Elance Exams Answers PDF file

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Download PDF file of elance Zoho Creator Exam Answers
elance-zoho-creator-exam.pdf

What does this display: Class Obj{ public $a = 2; public function __construct($var=null){ if(!empty($var)) $this->a = $var } } $obj = new Obj(0); echo $obj->a;

2
0
Error: Invalid property
Null
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