function

isinteger . string . sncode

VERSIONlatest Checks for a digit (0 through 9) that may be preceed by + or -.

ISINTEGER

NAME

isinteger - Checks for a digit (0 through 9) that may be preceed by + or -.

SYNOPSIS

isinteger("…");

DESCRIPTION

This function is used to determine if the argument is a digit, that is an arabic number contained between 0 and 9 and maybe start with + or -. The argument can be a single character or a string. In the latter case, each character has to be a digit for the function to be true.

AUTHOR

Written by Pierre Laplante and Caroline Laplante, <laplante@sednove.com>

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