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