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

Which sentence describes the following regular expression match?
preg_match(‘/^\d+(?:\.[0-9]+)?$/’, $test);

You need to escape special characters to use user input inside a regular expression. Which
functions would you use? (Choose 2)

How many elements does the $matches array contain after the following function call is
performed? preg_match(‘/^(\d{1,2}([a-z]+))(?:\s*)\S+ (?=201[0-9])/’, ’21st March 2014′,
$matches);

How many elements does the array $matches from the following code contain? $str = “The
cat sat on the roof of their house.”; $matches = preg_split(“/(the)/i”, $str, -1,
PREG_SPLIT_DELIM_CAPTURE);

Given the default PHP configuration, how can all of the parameters provided via GET be
accessed in a form of a string?

What is the length of a string returned by: md5(rand(), TRUE);

What is the return value of the following code? strpos(“me myself and I”, “m”, 2)

What is the return value of the following code: substr_compare(“foobar”, “bar”, 3);

You want to allow your users to submit HTML code in a form, which will then be displayed
as real code and not affect your page layout. Which function do you apply to the text, when
displaying it? (Choose 2)