Free 200-550 Exam Braindumps
Zend Certified PHP Engineer Questions 101–105 (page: 22)

What is the output of the following code?
var_dump(boolval([]));

What is the output of the following code?
var_dump(boolval(new StdClass()));

CORRECT TEXT
Consider the following code:

$result = $value1 ??? $value2;
Which operator needs to be used instead of ??? so that $result equals $value1 if $value1 evaluates to true, and equals $value2 otherwise? Just state the operator as it would be required in the code.

Which of the following is NOT true about PHP traits? (Choose 2)

Given the following code, what will the output be:
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());