is_int
(PHP 3, PHP 4, PHP 5)
is_int -- Find whether a variable is an integer
Description
bool
is_int ( mixed var )
Finds whether the given variable is an integer.
Note:
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().
Parameters
var
The variable being evaluated.
Return Values
Returns TRUE if var is an integer,
FALSE otherwise.