---
layout: doc
title: numbers / intp
---
# intp

### NAME

    intp() - determine whether or not a given variable is an integer

### SYNOPSIS

    int intp( mixed arg );

### DESCRIPTION

    Return 1 if 'arg' is an integer number and zero (0) otherwise.

### SEE ALSO

    mapp(3),  stringp(3),  pointerp(3),  objectp(3), bufferp(3), floatp(3),
    functionp(3), nullp(3), undefinedp(3), errorp(3)

