Recent changes
Wednesday November 04 2026
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Lesson 3.5: Caches for template developers Updated Markdown page
Learners tell the compiled template cache, the content view cache and cache blocks apart, clear exactly the cache a change needs, and write a cache-block with keys and expiry in a pagelayout part. 45 minutes.
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Lesson 3.4: Finding the template behind a page Updated Markdown page
Learners trace any piece of a page to its template with path comments and the list of used templates, find out why an override does not apply, and check templates with eztemplatecheck before reloading. 45 minutes.
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Lesson 3.2: Override rules in override.ini Updated Markdown page
Learners write an override rule by hand in override.ini with Source, MatchFile, Subdir and Match conditions, put the template in their extension, clear the right caches and check that their file answers. 60 minutes.
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Lesson 3.3: Overrides in the Template Editor Updated Markdown page
Learners create, reorder and remove an override in Design > Template Editor of the admin4 administration, read the settings file it writes, and decide when the click path or the file path fits better. 40 minutes.
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Lesson 3.1: The design chain Updated Markdown page
Learners find the site design of a siteaccess with exp:ini where, follow the chain from the site design through the additional designs to standard, and give their course extension a design folder that joins the chain…
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Module 4: Content classes and datatypes Updated Markdown page
The fourth module of the Developers course. Learners read the content model by identifiers, change how one field looks with a datatype override, read and write content from PHP, and generate a datatype of their own with…
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Lesson 4.4: A datatype of your own Updated Markdown page
Learners read the anatomy of a datatype in the kernel, generate a working datatype extension with the RAD Datatype wizard on their training installation, switch it on and add it to a class. 60 minutes.
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Lesson 4.1: Classes, attributes and identifiers Updated Markdown page
Learners read the content model as a developer, create a small class in Setup > Classes, and list a class's attributes, datatypes and required fields from PHP with eZContentClass. 50 minutes.
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Lesson 4.3: Reading and writing content from PHP Updated Markdown page
Learners read objects, nodes and attributes from PHP, use toString and fromString, and create and update a content object with eZContentFunctions on their training installation. 55 minutes.
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Lesson 4.2: Datatypes and their templates Updated Markdown page
Learners find the view and edit templates of a datatype, show a field with attribute_view_gui, and override the view of one attribute for one class with the attribute_identifier and class_identifier keys. 45 minutes.
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Module 5: Fetch functions Updated Markdown page
The fifth module of the Developers course. Learners fetch nodes and lists, filter, sort and page them, use the fetches of the user, section and relation functions, and write a fetch function of their own. 3 hours 30…
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Lesson 5.4: A fetch function of your own Updated Markdown page
Learners add a module to their extension, describe a fetch function in function_definition.php, write the function collection class that returns its result, register the module and call the new fetch from a template. 60…
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Lesson 5.3: Fetches of other modules Updated Markdown page
Learners find the fetch functions every kernel module offers, use the user, section and relation fetches, check access with has_access_to, and read site data from a template. 40 minutes.
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Lesson 5.1: Fetching nodes and lists Updated Markdown page
Learners read data in templates with fetch, load one node by ID or path, list the children of a node with content list, count them with list_count, and know where each fetch function and its parameters are defined. 45…
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Lesson 5.2: Filters, sorting and paging Updated Markdown page
Learners narrow fetches by class and attribute, fetch a whole subtree with tree and depth, sort by one or several fields, and page a long list with offset, view_parameters and the google navigator. 55 minutes.
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Module 6: Modules and views Updated Markdown page
The sixth module of the Developers course. Learners read module.php files, write a view with parameters and a template, protect it with a policy function granted through a role, and handle a form with actions…
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Lesson 6.2: A view of your own Updated Markdown page
Learners add a view greet to their hello module, with an ordered parameter, a template in the extension's design and a breadcrumb, and open it at its own address. 55 minutes.
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Lesson 6.4: Forms and actions in a view Updated Markdown page
Learners add a form to their view, map its button to an action with single_post_actions, read the posted value with the module's action parameters, validate it, redirect after the post, and see the form token protect…
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Lesson 6.1: How modules and views work Updated Markdown page
Learners read a module.php, map an address to its module, view, ordered and unordered parameters, follow a view to its script or class, and see how the result reaches the pagelayout. 45 minutes.
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Lesson 6.3: Policies for your views Updated Markdown page
Learners declare a policy function in their module, tie the greet view to it, grant it to the Anonymous role in Users > Roles and policies, and check the result with has_access_to; exp:accesscheck explains content…