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 →
? 1997–2017 The PHP Documentation GroupLicensed under the Creative Commons Attribution License v3.0 or later.
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