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



is_array — Tests whether a value is an array.


bool is_array(value);
mixed value: Value or variable to test


TRUE if the value is an array; FALSE otherwise


is_array() checks whether value is an array. If it is,TRUE is returned. If not, FALSE is returned.


PHP Version: 3+, 4+

See also



Example 1389. Make sure that a function argument is an array

function print_list ($list, $dest = 'php://stdout') {

    // If the $list argument is not an array, then make it an array
    is_array ($list)
        or $list = array ($list);

    // rest of function omitted for brevity

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.