W3Schools
  home HOME Tutorials | References | Examples | Forum | About
Search W3Schools:

PHP Basic
PHP HOME
PHP Intro
PHP Install
PHP Syntax
PHP Variables
PHP String
PHP Operators
PHP If...Else
PHP Switch
PHP Arrays
PHP Looping
PHP Functions
PHP Forms
PHP $_GET
PHP $_POST

PHP Advanced
PHP Date
PHP Include
PHP File
PHP File Upload
PHP Cookies
PHP Sessions
PHP E-mail
PHP Secure E-mail
PHP Error
PHP Exception
PHP Filter

PHP Database
MySQL Introduction
MySQL Connect
MySQL Create
MySQL Insert
MySQL Select
MySQL Where
MySQL Order By
MySQL Update
MySQL Delete
PHP ODBC

PHP XML
XML Expat Parser
XML DOM
XML SimpleXML

PHP and AJAX
AJAX Introduction
XMLHttpRequest
AJAX Suggest
AJAX XML
AJAX Database
AJAX responseXML
AJAX Live Search
AJAX RSS Reader
AJAX Poll

PHP Reference
PHP Array
PHP Calendar
PHP Date
PHP Directory
PHP Error
PHP Filesystem
PHP Filter
PHP FTP
PHP HTTP
PHP Libxml
PHP Mail
PHP Math
PHP Misc
PHP MySQL
PHP SimpleXML
PHP String
PHP XML
PHP Zip

PHP Quiz
PHP Quiz

Selected Reading
Web Statistics
Web Glossary
Web Hosting
Web Quality

W3Schools Tutorials
W3Schools Forum

Helping W3Schools

PHP highlight_string() Function


PHP Misc Reference Complete PHP Misc Reference

Definition and Usage

The highlight_string() function outputs a string with the PHP syntax highlighted. The string is highlighted by using HTML tags.

The colors used for highlighting can be set in the php.ini file or with the ini_set() function.

This function returns TRUE on success, or FALSE on failure.

Syntax

highlight_string(string,return)
 
Parameter Description
string Required. Specifies the string to highlight
return Optional. If this parameter is set to TRUE, this function will return the highlighted code as a string, instead of printing it out. Default is FALSE


Example

<html>
<body>
<?php
highlight_string("Hello world! <?php phpinfo(); ?>");
?>
</body>
</html>

The output of the could above could be:

Hello world! <?php phpinfo(); ?>

and, if you select "View source" in the browser window, it will look something like this:

<html>
<body>
<code>
<span style="color: #000000">Hello&nbsp;world!&nbsp;
<span style="color: #0000BB">&lt;?php&nbsp;phpinfo</span>
<span style="color: #007700">();&nbsp;</span>
<span style="color: #0000BB">?&gt;</span>
</span>
</code>
</body>
</html>


PHP Misc Reference Complete PHP Misc Reference


Learn how your website performs under various load conditions

Web Load and Performance Testing   

WAPT is a load, stress and performance testing tool for websites and web-based applications. In contrast to "800-pound gorilla" load testing tools, it is designed to minimize the learning curve and give you an ability to create a heavy load from a regular workstation. WAPT is able to generate up to 3000 simultaneously acting virtual users using standard hardware configuration. Virtual users in each profile are fully customizable. Basic and NTLM authentication methods are supported. Graphs and reports are shown in real-time at different levels of detail, thus helping to manage the testing process.

Download the free 30-day trial!



Jump to: Top of Page or HOME or Printer Friendly Printer friendly page

W3Schools provides material for training only. We do not warrant the correctness of its contents. The risk from using it lies entirely with the user. While using this site, you agree to have read and accepted our terms of use and privacy policy.

Copyright 1999-2008 by Refsnes Data. All Rights Reserved.

Validate Validate W3C-WAI level A conformance icon W3Schools was converted to XHTML in December 1999