Which of the following PHP functions can be used to set the HTTP response code? (Choose 2)
After performing the following operations:
$a = array('a', 'b', 'c');
$a = array_keys(array_flip($a));
What will be the value of $a?
Consider the following code. What change must be made to the class for the code to work as written?
class Magic {
protected $v = array("a" => 1, "b" => 2, "c" => 3);
public function __get($v) {
return $this->v[$v];
}
}
$m = new Magic();
$m->d[] = 4;
echo $m->d[0];
What DOMElement method should be used to check for availability of a non-namespaced attribute?
Type hinting in PHP allows the identification of the following variable types: (Choose 2)
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