Which of the symbols is a newline character?

Which PHP function can be used to find files?

  If there is no error, then what will the error() method return? 

Which function is used to determine whether a class exists?

 Which directive determines how the session information will be stored?
 

 Which one of the following function is useful for producing a timestamp based on a given date and time?

Which of the following are PHP code editors?

Which one of the following function operates similarly to fgets(), except that it also strips any HTML and PHP tags from the input?

An attacker somehow obtains an unsuspecting user’s SID and then using it to impersonate the user in order to gain potentially sensitive information. This attack is known as __________
 

What will be the value of the variable $input in the following PHP code?

<?php

$input = "Swapna<td>Lawrence</td>you are really<i>pretty</i>!";

$input = strip_tags($input,"<i></i>");

echo $input;

?>