class Bar { private $a = 'b'; public $c = 'd'; } $x = (array) new Bar(); echo array_key_exists('a', $x) ? 'true' : 'false'; echo '-'; echo array_key_exists('c', $x) ? 'true' : 'false';

The correct answer is B. false-true. See the full explanation below for the reasoning.

Arrays

Question

class Bar {
private $a = 'b';
public $c = 'd';
}
$x = (array) new Bar();
echo array_key_exists('a', $x) ? 'true' : 'false';
echo '-';
echo array_key_exists('c', $x) ? 'true' : 'false';

Options

Afalse-false
Bfalse-true
Ctrue-false
Dtrue-true

How the community answered

(54 responses)

A
4% (2)
B
74% (40)
C
7% (4)
D
15% (8)

Topics

#object casting#private properties#array conversion#array_key_exists

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