4.
When you use the $_POST variable to collect data, the data is visible to.

6.
Which one of the following should not be used while sending passwords or other sensitive information?

8.
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>");
?>

10.
How many validation filters like FILTER_VALIDATE_EMAIL are currently available?