is_iterable

is_iterable

Verify that the contents of a variable is an iterable value

bool **is_iterable** mixed $value

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

valueThe value to check

Returns true if is iterable, false otherwise. value

Voorbeeld: 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)

?>

is_array