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

strtoupper
Prev	LVIII. String Functions	Next

strtoupper

Name

strtoupper — Convert a string to uppercase.

Synopsis

string strtoupper(string); string string:

Returns

Uppercase string

Description

strtoupper() converts all lowercase alphabetical characters within a string to their uppercase equivalents.

Note

The conversion from lowercase to uppercase is dependent upon the current locale. Use setlocale() to set or query the locale.

Version

PHP 3+, PHP 4+

Example

Example 1236. Make a string uppercase

<?php
$email_subject = "Hello, my name is loud howard.";
echo strtoupper($email_subject);
?>

Output:HELLO, MY NAME IS LOUD HOWARD.

Prev	Home	Next
strtolower	Up	str_replace

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 http://www.opencontent.org/openpub/). The authors of this book have elected not to choose any options under the OPL. This online book was obtained from http://www.fooassociates.com/phpfer/ 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.