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Exam 200-710 topic 1 question 30 discussion

Actual exam question from Zend's 200-710
Question #: 30
Topic #: 1
[All 200-710 Questions]

What is the output of the following code?

  • A. Fatal error: Access to private variable MyTrait: $abc from context MyClass
  • B. Notice: Undefined property MyClass: $abc
  • C. int(2)
  • D. int(3)
  • E. NULL
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Suggested Answer: D 🗳️

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ZhukovPeter
4 years, 4 months ago
Program to check: <?php trait MyTrait { private $abc = 1; public function increment(){ $this->abc++; } public function getValue(){ return $this->abc; } } class MyClass { use MyTrait; public function incrementBy2(){ $this->increment(); $this->abc++; } } $c = new MyClass(); $c->incrementBy2(); var_dump($c->getValue()); Output: 3
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