1. Which of the following is/are an external data?
1. Cookies
2. Input data from a form
3. Server Variables
4. Web services data
1. Cookies
2. Input data from a form
3. Server Variables
4. Web services data
2. How many types of filtering are present in PHP?
3. Which one of the following filter is used to filter several variables with the same or different filters?
4. What will be the output of the following PHP code?
<?php
$num = "123";
if (!filter_var($num, FILTER_VALIDATE_INT))
echo("Integer is not valid");
else
echo("Integer is valid");
?>
<?php
$num = "123";
if (!filter_var($num, FILTER_VALIDATE_INT))
echo("Integer is not valid");
else
echo("Integer is valid");
?>