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Joomla!Documentation API Framework Using the CMS

Current releases
5.3 (Upcoming)
5.2 (Current)
5.1 (Archived)
5.0 (Archived)
4.4 (Security)
All versions

Introduction
Get Started
General Concepts
Build Extensions
Accessibility
Security
Common Errors
Testing
About
User Interface Text Guidelines
Changes to the CMS and the API
Web Services API

This is documentation for Joomla! Programmers Documentation 5.1 (Archived), which is no longer actively maintained.

For up-to-date documentation, see the latest version (5.2 (Current)).

Security
Forms & Validations

Version: 5.1 (Archived)

Forms & Validations

See the form validation chapter for further information.

CSRF Protection

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The content is available under the Joomla! EDL license, unless otherwise stated.