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# is_int

(PHP 3 <= 3.0.18, PHP 4 >= 4.0.0)

is_int -- Find whether a variable is an integer

## Description

``bool is_int` (mixed var)`

Returns `TRUE` if `var` is an integer `FALSE` otherwise.

> Tip: To test if a variable is a number or a numeric string (such as form input, which is always a string), you must use is_numeric().

See also is_bool(), is_float(), is_integer(), is_numeric(), is_string(), is_array(), and is_object().

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