Which of the following may be used in conjunction with CASE inside a SWITCH statement?
Answer : D
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 $x(5);
Answer : C
What is the output of the following code?
class Test {
public function __call($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');
Answer : B
Which of the following items in the $_SERVER superglobal are important for authenticating the client when using HTTP Basic authentication? (Choose 2)
Answer : D, E
How should class MyObject be defined for the following code to work properly? Assume $array is an array and MyObject is a user-defined class.
$obj = new MyObject();
array_walk($array, $obj);
Answer : D
Which of the following statements is correct?
Answer : B
What is the name of the PHP function used to automatically load non-yet defined classes?
Answer : B