Verify that the contents of a variable is a countable value
Syntax
is_countable ( mixed $var ) : bool
Parameters
var
The value to check
Return
Returns TRUE if var is countable, FALSE otherwise.
Examples
1
<? $var = array(); $return = is_countable($var); echo $return; ?>
1
2
<? $var = array(0, 1); $return = is_countable($var); echo $return; ?>
1
3
<? $var = new ArrayIterator(); $return = is_countable($var); echo $return; ?>
1
4
<? $array = array(0, 1); $var = new ArrayIterator($array); $return = is_countable($var); echo $return; ?>
1