Variable handling Functions
PHP Manual

is_iterable

Verify that the contents of a variable is an iterable value

Description

bool is_iterable(mixed $value)

Verify that the contents of a variable is accepted by the iterable pseudo-type, i.e. that it is either an array or an object implementing Traversable

Parameters

value

The value to check

Return Values

Returns true if value is iterable, false otherwise.

Examples

Example #1 is_iterable examples

<?php

var_dump(is_iterable([1, 2, 3]));  // bool(true)
var_dump(is_iterable(new ArrayIterator([1, 2, 3])));  // bool(true)
var_dump(is_iterable((function () { yield 1; })()));  // bool(true)
var_dump(is_iterable(1));  // bool(false)
var_dump(is_iterable(new stdClass()));  // bool(false)

?>

See Also

  • is_array