PHP Tutorial

PHP is a powerful tool for making dynamic and interactive Web pages. PHP is the widely-used, free, and efficient alternative to competitors such as Microsoft's ASP. In our PHP tutorial you will learn about PHP, and how to execute scripts on your server. Start learning PHP now!

PHP Quiz Test

Test your PHP skills at W3Schools!

Start PHP Quiz!

PHP References

At W3Schools you will find complete references of all PHP functions:

• Array functions
• Calendar functions
• Date functions
• Directory functions
• Error functions
• Filesystem functions
• Filter functions
• FTP functions
• HTTP functions
• LibXML functions
• Mail functions
• Math functions
• Misc functions
• MySQL functions
• SimpleXML functions
• String functions
• XML Parser functions
• Zip functions

PHP Exam - Get Your Diploma!

W3Schools' Online Certification Program The perfect solution for professionals who need to balance work, family, and career building. More than 4000 certificates already issued!

The HTML Certificate documents your knowledge of HTML, XHTML, and CSS.

The JavaScript Certificate documents your knowledge of JavaScript and HTML DOM.

The XML Certificate documents your knowledge of XML, XML DOM and XSLT.

The ASP Certificate documents your knowledge of ASP, SQL, and ADO.

The PHP Certificate documents your knowledge of PHP and SQL (MySQL).

Stylus Studio® XML Development Environment

Stylus Studio® 2010 XML Enterprise Suite raises the bar for productivity in XML development tools. Millions of XML developers and data integration specialists turn to Stylus Studio's comprehensive and intuitive XML toolset to tackle today's advanced XML data transformation and aggregation challenges.

XML Pipeline Editor, Debugger and Code Generator DataDirect XML Converters XQuery Mapper, Editor, Debugger, and Profiler XSLT Mapper, Editor, Debugger, Designer, and Profiler Java and C# for .Net Code Generation XML Schema Designer With Documentation Generator XML Editor With Full XPath Integration Download a free trial now