is_countable

Verify that the contents of a variable is a countable value

Description

bool is_countable(mixed $value)

Verify that the contents of a variable is an array or an object implementing Countable

Parameters

value

The value to check

Return Values

Returns true if value is countable, false otherwise.

Changelog

Version Description
7.3.0 is_countable has been added.

Examples

Example #1 is_countable examples

<?php
var_dump(is_countable([1, 2, 3])); // bool(true)
var_dump(is_countable(new ArrayIterator(['foo', 'bar', 'baz']))); // bool(true)
var_dump(is_countable(new ArrayIterator())); // bool(true)
var_dump(is_countable(new stdClass())); // bool(false)

See Also

  • is_array
  • is_object
  • is_iterable
  • is_bool