PHP Forms Easy Questions and Answers

To validate an email address, which flag is to be passed to the function filter_var()?

FILTER_VALIDATE_EMAIL

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

<?php
$input = "Ajit<td>Gupta</td>you are really<i>Handsome</i>!";
$input = strip_tags($input,"<i></i>");
?>

Italic tags <i></i> might be allowable, but table tags <td></td> could potentially wreak havoc on a page.

Which function is used to remove all HTML tags from a string passed to a form?

strip_tags()

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

Because the data is visible to everyone.

Which variable is used to collect form data sent with both the GET and POST methods?

$_REQUEST