is_countable | Functions | PHP

Verify that the contents of a variable is a countable value

Syntax

is_countable ( mixed $var ) : bool

var

The value to check

Returns TRUE if var is countable, FALSE otherwise.

<?

$var = array();

$return = is_countable($var);

echo $return;

?>

<?

$var = array(0, 1);

$return = is_countable($var);

echo $return;

?>

<?

$var = new ArrayIterator();

$return = is_countable($var);

echo $return;

?>

<?

$array = array(0, 1);

$var = new ArrayIterator($array);

$return = is_countable($var);

echo $return;

?>