The is_int () function is used to test whether the type of the specified variable is an integer or not.
Version:
(PHP 4 and above)
Syntax:
is_int(var_name)
Parameter:
| Name | Description | Required / Optional |
Type |
|---|---|---|---|
| var_name | The variable being checked | Required | Mixed* |
*Mixed : Mixed indicates that a parameter may accept multiple (but not necessarily all) types.