Q.1.
Which one of the following should not be used while sending passwords or other sensitive information?

Explanation

Q.2.
Which function is used to remove all HTML tags from a string passed to a form?
Q.3.
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>");
?>

Explanation

Q.4.
To validate an e-mail address, which flag is to be passed to the function filter_var()?
Q.5.
How many validation filters like FILTER_VALIDATE_EMAIL are currently available?

Explanation