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PHP is_iterable

PHP original manual for is_iterable [ show | php.net ]

is_iterable

(PHP 7 >= 7.1.0)

is_iterable — Verify that the contents of a variable is an iterable value

Description

bool is_iterable ( mixed $var )

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

Parameters

var

The value to check

Return Values

Returns TRUE if var 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() - Finds whether a variable is an array