Which of the following statements about SOAP is NOT true?

Which of the following statements about SOAP is NOT true?

You want to access the 3rd character of a string, contained in the variable $test. Which of the following
possibilites work? (Choose 2)

What is the benefit of using persistent database connections in PHP? (Choose two.)

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($1) {
echo "$1,";
class Test2 extends Test {
public function testS($1) {
echo "$1,$1,";
}
$ test = new Test2();
$ test->S('A');