In the following code, which line should be changed so it outputs the number 2:
class A {
protected $x = array(); /* A */
public function getX() { /* B */
return $this->x; /* C */
}
}
$a = new A(); /* D */
array_push($a->getX(), "one");
array_push($a->getX(), "two");
echo count($a->getX());
What is the name of the method that can be used to provide read access to virtual properties in a class?
What is the method used to execute XPath queries in the SimpleXML extension?
Which PHP function is used to validate whether the contents of $_FILES['name']['tmp_name'] have really been uploaded via HTTP, and also save the contents into another folder?
Xenia
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