200-710 試験問題を無料オンラインアクセス

What DOMElement method should be used to check for availability of a non-namespaced attribute?

• A.hasAttributeNS()
• B.getAttributeNS()
• C.getAttribute()
• D.hasAttribute()

Which PHP function sets a cookie whose value does not get URL encoded when sending it to the
browser?

Which is the most efficient way to determine if a key is present in an array, assuming the array has no
NULL values?

• A.None of the above
• B.in_array('key', array_keys($a))
• C.array_key_exists('key', $a)
• D.isset($a['key'])

Given the following code, what will the output be:
trait MyTrait {
}
private $a be = 1;
public function increment() {
$ this->abc++;
}
public function getValue() {
return $th is->abc;
class MyClass {
use MyTrait;
public function incrementBy2() {
$ th is->i ncre m ent();
$ this->abc++;
$ c = new MyClass;
$ c->incrementBy2();
var_dump($c->getValue());

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

Which methods can be used to overload object properties? (Choose 2)

• A._put(), _receive(), _exists()
• B._set(), _get()
• C.set(), get()
• D.set(), get(), isset()
• E._isset(), _unset()