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200-710 – Zend Certified Engineer

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Showing 10–12 of 15 questions

Question 10

What is the output of the following code?

class Number {

private $v;

private static $sv = 10;

public function __construct($v) { $this->v = $v; }

public function mul() {

return static function ($x) {

return isset($this) ? $this->v*$x : self::$sv*$x;

};

}

}

$one = new Number(1);

$two = new Number(2);

$double = $two->mul();

$x = Closure::bind($double, null, 'Number');

echo $x(5);

Select an option, then click Submit answer.

  • ○

    5
  • ○

    10
  • ○

    50
  • ○

    Fatal error
Question 11

What is the name of the header used to require HTTP authentication?

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  • ○

    Authorization-Required
  • ○

    WWW-Authenticate
  • ○

    HTTP-Authenticate
  • ○

    Authentication-Required
    E: HTTP-Auth
Question 12

What is the output of the following code?

class Test {

public function __call($name, $args)

{

call_user_func_array(array('static', "test$name"), $args);

}

public function testS($l) {

echo "$l,";

}

}

class Test2 extends Test {

public function testS($l) {

echo "$l,$l,";

}

}

$test = new Test2();

$test->S('A');

Select an option, then click Submit answer.

  • ○

    A,
  • ○

    A,A,
  • ○

    A,A,A,
  • ○

    PHP Warning: call_user_func_array() expects parameter 1 to be a valid callback