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)