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An Introduction to Developing eZ Publish Extensions
Most Content Management System requirements can be fulfilled by eZ Publish without any custom PHP coding. But sooner or later experienced eZ Publish implementers get to the point where a project needs some special functionality and it becomes necessary to develop extensions.
This tutorial will help you with the basics of writing extensions using a simple example to illustrate the concepts.
Prerequisites
- An eZ Publish 3.x installation
- Basic understanding of the structure of eZ Publish
- Basic knowledge of PHP, SQL, MySQL and HTML
What will be demonstrated
In this tutorial you will learn how to create and configure a simple extension. It will also show how the eZ Publish framework can be used for development.
Felix Woldt
Felix Woldt studied Informatics at the FH-Stralsund. During his studies and since taking his degree in 2004, he has been involved in eZ Publish and the programming of extensions. Felix is an active member of the German eZ Publish community (http://ezpublish.de) and employed by eZ Partner JAC Systeme (http://www.jac-systeme.de).
Table of content
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After adding the new function_definition.php file (page 9 - Template Fetch Functions) update the extension auto-load array by clicking the "Regenerate autoload arrays for extensions" button in the Admin panel Settings -> Extensions.
The code on page 8 which reads:
-----------------------------------------------
class JACExtensionData extends eZPersistentObject
{
/*!
Konstruktor
*/
function JACExtensionData( $row )
{
$this->eZPersistentObject( $row );
}
/*!
Definition of the data object structure /of the structure of the database table
*/
function definition()
---------------------------------------------
In eZ Publish 4.x should be:
-------------------------------------------
class JACExtensionData extends eZPersistentObject
{
/*!
Konstruktor
*/
function JACExtensionData( $row )
{
$this->eZPersistentObject( $row );
}
/*!
Definition of the data object structure /of the structure of the database table
*/
static function definition()
------------------------------------------------
Then it works!
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