PHP | is_iterable() Function
The is_iterable() function is an inbuilt function in PHP which is used to check whether the contents of a variable is an iterable value or not.
Syntax:
bool is_iterable( mixed $var )
Parameters: This function accepts single parameter as mentioned above and described below:
- $var: It contains the value of variable that need to be check.
Return Value: It returns TRUE if the value of variable is iterable, FALSE otherwise.
Program 1:
<?php // Declare an array $arr = array(1, 2, 3, 4, 5); if(is_iterable($arr)) { echo "Array is iterable"; } else { echo "Array is not iterable"; } // Create a class class GFG { } // Create an object $obj = new GFG(); if(is_iterable($obj)) { echo "\nObject is iterable"; } else { echo "\nObject is not iterable"; } ?> |
Output:
Array is iterable Object is not iterable
Program 2:
<?php // Create a class class GFG { public $Geek_name = "Welcome to zambiatek"; } $obj = new GFG(); var_dump(is_iterable($obj)); $arr = array('G', 'e', 'e', 'k', 's'); var_dump(is_iterable($arr)); $num = 25; var_dump(is_iterable($num)); $str = "zambiatek"; var_dump(is_iterable($str)); $bool = true; var_dump(is_iterable($bool)); ?> |
Output:
bool(false) bool(true) bool(false) bool(false) bool(false)
Reference: https://www.php.net/manual/en/function.is-iterable.php
