Answers for "php get only positive number"

php get only numbers

$str = 'In My Cart : 11 items';
$int = (int) filter_var($str, FILTER_SANITIZE_NUMBER_INT);

php check if input is a positive integer

$filter_options = array( 
    'options' => array( 'min_range' => 0) 
);


if( filter_var( $i, FILTER_VALIDATE_INT, $filter_options ) !== FALSE) {
   ...
}