question #151
200-500 Question #151: Real Exam Question with Answer & Explanation
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Question
What is the output of the following script? 1 <?php 2 class a 3 { 4 public $val = 10; 5 } 7 function renderVal (a $a) 8 { 9 return $a->$val; 10 } 12 renderVal (new a); 13 ?>
Options
- ANothing
- BNULL
- CA fatal error
- D$val
- E10
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