What is PhpDig?
PhpDig is a PHP MySQL based
Web Spider & Search Engine.



posix_isatty — Determine whether or not a file descriptor is connected to a TTY (POSIX.1, 4.7.1)


bool posix_isatty(fd);
int fd: File descriptor to examine


TRUE if the given file descriptor is a TTY; FALSE otherwise.


This function is used to determine whether a given file descriptor refers to a TTY.


PHP 3.0.13+, PHP 4.0b4+


Example 1081. Testing whether a file descriptor refers to a TTY

if (posix_isatty($fd)) {
    echo "It's a TTY.\n";
} else {
    echo "It's not a TTY.\n";

PHP Functions Essential Reference. Copyright © 2002 by New Riders Publishing (Authors: Zak Greant, Graeme Merrall, Torben Wilson, Brett Michlitsch). This material may be distributed only subject to the terms and conditions set forth in the Open Publication License, v1.0 or later (the latest version is presently available at The authors of this book have elected not to choose any options under the OPL. This online book was obtained from and is designed to provide information about the PHP programming language, focusing on PHP version 4.0.4 for the most part. The information is provided on an as-is basis, and no warranty or fitness is implied. All persons and entities shall have neither liability nor responsibility to any person or entity with respect to any loss or damage arising from the information contained in this book.

Powered by: vBulletin Version 3.0.7
Copyright ©2000 - 2005, Jelsoft Enterprises Ltd.
Copyright © 2001 - 2005, ThinkDing LLC. All Rights Reserved.