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PHP Manual || Variable handling Functions

(PHP 7 >= 7.3.0)

is_countable Verify that the contents of a variable is a countable value

Description

is_countable ( mixed $var ) : bool

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

Parameters

var

The value to check

Return Values

Returns TRUE if var 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([123])); // 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() - Finds whether a variable is an array
  • is_object() - Finds whether a variable is an object
  • is_iterable() - Verify that the contents of a variable is an iterable value
  • is_bool() - Finds out whether a variable is a boolean



PHP Manual || Variable handling Functions