is_iterable
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
← is_integer
is_long →
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