PHP -Sanitize values of a array

Question

I have a array, which comes from $_POST[] and can have other arrays in it as values, like:

array(
 \'title\' => \'Title\',
 \'data\' => ar         


        

Answer 1

Let's say we want to sanitize the $_POST array:

foreach($_POST as $k=>$v) {$_POST[$k] = htmlspecialchars($v);}

This simple. Isn't it?