Callback filter
Data:
array( 'Validate', 'My' ) );
if (isset($_GET['data'])) {
$data = filter_input( INPUT_GET, 'data', $filter, $callback );
var_dump( $data );
}
class Validate {
function My( $text ) {
if ( $text == 'PHP' ) {
$text = 'PHP Rocks!';
return $text;
}
return false;
}
}
?>]]>